Which of the following statement is correct for tempering of martensite?

Question

Answer

Tempering of martensite is a process of carbides precipitation, it reduces the yield strength but increase the toughness of the martensite.

Answer

Tempering of martensite is a process of ferrite precipitation, it decreases both the yield strength and the toughness of the martensite.

Answer

Tempering of martensite is a process of carbides precipitation, it reduces the toughness but increase the yield strength of the martensite.

Answer

Tempering of martensite is a process of ferrite precipitation, it reduces the yield strength but increase the toughness of the martensite.

Crowdly