[Solved] in case of carbonitriding by diffusion of which elements the surface become harder of the metal

Mechanical Engineering
Engineering Metallurgy
in case of carbonitriding by diffusion o...

Q.	in case of carbonitriding by diffusion of which elements the surface become harder of the metal
A.	only carbon
B.	carbon and nitrogen
C.	only nitrogen
D.	none of the above
Answer» B. carbon and nitrogen

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