Yield strength of a polycrystalline metal with an average grain size �

1.	Yield strength of a polycrystalline metal with an average grain size „d’, is proportional to ____________________?
A.	d1/2
B.	d-1/2
C.	d
D.	d-1
Answer» C. d

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Yield strength of a polycrystalline metal with an average grain size „d’, is proportional to ____________________?

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