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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY
HYDERABAD
III Year B.Tech. Met.E. I-Sem T P C
4+1* 0 4
HEAT TREATMENT TECHNOLOGY
UNIT-I
PRINCIPLES OF HEAT TREATMENT: Austenitic Transformation, Pearlitic Transformation, Bainitic Transformation, Martensitic Transformation, Annealing, Normalizing, Hardening, mechanism of heat removal during quenching, quenching media, size and mass effect, hardenability, tempering, austempering, manufacturing, deep freezing.
UNIT-II
Surface heat treatment, carburizing, cyaniding, flame and induction hardening, residual stresses, deep freezing, thermo mechanical treatments: HTMT, LTMT, Ausforming, Isoforming, Cryoforming.
UNIT-III
EFFECT OF ALLOY ELEMENTS: Purpose of alloying, effect of alloying elements on ferrite, cementite, Fe-Fe3C system, tempering and TTT Curves.
UNIT-IV
ALLOY STEELS: Structural and constructional steels, maraging steels, tool and die steels.
UNIT-V
Corrosion and heat resistant steels, Hadfield steels, magnetic steels and alloys, free machining steels.
UNIT-VI
CAST IRONS: White cast iron, grey cast iron, spheroidal graphite iron, malleable cast irons, alloy cast iron.
UNIT-VII
NON-FERROUS METALS AND ALLOYS: Precipitation hardening, aging treatment, study of copper and its alloys, aluminum and its alloys, nickel and its alloys.
UNIT-VIII
Heat treatment furnaces and their design, atmosphere control vacuum heat treatment etc.
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| Author: India 22 Dec 2007 | Member Level: Diamond Points : 3 |
TEXT BOOK:
1. Heat Treatment Principle and Techniques-Rajan & Sharma
REFERENCES:
1. Physical Metallurgy - Lakhtin
2. Physical Metallurgy - Clark and Varney
3. Physical Metallurgy Principles - Reed – Hill
4. Physical metallurgy-Ragavan
5. Heat Treat ment of metals-Zakhara
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