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Neutralization of preexisting defects in the material can lower the chances of fatigue failure.

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in Casting-Forming-Welding II by (119k points)
Neutralization of preexisting defects in the material can lower the chances of fatigue failure.

(a) True

(b) False

This question was addressed to me by my college director while I was bunking the class.

Question is from Metallurgical Aspects in division Mechanical Working of Metals of Casting-Forming-Welding II

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by (701k points)
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Best answer
Correct choice is (a) True

Best explanation: The fatigue life of material can be improved by various treatments which generally includes grinding, shot peening, spot heating, hammer peening, heat treatment etc. And also by considering strategies like neutralization of preexisting defects and reducing local stress concentration, fatigue life of material can be improved.

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