Give the correct answer with explaination. During heat treatment of steel, the hardness ofvarious structures in increasing order is(a) martensite, fine pearlite, coarse pearlite,spherodite(b) fine pearlite, martensite, spherodite, coarsepearlite(c) martensite, coarse pearlite, fine pearlite,spherodite(d) spherodite, coarse pearlite, fine pearlite,martensite

Given; During heat treatment of steel, the hardness of various structures in increasing order is,…

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Welding: Principles and Applications (MindTap Course List)

8th Edition

ISBN:9781305494695

Author:Larry Jeffus

Publisher:Larry Jeffus

Chapter27: Weldability Of Metals

Section: Chapter Questions

Problem 17R: Why must cracks in the martensite layer of high-manganese steels be removed?

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Question

Give the correct answer with explaination.

During heat treatment of steel, the hardness of
various structures in increasing order is
(a) martensite, fine pearlite, coarse pearlite,
spherodite
(b) fine pearlite, martensite, spherodite, coarse
pearlite
(c) martensite, coarse pearlite, fine pearlite,
spherodite
(d) spherodite, coarse pearlite, fine pearlite,
martensite

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