Secret project. This quest will become available after the construction of an outpost on Eos. Methods of testing for stress corrosion in the atmosphere
A short walkthrough of the quest Discovering the Unseen in Skyrim:
1) Talk to Mirabella.
2) Go to the ruins of Mzulft.
3) Find scientists from the Synod.
4) Get to the Oculatory.
5) Follow Parat.
6) Place the Crystal in the Oculatory.
7) Focus Oculatory.
8) Talk to Parat.
9) Report to Savos Aren.
10) Defend Winterhold
11) Report to the Archmage.
In detail: how to complete this task in Skyrim? The quest Discovery of the Invisible can be taken from Mirabella, a Breton mage who is located at the College of Mages of Winterhold. It was she who gave the player a tour upon joining the College. Mirabella will tell the player that scientists from the Synod organization are looking for a powerful artifact, the Staff of Magnus, and were interested in the Dwemer ruins of Mzulft, where the player will have to go. Behind the main doors of the ruins is the dying Gavros Pliny. He will report that their group was attacked by the Falmer and took away an object called the Focusing Crystal. If the dialogue has not started, then you should leave the ruins and go back. After this, you have to go deeper into the ruins and get to the location Mzulft - Steam Engines, where several opponents and a leveled monster will be waiting for the player. Along the way, you may encounter Falmer and Dwemer mechanisms, such as spheres and spiders.
It is best to completely clear the Mzulft - Steam Engines location and inspect each corpse for the presence of a Focusing Crystal. If you cannot find it, you can use the Detect Life spell and find the lost Falmer with the quest item inside. A little further there will be a room with beds, where you can find the key to the Oculatory. There the player will be met by Parat Decimius, the only surviving scientist from the Synod. After a short dialogue, he will offer to follow him and install the Focusing Crystal in a special place in the Oculatorium, and will also tell you how to focus the rays. If, after installing it, you leave the location and then come back, then there is a possibility that the item will stop responding to the player’s actions, and this bug will make further completion of the quest impossible without using the console.
How to focus the rays during a mission? Not far from the gem there are two spell books: Frostbite and Flame. It's best to take one of them in each hand. Above the Focusing Crystal in the Oculatory there is a dome with noticeable markings in the form of blue circles (lenses). Opposite the Crystal there is a remote control consisting of three buttons. Each button is responsible for the movement of one of the three sections of the dome. A beam of starlight stretches from above. If there are no rays, then you should update the drivers for the video card; in some cases, ALT + TAB will help, as well as restarting the game. By attacking the Focusing Crystal with the Flame and Frostbite spells, you need to bring the rays to the appropriate place and complete the process. It’s easier to first place all the beams in the middle of the corresponding moving panels of the dome, and only then use the remote control. After the Oculatorium is focused, a holograph of a map of Skyrim will appear on the wall, and Parat Decimius will give some explanations of what is happening. The next stage of the quest will be a return to Savos Aren in the College of Mages of Winterhold, where the player will be sent to protect the settlement from magical anomalies (subquest Liquidation of Consequences and after that talk with the Archmage. How to get the mission using the console? If an unaccounted bug has appeared, Discovery of the Invisible in Skyrim, you should use the console:
player.setstage MG06 x
Where MG06 is the quest ID and X is the stage. You need to look at the log, understand at what point in the mission the Dovahkiin stopped and enter the required value. Here is a list of stages and their numerical value for the console.
10 Talk to Mirabella.
20 Find the ruins of Mzulft.
30 Get to the Oculatorium.
32 Find the Focusing Crystal.
35 Return it to Parat.
37 Follow Parat.
40 Place Crystal.
50 Focus Oculatory.
55 Talk to Parat.
60 Report to Savos Aren.
70 Get to Ancano.
99 The beginning of the subquest Elimination of Consequences.
200 Completion of the quest Discovery of the Invisible.
For example, if you enter “player.setstage MG06 50” into the console, the game will consider the device focused, and if instead of the value “50” you enter “200”, then the quest will be considered completed.
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Job type: Tasks in Elea: Eos
Required conditions: go to Eos; restore power supply at Site 1: Nadezhda
Starting location: Eos
Explore Object 1: Hope
Object 1: Hope
There are two ways to start this mission. If you are a real researcher, you will most likely find and read the data block (1) on Object 1: Hope before moving on to Object 2: Resilience.
Explore Object 2: Fortitude
On Object 2: Fortitude (2) You'll find that the original team of colonists on Eos tried to complete a research project that would help them fight the kett, but they didn't finish it before the kett attacked. To prevent the information from falling into the hands of the enemy, the engineers dismantled the project and hid the parts. Find these parts of the project and return them to Object 2. This way you can get scientific data that can later be used for crafting.
Enter the first floor of this building (3) . SAM will inform you that the doors were locked from the outside to keep something locked inside. The console in the first room does not give access to the locked room inside. Enter the next room and follow the nav point to the power terminal. Activate it to unlock the nearby door. Several doors open, freeing the Demon.
