Answer with true (T) or false (F), corrects the wrong statements, and give short reasons for corrected statements: lower 1) Hyper-eutectoid steels are fully annealed by heating to (30-50YC above upper critical temperature. 2) Austempering treatment can be applied successfully only on thin sections. 3) In general, for a given temperature, alloying elements in steels diffuse quickly in comparison to carbon. treatment. x
Answer with true (T) or false (F), corrects the wrong statements, and give short reasons for corrected statements: lower 1) Hyper-eutectoid steels are fully annealed by heating to (30-50YC above upper critical temperature. 2) Austempering treatment can be applied successfully only on thin sections. 3) In general, for a given temperature, alloying elements in steels diffuse quickly in comparison to carbon. treatment. x
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:2): Answer with true (T) or false (F), corrects the wrong statements, and give
short reasons for corrected statements:
cite>
lower
1) Hyper-eutectoid steels are fully annealed by heating to (30-50°C above upper
critical temperature.
2) Austempering treatment can be applied successfully only on thin sections.
3) In general, for a given temperature, alloying elements in steels diffuse quickly in
comparison to carbon.
4) Low carbon steels exhibit poor response to heat treatment.
5) Nitriding treatment does not involve quenching after holding at a case hardening
temperature.
6) The process of addition nitrogen to a carborizing case known as "carbonitriding".
7) High carbon steels in hardening and tempering condition are used to manufacturing
heavy springs.
8) Steel casting is subjected to normalizing process to relieve stresses.
9) Hardening process effected with the grain size of austenite.
10) Toughness of hardened steels improve by sphrodizing annealing.
x
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