Garbuzova KR1 Option 12

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Option 12

• How does the degree of purity of the metal or the presence of impurities in the alloy affect the flow

Crystallization process?

• How and why does the dislocation density change during plastic deformation? Influence

Dislocations on the properties of the metal.

• 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 4.5% C. What is the structure of this

Alloy at room temperature and how such an alloy is called?

• Draw a diagram of the isothermal transformation of austenite of eutectoid steel and

Put on it a curve of the isothermal annealing regime. Describe the transformations and the

After such processing the structure, its properties.

• Using the iron-cementite state diagram, determine the temperature of the total and

Incomplete quenching for steel 40. Give a description of the structure and properties of steel after each type

Heat treatment.