Defeat the kett
In addition to freeing the Demon, SAM reports that a force of kett is currently heading towards you. We suggest leaving the building, finding the creature and scanning it before it is destroyed (the Demon disintegrates after killing it, making scanning impossible). Climb to the roof to gain an advantage. Use your radar to track down the kett soldiers. Deal with them first, and then take on the Demon.
When you're ready to deal with the Demon, have your teammates attack it as well. After the fight, make sure there are no enemies left by checking the red dots on your radar, and then start looking for project components.
Find details of the secret project at Site 2
Enter the second floor of this building (3) and check the console on the right side of the room. You will find "Special Project Sigma" scheme, but details are missing. Now you must find the components. The closest one is in the next room.
Find three components
First component
In a buiding (4) with the console containing the schematics for the secret project, enter the back room and find the first component (5) on the floor.
Second component
Find the second one on the south side of the lake next to Object 2: Fortitude. Component (6) located between two parts of a broken shuttle by the lake.
Third component
Kett Research Center
The final component is located in the kett research center (7) , where you first meet Drac.
Scan Research Project
Object 2: Fortitude
Return to Object 2: Fortitude (2) and go to the same group of living modules where you found the research and the first component. This time enter the building (8) to find the project you need to scan.
Look for the tall structure on the right side of the room. Scan it to get scientific data. The quest is complete and you've just increased your Eos Perspective a bit.
GOST 9.909-86
(ST SEV 4199-83,
ST SEV 4200-83)
Group T99
STATE STANDARD OF THE USSR UNION
Unified system of protection against corrosion and aging
METALS, ALLOYS, COATINGS
METALLIC AND NON-METALLIC
INORGANIC
Climatic test methods
testing stations
Unified system of corrosion and aging protection.
Metals, alloys, metal and non-metal inorganic coatings.
Test methods at climatic test stations
OKSTU 0009
Date of introduction 1987-07-01
ENTERED INTO EFFECT by resolution of the USSR State Committee on Standards dated July 29, 1986 N 2286
INSTEAD GOST 17332-71
This standard applies to metals, alloys, metallic and non-metallic inorganic coatings (hereinafter referred to as samples) and establishes methods for testing them at climatic testing stations (hereinafter referred to as stations).
General requirements for testing are in accordance with GOST 9.905-82.
The standard complies with ST SEV 4200-83 for testing samples in atmospheric conditions and ST SEV 4199-83 for testing in sea water.
1. TEST METHOD FOR ATMOSPHERIC CORROSION
1.1. The essence of the method is to expose samples to atmospheric conditions at stations with subsequent assessment of their corrosion resistance.
1.2. Sampling
1.2.1. Requirements for the shape, size and number of samples are in accordance with GOST 9.905-82.
The main types of samples are plates with an area of 150x100 mm and a thickness of 0.5-3.0 mm.
It is allowed to use samples in the form of rods, wires, product units, etc.
Samples for testing welded and soldered joints are made in accordance with GOST 6996-66.
1.2.2. The surface of the samples should be free of grease, corrosion, scale, rolled inhomogeneities, delaminations, cracks, pores, cavities, and mechanical damage.
The condition of the sample surface must be specified in the test program.
1.2.3. The duration of testing samples of metals and alloys is at least 3 years, samples with coatings are at least 2 years.
In technically justified cases, a shorter test period is established in the test program.
The frequency of inspection of samples is established by the test program.
1.2.4. Within the prescribed period, five samples from each option are removed from testing. When testing large-sized products, samples made from scarce and expensive materials, three samples are taken.
A variant is taken to be a set of samples made from the same metal or alloy and having the same coating applied using the same technological process.
1.2.5. From each option, control samples must be stored during the entire exposure period in the quantity established by the test program.
1.2.6. Control samples are stored in one of the following ways:
indoors with a non-aggressive atmosphere at temperatures from 15 to 30 ° C and relative air humidity up to 65%;
in a plastic bag closed with a bend;
in a sealed plastic bag;
in a closed plastic bag using a non-corrosive-aggressive desiccant (hereinafter referred to as the desiccant);
in a desiccator with a relative humidity of up to 50%, which is provided by a desiccant, for example, silica gel.
The storage method is chosen depending on the resistance of the samples to atmospheric influences.
To store samples for more than 1 month, storage methods in a closed plastic bag or in a desiccator are used.
1.2.7. When testing metals subject to natural aging, control samples are retained to assess changes in mechanical properties.
1.2.8. Comparison samples are samples with known corrosion resistance under given conditions, for example, samples made of low-carbon steel.
Comparison samples are exposed together with test samples.
1.2.9. Markings are applied to the front side of each sample. In the upper left corner of flat samples the serial number of the variant according to the inventory is indicated and in the upper right corner - the serial number of the sample. Samples of the same variant must have serial numbers, starting from the first. The inventory form is given in recommended Appendix 1.
Markings must be clear and not erased during testing.
1.2.10. The samples for the station are assembled as follows: each sample is placed in an envelope on which the name of the station, the full marking of the sample, and the start and end dates of the tests are indicated.
All samples of one option are placed in a common polyethylene case, a desiccant is placed in it and welded.
An inventory and test program must be attached to each sample option.
