chapter 5.pptx: drainage and irrigation engineering
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ME8491 ENGINEERING METALLURGY - UNIT 2
1. ME 8491 ENGINEERING METALLURGY
M.KARTHIKEYAN
ASSISTANT PROFESSOR
DEPARTMENT OF MECHANICAL ENGINEERING
AAA COLLEGE OF ENGINEERING & TECHNOLOGY, SIVAKASI
karthikeyan@aaacet.ac.in
2. Definition โ Full annealing, stress relief, recrystallisation
and spheroidising โ normalising, hardening and
Tempering of steel. Isothermal transformation diagrams โ
cooling curves superimposed on I.T. diagram CCR โ
Hardenability, Jominy end quench test - Austempering,
martempering โ case hardening, carburizing, Nitriding,
cyaniding, carbonitriding โ Flame and Induction
hardening โ Vacuum and Plasma hardening.
UNIT II HEAT TREATMENT
3.
4.
5. 1. Define the term heat treatment.
2. What are the purposes of the processing heat treatments?
QUESTIONS