While normal carburising and nitriding surface treatments increase fatigue stren

While normal carburising and nitriding surface treatments increase fatigue strength, excessive treatment may decrease the fatigue strength. Why ?

Question Posted / arun singh

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While normal carburising and nitriding surface treatments increase fatigue strength, excessive treat..

Answer / Jogender Singh

Excessive carburising or nitriding may cause an increase in brittleness, which leads to a reduction in fatigue strength due to the formation of hard and brittle compounds on the surface of the material.

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