1.2.11. The number of samples is in accordance with the test program.
1.3. Equipment
Stations according to GOST 9.906-83.
1.4. Preparation for testing
1.4.1. Before testing, samples are degreased with organic solvents. The use of chlorine-containing solvents is not permitted.
After degreasing, it is allowed to take samples only by the ends with hands wearing cotton gloves.
1.4.2. Before installation for testing, samples are inspected.
1.4.3. Inspection of samples, the corrosion resistance of which is assessed by changes in appearance, is carried out for compliance with the requirements of clause 1.2.2, and the color, surface gloss, presence and location of permissible defects are noted.
To determine the location of defects, a wire mesh or transparent material with a mesh applied to it is placed on the sample, which divides the surface of the sample into squares with a side of 5 mm.
The grid squares must be numbered.
1.4.4. The inspection results are recorded separately for the front and back of each sample. The form for recording test results is given in recommended Appendix 2.
1.4.5. Test samples and comparison samples, the corrosion behavior of which is assessed by weight loss, after degreasing, are kept in a desiccator with a desiccant, for example, silica gel, for at least 24 hours and samples weighing up to 200 g are weighed with an error of no more than 0.0001 g, and over 200 g - with an error of no more than 0.01 g.
The weighing results are placed in the form given in the recommended Appendix 3.
1.4.6. For samples whose corrosion resistance is assessed by changes in electrical properties, the initial cross-section is measured with an error of no more than 0.1 mm.
1.4.7. Samples prepared for testing are stored for no more than 1 month in accordance with the requirements of clause 1.2.6.
1.5. Testing
1.5.1. Testing of samples at stations is carried out in accordance with the test program, reflecting the specific requirements for the material being tested.
1.5.2. The choice of stations and the conditions for placing samples on them must correspond to the expected operating conditions of the products, parts or assemblies in which the tested materials and coatings will be used.
1.5.3. The test samples and comparison samples are installed outdoors (in a louvred storage facility, a louvered booth or under a canopy) at an angle of 45° to the horizontal; tilt angles of 30° and 90° are allowed.
The marked faces of specimens should face up, towards the south in the northern hemisphere and towards the north in the southern hemisphere. The short side of the samples should be parallel to the base of the stand.
1.5.4. Test samples and comparison samples are mounted on frames and stands on insulators, for example, porcelain. It is allowed to hang samples on slats.
1.5.5. At each station, a plan for the location of samples is drawn up.
The plan indicates the numbers of stands or racks, frames on the stands and the number of the place of each sample of a given option on the frame.
1.5.6. The samples are placed in such a way that the test surface is exposed to the atmosphere, unless materials or protective coatings are tested in inaccessible or closed parts of the products.
1.5.7. Specimens shall not come into contact with material that could influence their failure unless the purpose of the test is to verify this influence.
1.5.8. The horizontal distance between samples on stands must be at least 20 mm, and vertically - at least 10 mm.
Samples on stands must be located at a distance of at least 500 mm from the ground surface.
The distance between the test surfaces of adjacent samples on the stand must be at least 50 mm.
The samples must be located at a distance of at least 500 mm from the roof of the canopy, unless otherwise specified by the test program.
In a louvred storage facility, the distance of samples from the walls, floor and roof must be at least 500 mm.
1.6. Processing of test results - according to GOST 9.908-85.
2. TESTING METHODS FOR STRESS CORROSION IN THE ATMOSPHERE
2.1. The essence of the methods is to expose samples under conditions that combine the influence of climatic factors and external tensile stresses.
2.2. Permanent strain test method
2.2.1. Sampling - according to clauses 1.2.2-1.2.11.
Flat and ring samples are used for testing. It is allowed to use samples in the form of loops.
2.2.2. Equipment - according to clause 1.3.
A clamp for creating tensile stress in flat samples with a thickness of no more than 10 mm by bending them. When making a metal bracket, electrical insulating gaskets are placed between the sample and the supports of the bracket and liner. The design of the bracket is given in recommended Appendix 4.
A tie rod passing through diametrically opposite holes in the samples to create tensile stress in the annular samples by compressing them. The design of the stud is given in recommended Appendix 4.
2.2.3. Preparation for testing - according to clause 1.4.
In this case, for flat samples, the deflection arrow (), mm, is calculated using the formula
where is stress under load, MPa;
Modulus of elasticity, MPa;
- sample thickness, mm;
and - the distance between the supports of the bracket and the liner, mm.
For ring samples, the amount of deformation (), mm, is calculated using the formula
where is the initial outer diameter of the ring, mm;
Ring thickness, mm.
The value () in formulas (1) and (2) in MPa is calculated using the formula
Where ;
( - tensile yield strength of the tested material, MPa;
- coefficient showing the ratio of the specified stresses to the yield strength of the material).
2.2.4. Carrying out tests - according to clause 1.5.
In this case, the samples are placed on stands in such a way that the surface under tensile stress faces upward.
Testing of samples is carried out at a stress equal to 0.9 of the yield strength of the metal being tested.
