Chemical Engineering - Chemical Engineering Basics - Discussion

Discussion Forum : Chemical Engineering Basics - Section 2 (Q.No. 2)
2.
Secondary hardening in steels arises out of the
precipitation of fine alloy carbides at high temperatures.
refinement of ferrite grain size by working.
decomposition of retained austenite upon heat treatment.
precipitation of complex inter-metal-lics upon heat treatment.
Answer: Option
Explanation:
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Discussion:
1 comments Page 1 of 1.

Sunil Tiwari said:   6 years ago
Option A is also correct.
(1)

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