Garbuzova KR1 Option 43
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Product description
Option 43
- What is the solid solution of implantation? Give an example.
- What are the main characteristics of the mechanical properties determined in the test for
Stretching? Describe them.
- 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 3.4% 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 for steel V8. Apply
On it is a curve of the isothermal treatment regime, which provides a hardness of 250 HB.
Specify how this mode is called, what structure is obtained in this case.
- Steel 40 was quenched from 750 and 830 ° C. Using the diagram
State of iron-cementite, indicate the selected heating temperatures and describe
Transformations that occur under two modes of hardening. Which regime should be given
Preference and why?