At a high rate of destruction of samples, tests are repeated at several stress levels sufficient to construct a characteristic curve (time to failure - stress). When testing welded samples, the construction of characteristic curves is mandatory.
When testing welded samples, the voltage is selected depending on the yield strength of the base metal, and when welding dissimilar metals - on the yield strength of the less durable metal. If the tensile strength of the welded joint is less than the yield strength of the metals being welded, the voltage is selected based on the strength of the welded joint. Flat welded samples are tested without removal and (or) with removal of force from both the front and back sides.
During testing, the samples are periodically overloaded (the sample is completely unloaded and reloaded in accordance with the initial calculation of the deformation value). Samples are reloaded after 3, 6, 12 months and then once a year.
2.2.5. Processing test results
Resistance to stress corrosion is assessed by the arithmetic average of the time until cracks appear or before failure of the samples.
If more than half of the samples tested in parallel did not undergo cracking or destruction, the tests are repeated and the arithmetic mean time value calculated from all time values for cracked or destroyed samples is taken as the criterion. In this case, it is indicated that the time before the appearance of cracks or destruction of the tested metal or alloy is greater than the calculated arithmetic mean value for all cracked or destroyed samples.
In the absence of destruction of the samples, to establish the effect of mechanical load on the corrosion rate, determine the percentage change in the tensile strength () of the test metal compared to the original one using the formula
where is the tensile strength before testing, MPa;
Ultimate strength after testing, MPa.
In addition to the specified assessment, the corrosion resistance of the samples is determined according to GOST 9.908-85.
2.3. Test method for constant axial tensile load
2.3.1. Sampling - according to clauses 1.2.2-1.2.11.
In this case, samples of rectangular or circular cross-section are used. The shape and dimensions of the samples are given in recommended Appendix 4.
2.3.2. Equipment - according to clause 1.3.
Special installations of spring or lever design for loading samples.
2.3.3. Preparation for testing - according to clause 2.2.3.
2.3.4. Carrying out tests - according to clause 2.2.4.
In this case, samples are tested at a stress equal to 0.75 of the yield strength of the metal being tested.
2.3.5. Processing of test results - according to clause 2.2.5.
3. TEST METHOD FOR CONTACT CORROSION IN THE ATMOSPHERE
3.1. The essence of the method is to expose samples under conditions in which the occurrence of the corrosion process depends not only on the influence of climatic factors, but also on the contact of electrochemically dissimilar metals.
3.2. Sampling
3.2.1. The test samples are stacks of flat plates in which one plate of metal (coated metal) can act as an anode and two plates of another metal (coated metal) as a cathode, thereby creating an electrochemical cell in the presence of an electrolyte. The ratio of the areas of the anode and cathode plates is established in the test program.
Comparison samples are anode plates exposed separately.
Control samples - according to clause 1.2.5.
Package designs are given in recommended Appendix 5.
3.2.2. The thickness of the anode plates should be no more than 6 mm, and the length should be the same as in the tensile test according to GOST 1497-84.
The thickness of the cathode plates is from 1 to 6 mm. When testing precious metals, the cathode plate can be made by applying a foil of the precious metal to a plate of inert material, such as plastic. The thickness of the plate must be at least 1 mm.
During testing, contact between the cathode and anode plates must be ensured.
If the polarity of the metals composing the test sample is unknown, each metal (coated metal) should be tested in one set of samples as an anode, in another set as a cathode.
The gaps and slots between the anode and cathode plates should be no more than 0.02 mm. When assembling the test sample, the moment of force when screwing the nuts of the bolts must be more than 5.0 N m.
3.2.3. The material, dimensions, cutting direction, surface treatment method and other parameters of the anode plates of the test samples, comparison samples and control samples must be the same.
When testing “metal-to-metal with coating” contact, only the anode plates are allowed to have broken or missing coatings at the ends.
3.2.4. Resistance to contact corrosion according to all criteria, except weight loss, is assessed on samples, the dimensions of which are given in the recommended Appendix 5 (Figure 1).
Resistance to contact corrosion according to all criteria, except for changes in mechanical properties, is assessed on samples, the dimensions of which are given in the recommended Appendix 5 (Figure 2).
3.2.5. Marking and packaging of samples - according to clauses 1.2.10 and 1.2.11.
3.2.6. Gaskets and bushings must ensure that the bolts are isolated from the metal plates and that the metal plates are pressed tightly during the entire test period. It is recommended to use ceramic or other insulating materials that are not subject to destruction during the entire test period as gaskets for bolts; polyethylene and polypropylene for bushings.
Metal bolts and washers must be made of stainless steel grade 12Х18Н9Т (type 18-8) or steel with a higher chromium content.
3.2.7. The number of test samples, comparison samples and control samples - according to clause 1.2.11.
3.3. Equipment - according to clause 1.3.
3.4. Preparation for testing - according to clause 1.4.
When preparing samples for testing, to prevent crevice corrosion, a thin layer of organic coating (varnish or glue, for example, cellulose acetate dissolved in acetone) is applied to the ends of the bags. This coating should be applied to the grease-free, dry surface of the anode plate in such a way as to completely close the gap between the anode and cathode plates without overlapping the surface of the cathode plate. The coating thickness should be no more than 10 microns. To create contact between the metal plates in the assembled state, the coating must not cover the surface adjacent to the bolt holes.
