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Nitriding involves the addition of ___________ for the hardening of surface.

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Nitriding involves the addition of ___________ for the hardening of surface.

(a) Nitrogen

(b) Nichrome

(c) Neon

(d) Niobium

I had been asked this question during an internship interview.

Origin of the question is Nitriding, Cyaniding and Carbonitriding in division Heat Treatment of Engineering Material & Metallurgy

1 Answer

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Right answer is (a) Nitrogen

To elaborate: Nitriding is a diffusion process for surface hardening of steels. It involves the addition of nitrogen atoms to obtain the desired hardness of steel components.

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