Distinguish between plastic deformation and clastic deformation. Describe the me

Question

Distinguish between plastic deformation and clastic deformation. Describe the mechanism of slip that enables a metal to be plastically deformed without fracture. Give three slip systems of a metal that has an fee crystal structure. What engineering properties can be determined by a tensile test? The following engineering stress-train test data were obtained for a 0.2% C plain-carbon steel, Plot the engineering stress-train diagram using a computer software for graph drawing (such as excel), Determine the ultimate tensile strength of the steel, Determine the Young's modulus, yield strength of the steel, Determine the percent elongation at fracture. If the data in the table given in problem 5 is from a test of a single crystal of a metal which has an fee crystal structure. The loading (force) direction is along the [001] direction of the crystal. Determine the critical resolved shear stress of this fee metal. The critical resolved shear stress is the resolved shear stress at the point of yield, i.e., the corresponding stress is the yield strength obtained in tensile test. In problem 6, if the loading direction is along the [012] direction, what is the critical resolved shear stress of this material? Provide 5 engineering practices that can be used to increase the strength of a metal.

Explanation / Answer

1.

Difference between Elastic and plastic deformation:

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