The transition resistance between the cathode and anode plates must be constant throughout the test.
3.5. Testing
3.5.1. The test samples and comparison samples are installed according to clause 1.5.3 and secured according to clause 1.5.4.
3.5.2. Duration of tests - according to clause 1.2.3.
3.6. Processing of test results - according to clause 1.6.
3.6.1. The corrosion rate of the test samples (), g/m year, is calculated using the formula
where is the mass loss of the anode plate of the test sample, g;
Total surface area of the anode plate, m;
- surface area of contact with one cathode plate, m;
- duration of testing, year.
3.6.2. The corrosion rate of comparison samples (), g/m year, is calculated using the formula
where is the weight loss of the reference sample, g;
Total surface area of the comparison sample, m.
3.6.3. The mass loss of the anode plate or comparison sample (), g, is calculated using the formula
where is the mass of the sample before testing, g;
Weight of the sample after testing and removal of corrosion products, g.
3.6.4. Resistance to contact corrosion is determined by the corrosion enhancement index equal to the difference in corrosion rates of the test sample and the comparison sample.
4. TEST METHOD FOR CREVICE CORROSION IN THE ATMOSPHERE
4.1. The essence of the method is to expose samples under conditions under which it is possible to study the influence of climatic factors on the occurrence of corrosion processes in cracks and gaps between similar metals and between metal and non-metal.
4.2. Sampling - according to clause 1.2.1.
4.2.1. The tested samples are packs of flat plates, the designs of which are given in recommended Appendix 6.
In parallel, three packages of plates with the same gap size in the slot are tested for samples of types 1 and 2. The gap in the slot is from 0.01 to 1.0 mm.
For type 3 samples, the maximum gap in the slot should be 5 mm.
It is allowed to use other package designs depending on the specific requirements for the products.
4.2.2. Samples collected in a package must meet the requirements of clause 1.2.2.
4.2.3. Comparison samples - packages - according to clause 4.2.1, made of low-carbon steel, control samples - according to clause 1.2.5.
4.3. Equipment - according to clause 1.3.
4.4. Preparation for testing - according to clause 1.4.
4.5. Carrying out tests - according to clause 1.5. In this case, the duration of the tests is according to clause 1.2.3.
4.6. Processing test results
4.6.1. The packages removed from testing are inspected, the presence or absence of corrosion products and foci of corrosion in cracks or gaps is recorded, and the predominant type of corrosion destruction is determined. At the end of the inspection, the bags are disassembled and the samples are stored in a desiccator until weighed.
4.6.2. The test results of samples from packages of types 1 and 3 are assessed by the change in mass. Moreover, using samples from packages of type 3, the length of the crevice corrosion zone and the size of the gap in the crevice corresponding to the maximum depth of corrosion damage are determined.
4.6.3. The test results of samples from bags of type 2 are assessed by the change in the breaking load during a tensile test.
5. TEST METHOD IN SEA WATER
5.1. The essence of the method is to expose samples to sea water with subsequent assessment of their corrosion resistance.
5.2. Sampling - according to clause 1.2.1, control samples - according to clause 1.2.5, comparison samples - according to clause 1.2.8.
5.2.1. The thickness of the test specimens is selected depending on the type of material, duration of testing and expected corrosion damage.
Recommended thickness of zinc samples is 6.5 mm; low-carbon non-alloy steel - 3.0 mm; alloy steel - 2.0 mm; copper, brass and aluminum - 1.5 mm. The geometric dimensions of the samples are measured with an error of no more than 0.1 mm.
5.3. Equipment - according to clause 1.3.
5.4. Preparation for testing - according to clause 1.4.
5.5. Testing
5.5.1. The test program must contain data on the beginning and end of the tests, immersion depth, meteorological data for the station area, and, if necessary, the content of ammonia, hydrogen sulfide, carbon dioxide in the atmosphere and seawater.
Control of parameters of climatic factors - according to GOST 9.906-83.
5.5.2. The samples are fixed on frames according to clauses 1.5.4-1.5.8.
5.6. Processing test results
5.6.1. Samples are periodically removed for inspection and evaluation according to the test program. For each sample, a report card is maintained in accordance with recommended appendices 1-3.
5.6.2. Marine fouling is removed from the removed samples using wooden or plastic devices (scrapers, etc.) so that no scratches remain on the samples. If it is necessary to preserve marine fouling, methods for its removal and preservation must be specified in the test program.
5.6.3. The test results are processed according to clause 1.6.
6. TEST METHOD FOR CONTACT CORROSION IN SEA WATER
6.1. The essence of the method is to expose samples under conditions in which the occurrence of the corrosion process depends not only on the influence of sea water, but also on the contact of electrochemically dissimilar metals.
6.2. Sampling - according to clause 3.2.
In this case, it is necessary to maintain the ratio of the cathode area to the anode area of 1:10, 1:1, 10:1.
