Mechanism/phenomenon involved in the improvement of fatigue strength o – McqOptions

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1.	Mechanism/phenomenon involved in the improvement of fatigue strength of a material by shot peening is the
A.	induction of residual compressive stress on the surface.
B.	removal of stress concentration from the surface.
C.	grain refinement.
D.	surface polishing.
Answer» B. removal of stress concentration from the surface.

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