If the data in the diagram given in problem 6-9 is from a test of a single cryst

Question

If the data in the diagram given in problem 6-9 is from a test of a single crystal of a metal which has an fcc crystal structure. The loading (force) direction is along the [001] direction of the crystal. In order to determine the critical resolved shear stress of this fcc metal, what is the angle ? ?

30 degree

45 degree

54.7 degree

60 degree

A.

30 degree

B.

45 degree

C.

54.7 degree

D.

60 degree

Question 10 10 points Saw Anewer 0.2% C plain carbon steel 60 n 50 . 0.2% C plain carbon steel o 40 000.05 9C10 0015 Engineering strain (inin) 0.00 0.05 0.10 0.15 0.20 Engineering strain (in/in) A22500 0:39 PM

Explanation / Answer

For both bcc and fcc crystal angle should remain 45° to resolve for critical shear stress as at that degree maximum stress occurs.

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