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13 votes
13 votes
Why does polishing the surface of a metal extend fatigue life

User Altblue
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1 Answer

23 votes
23 votes

Answer:

they are machined with shape characteristics which maximize the fatigue life of a metal.

Step-by-step explanation:

they are highly polished to provide the surface characteristics which enable the best fatigue life.

User Mayur Koshti
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