6.3. Equipment - according to clause 1.3.
6.4. Preparation for testing - according to clause 3.4.
6.5. Carrying out tests - according to clause 3.5.
In this case, tests of samples with the ratio of the cathode area to the anode area according to clause 6.2 are carried out in parallel.
6.6. Processing of test results - according to clause 1.6.
7. TEST METHOD FOR CREVICE CORROSION IN SEA WATER
7.1. The essence of the method is to expose samples under conditions under which it is possible to study the effect of sea water on the occurrence of corrosion processes in cracks and gaps between similar metals or between metal and non-metal.
7.2. Sampling - according to clause 4.2.
In this case, the gap in the slot is set from 0.01 to 3.0 mm.
7.3. Equipment - according to clause 1.3.
7.4. Preparation for testing - according to clause 1.4.
7.5. Carrying out tests - according to clause 4.5.
7.6. Processing of test results - according to clause 4.6.
Form 01
organizations | Subjects | |||||||||||||||
tests at a climate station | ||||||||||||||||
in accommodation conditions | ||||||||||||||||
Test duration | ||||||||||||||||
calendar testing dates | ||||||||||||||||
Option number | Number of samples, pcs. | Sample marking | Material grade according to OKP | Sample size, | Surface condition | Type of coating, average thickness |
APPENDIX 2 (recommended). Form 02. RESULTS OF PRELIMINARY INSPECTION OF SAMPLES
Form 02
Sample marking | Sample side appearance |
|
facial | negotiable |
|
Sample marking | Continue | Sample dimensions, mm | Sample surface area, , | Sample mass before testing, , g | Weight of sample with corrosion products, , g | Sample mass after removal of corrosion products, , g | Mass loss, , g |
APPENDIX 4 (recommended). DEVICES AND SAMPLES FOR STRESS CORROSION TESTS
1. Devices for testing at a given deformation
Bracket (for flat samples)
1 - bracket; 2 - hairpin; 3 - liner; 4 - sample
Stud (for ring specimens and pipes)
1 - hairpin; 2 - nut; 3 - gasket; 4 - sample
2. Shape and dimensions of samples for testing under constant axial load
Circular sample
Rectangular section sample
APPENDIX 5 (recommended). CONTACT CORROSION TEST PACKAGES
Type 1
1 - anode plate; 2 - cathode plate; 3 - polished section; 4 - sample tested for tension; 5 - bolt 8x40 mm;
6 - washer 1 mm thick, 16 mm in diameter; 7 - insulating washer 1-3 mm thick, 18-20 mm in diameter;
8 - insulating sleeve; 9 - nut
Type 2
1 - anode plate; 2 - cathode plate; 3 - bolt 8x40 mm; 4 - washer 1 mm thick, 16 mm in diameter; 5 - insulating washer 1-3 mm thick, 18-20 mm in diameter; 6 - insulating sleeve; 7 - nut; 8 - polished section
Damn.1
Package for testing corrosion in cracks and gaps between metal and non-metal
Type 1
1 - rod; 2 - sample; 3 - organic glass cover;
4 - plexiglass screw
Packages for testing corrosion in cracks and gaps between metals
Damn.2
Type 2
1 - metal sample; 2 - metal plate
Damn.3
Type 3
1 - washer made of organic glass; 2 - bolt; 3 - organic glass sleeve;
4 and 5 - metal samples; 6 - organic glass gasket; 7 - nut
The text of the document is verified according to:
official publication
Corrosion protection. Part 4.
General requirements and methods
full-scale tests: Sat. GOST. -
M.: Standards Publishing House, 1993
June 18, 2017 0:33
In Prey, players as Morgan Yu will have ample opportunity to develop their character in ways that suit their playstyle. In particular, Morgan will be able to have various abilities that can be instilled with the help of a neuromod. Skills are divided into human abilities and typhon abilities. Study the list below and estimate what abilities your character will have.
Morgan Yu's human abilities in Prey
At the beginning of the game, only human abilities are available, related to the talents that Morgan already has, but you can improve them several times, for example, to shoot more accurately, run faster or jump higher, repair objects or hack computers. They are divided into three trees: the scientist tree, the engineer tree and the guard tree.
Scientist's tree
The Scientist tree allows you to use knowledge in the fields of science and medicine, as well as specialized laboratory equipment, as an advantage over your enemies.
Therapist
Acceleration of metabolism
Autopsy
Hacker
| Rank | Description | Requirements | |
|---|---|---|---|
| I | Allows you to bypass the protection of computers and robotic systems of the 1st level. | 1 neuromod | |
| II | Allows you to bypass Level 2 protection of computers and robotic systems. | 4 neuromods Hacker I |
|
| III | Allows you to bypass Level 3 protection of computers and robotic systems. | 6 neuromods Hacker II |
|
| IV | Allows you to bypass Level 4 protection of computers and robotic systems. | 8 neuromods Hacker III |
Psionic Skill
| Rank | Description | Requirements | |
|---|---|---|---|
| I | Your psi energy reserve increases to 150 units. | 2 neuromods | |
| II | Your psi energy reserve increases to 200 units. | 3 neuromods Psionic Skill I |
|
| III | Your psi energy reserve increases to 250 units. | 5 neuromods Psionic Skill II |
Neurostimulator
Psychotronics
Engineer tree
The Engineer tree includes abilities that allow you to modify equipment, repair equipment, and fix problems with a wrench.
