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1. Describe the physical nature and mechanism of the crystallization process.
2. What is the purpose of recrystallization annealing? How to assign a mode of this kind
Processing? Give some specific examples.
3. Draw a diagram of the iron-iron carbide state, indicate the structural
Components in all areas of the diagram, describe the transformations and construct a curve
Cooling (using the phase rule) for an alloy containing 0.4% C. What is the structure of this
Alloy at room temperature and how such an alloy is called?
4. Using a diagram of the isothermal transformation of austenite, explain why
It is impossible to obtain a purely martensitic structure in steel when it is cooled at a rate less than
Critical?
5. After the heat treatment of carbon steel, a cementite +
Martensite of tempering. Apply to the state diagram the iron-cementite ordinate of the specified steel
(Approximately) and justify the heating temperature of this steel for quenching. Also indicate the temperature
Describe the transformations that occurred during heat treatment.
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- Added to the site 15.05.2017
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Cumulative discount
200 $ | the discount is 15% |
100 $ | the discount is 10% |
50 $ | the discount is 7% |
20 $ | the discount is 5% |
10 $ | the discount is 3% |
5 $ | the discount is 2% |
1 $ | the discount is 1% |
Amount of purchases from the seller: $
Your discount: %