This document provides an overview of the topics that will be covered in the ME 8491 ENGINEERING METALLURGY course, including definitions of various heat treatments like annealing, normalizing, and tempering of steel. It also lists specific processes that will be discussed like austempering, martempering, case hardening techniques like carburizing and nitriding, and surface hardening methods such as flame, induction, vacuum, and plasma hardening. The document was authored by M.KARTHIKEYAN from the Department of Mechanical Engineering at AAA College of Engineering & Technology in Sivakasi, India.
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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 in detail the nitriding, cyaniding and carbonitriding with
neat sketches.
QUESTIONS
