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It is necessary to carry out _________ after martempering.

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in Engineering Material & Metallurgy by (773k points)
It is necessary to carry out _________ after martempering.

(a) Refining

(b) Tempering

(c) Surface hardening

(d) Cyaniding

This question was posed to me in examination.

My doubt is from Interrupted Quenching topic in section Heat Treatment of Engineering Material & Metallurgy

1 Answer

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Correct choice is (b) Tempering

The explanation: Untempered martensite structure is transformed into tempered martensite structure by conventional tempering heat treatment processing rapid quenching. This is rarely needed in austempering.

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