This document provides information about the ME 8491 Engineering Metallurgy course taught by M. Karthikeyan at AAA College of Engineering & Technology, Sivakasi. It includes definitions of various heat treatment processes like annealing, normalizing, hardening, and tempering of steel. It also mentions isothermal transformation diagrams, cooling curves, Jominy end quench testing, and various surface hardening techniques like carburizing, nitriding, and induction hardening. The document lists two questions for the Heat Treatment unit which ask about thermal or selective hardening processes and the differences between flame and induction hardening.
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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 Full annealing, stress relief, recrystallisation
and spheroidising normalising, hardening and
Tempering of steel. Isothermal transformation diagrams
cooling curves superimposed on I.T. diagram CCR
Hardenability, Jominy end quench test - Austempering,
martempering case hardening, carburizing, Nitriding,
cyaniding, carbonitriding Flame and Induction
hardening Vacuum and Plasma hardening.
UNIT II HEAT TREATMENT
6. 1. Explain the thermal or selective or shallow hardening process
2. In what ways flame hardening differs from induction hardening ?
QUESTIONS