Climb
| Rank | Description | Requirements | |
|---|---|---|---|
| I | Allows you to lift weights and increases your throwing range. Throwing objects damage enemies. | 1 neuromod | |
| II | Gives you the ability to lift even heavier objects and further increases your throw range. Throwing objects damage enemies. | 4 neuromods Rise I |
|
| III | Makes it possible to lift anything that is not nailed to the floor, and further increases the throwing range. Using brute force, you can open a door that is not equipped with an electric drive. | 6 neuromods Rise II |
Repair
Gunsmith
Suit modification
Disassembly
Laboratory assistant
Accurate strike
Crush
Guardian Tree
The Guard tree allows you to improve your physical attributes, firearms skills, and tactical prowess.
Shooter
Adaptation
Durability
Endurance
Mobility
Combat concentration
| Rank | Description | Requirements | |
|---|---|---|---|
| I | You enter a state of combat focus for 10 seconds, slowing down time around you. Your actions cost 50% less stamina. | 2 neuromods | |
| II | The duration of combat concentration increases to 12 seconds. Time moves slower for your opponents than for you. Your attacks deal 110% more damage and your actions cost 25% less stamina. | 5 neuromods Combat Concentration I |
|
| III | The duration of combat concentration increases to 15 seconds. Time slows down around you, but you move as usual. Your attacks deal 125% more damage and your actions cost no stamina. | 8 neuromods Combat Concentration II |
Stealth
Ambush attack
| Rank | Description | Requirements | |
|---|---|---|---|
| I | Sneak attacks deal 200% normal damage to enemies. | 4 neuromods Stealth I |
|
| II | Sneak attacks deal 250% normal damage to enemies. | 6 neuromods Ambush I |
Alien abilities from Morgan Yu in Prey
The Transstar Corporation, studying the Typhons, found a way to implant their abilities into humans. Therefore, Morgan Yu has the opportunity to develop not only human abilities, but also alien abilities. Of course, you take a risk by giving yourself these incredible skills. The more you acquire, the closer you become to the Typhon species - the station’s turrets will begin to mistake you for an enemy, and over time, a huge Typhon nightmare may hunt you down. Here you make your own choice, because the abilities of the Typhons in many ways make the game more interesting, and in some cases easier to complete.
Video showing some alien abilities
Typhon abilities are not available at the very beginning of the game. Only after you discover the psychoscope will you have the opportunity to study them. The psychoscope allows you to scan nearby enemies, showing their vulnerabilities and immunities to various types of attacks. By scanning typhons, you unlock new abilities that can be obtained by installing neuromods.
The Typhon abilities that Morgan Yu can develop are divided into three trees: the energy tree, the transformation tree and the telepathy tree.
Tree of Energy
The powers of the Energy Tree give you the ability to control electricity, fire, and kinetic energy.
Kinetic Explosion
| Rank | Description | Requirements | Typhons for scanning | |
|---|---|---|---|---|
| I | The explosion deals up to 50 points of damage and throws back everything within a 5-meter radius of the epicenter of the explosion. | 3 neuromods | Cystoids Phantom Telepath Nightmare |
|
 |
II | The explosion deals up to 75 points of damage and throws back everything within a 6-meter radius of the epicenter of the explosion. | 5 neuromods Kinetic Explosion I |
Phantom Telepath Nightmare |
| III | The explosion deals up to 100 points of damage and throws back everything within a 7-meter radius from the epicenter of the explosion. | 5 neuromods Kinetic Blast II |
Telepath Nightmare |
Lifting field
Electrostatic explosion
| Rank | Description | Requirements | Typhons for scanning | |
|---|---|---|---|---|
| I | An electrostatic explosion with a radius of 3 meters causes up to 25 points of damage, disrupts the functioning of electronics and disables robots for 3 seconds. The explosion stuns organic targets for 2 seconds. | 3 neuromods | Electrophantom Technopath |
|
| II | An electrostatic explosion with a radius of 4 meters causes up to 40 points of damage, disrupts the functioning of electronics and disables robots for 6 seconds. The explosion stuns organic targets for 4 seconds. | 5 neuromods Electrostatic explosion I |
Electrophantom Technopath |
|
| III | An electrostatic explosion with a radius of 5 meters causes up to 55 damage, disrupts the functioning of electronics and disables robots for 9 seconds. The explosion stuns organic targets for 6 seconds. | 5 neuromods Electrostatic Explosion II |
Electrophantom Technopath |
Electrical protection
Absorption of electricity
Superplasma
| Rank | Description | Requirements | Typhons for scanning | |
|---|---|---|---|---|
 |
I | Creates a trap with superheated plasma; when triggered, it deals up to 75 points of fire damage within a radius of 3.5 meters and sets organic targets on fire for several seconds. | 3 neuromods | Thermophantom |
 |
II | Creates 2 traps with superheated plasma, which, when triggered, cause up to 100 units of fire damage within a radius of 4.5 meters and set organic targets on fire for several seconds. | 5 neuromods Superplasma I |
Thermophantom |
| III | Creates 3 traps with superheated plasma, which, when triggered, cause up to 125 points of fire damage within a radius of 5.5 meters and set organic targets on fire for several seconds. | 5 neuromods Superplasma II |
Thermophantom |
Fire protection
Heat Absorption
Transformation tree
The abilities of the Transformation Tree allow you to manipulate the psychoactive ether to change your appearance and deceive your enemies.
