A zinc crystal is strained to point A, unloaded, and then reloaded in the direction opposite to the original slip direction:

Question

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NA

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What is the reason for the drop in shear stress when loaded in the opposite direction?

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Back stress

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Strain hardening

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Increase in the number of slip system

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Slip plane reorientation

1.	A zinc crystal is strained to point A, unloaded, and then reloaded in the direction opposite to the original slip direction:
A.	What is the reason for the drop in shear stress when loaded in the opposite direction?
B.	Back stress
C.	Strain hardening
D.	Increase in the number of slip system
E.	Slip plane reorientation
Answer» B.

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