Work hardening strengthens an alloy by – McqOptions

MCQOPTIONS

1.	Work hardening strengthens an alloy by
A.	Removing internal defects in the crystal structure
B.	Increasing the dislocation density
C.	Decreasing the grain size of alloy
D.	Increasing the lattice resistance to dislocation motion
Answer» C. Decreasing the grain size of alloy

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