Mimicry
| Rank | Description | Requirements | Typhons for scanning | |
|---|---|---|---|---|
 |
I | You camouflage yourself by taking on the shape of a nearby object. This consumes 2 psi units per second. | 2 neuromods | Mimic Supreme Mimic |
 |
II | You camouflage yourself by taking on the shape of a nearby object. Mechanism forms are available - for example, turrets. This consumes 2 psi units per second. | 4 neuromods Mimicry I |
Mimic Supreme Mimic |
 |
III | You camouflage yourself by taking on the shape of a nearby object. Forms of complex mechanisms—for example, operators—are available. This consumes 2 psi units per second. | 5 neuromods Mimicry II |
Mimic Supreme Mimic |
Regeneration
Phantom shift
| Rank | Description | Requirements | Typhons for scanning | |
|---|---|---|---|---|
 |
I | You quickly move up to 6 meters. At the point where you were, your double remains, which will distract enemies for 4 seconds. | 2 neuromods | Ethereal Phantom |
 |
II | You quickly move up to 12 meters. At the point where you were, your double remains, which will distract enemies for 8 seconds. | 4 neuromods Phantom shift I |
Ethereal Phantom |
Ether protection
Ether Absorption
Birth of a phantom
Tree of Telepathy
The abilities of the telepathy tree allow you to use your mind as a weapon or control devices and objects from a distance.
Parry
| Rank | Description | Requirements | Typhons for scanning | |
|---|---|---|---|---|
 |
I | Creates a shield that lasts for 20 seconds. It neutralizes damage from the next attack. Organic enemies attacking the shield are knocked back. | 3 neuromods | Weaver Nightmare |
| II | Creates a shield that lasts for 20 seconds. It neutralizes damage from the next two attacks. Organic enemies attacking the shield are knocked back. | 5 neuromods Parry I |
Weaver Nightmare |
|
 |
III | Creates a shield that lasts for 20 seconds. It neutralizes damage from the next three attacks. Organic enemies attacking the shield are knocked back. | 8 neuromods Parry II |
Weaver Nightmare |
Protection from fear
Psychoshock
| Rank | Description | Requirements | Typhons for scanning | |
|---|---|---|---|---|
| I | A direct psi attack deals 45 damage to biological targets; in addition, their psionic abilities are neutralized for 10 seconds. | 3 neuromods | Telepath Controlled Man |
|
 |
II | A direct psi attack deals 65 damage to biological targets; in addition, their psionic abilities are neutralized for 15 seconds. | 5 neuromods Psycho Shock I |
Telepath |
| III | A direct psi attack deals 90 damage to biological targets; in addition, their psionic abilities are neutralized for 20 seconds. | 5 neuromods Psycho Shock II |
Telepath |
Mind Hacking
| Rank | Description | Requirements | Typhons for scanning | |
|---|---|---|---|---|
| I | Living enemies fight on your side for 20 seconds. In addition, people are getting out of the control of typhons. | 2 neuromods Psycho Shock I |
Telepath Controlled Man |
|
| II | Living enemies fight on your side for 40 seconds. In addition, people are getting out of the control of typhons. | 4 neuromods Mind Hacking I |
Telepath | |
 |
III | Living enemies fight on your side for 60 seconds. In addition, people are getting out of the control of typhons. | 6 neuromods Mind Hacking II |
Telepath |
Telekinesis
| Rank | Description | Requirements | Typhons for scanning | |
|---|---|---|---|---|
 |
I | With the power of thought, you can move objects and interact with devices within a radius of 10 meters. | 2 neuromods | Poltergeist Technopath Infected Operator |
 |
II | With the power of thought, you can move objects and interact with devices within a radius of 20 meters. | 3 neuromods Telekinesis I |
Poltergeist Technopath |
 |
III | With the power of thought, you can move objects and interact with devices within a radius of 30 meters. | 5 neuromods Telekinesis II |
Technopath |
Machine Master
| Rank | Description | Requirements | Typhons for scanning | |
|---|---|---|---|---|
| I | Enemy robots stop attacking you and fight on your side for 30 seconds. | 2 neuromods Telekinesis I |
Technopath Infected Operator |
|
 |
II | Enemy robots stop attacking you and fight on your side for 60 seconds. | 3 neuromods Machine Master I |
Technopath |
 |
III | Enemy robots stop attacking you and fight on your side for 90 seconds. | 5 neuromods Machine Master II |
Technopath |
We hope this article was useful to you! Share in the comments which abilities are your favorite and which combination of them is the most effective.
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