annexure - a andhra university: college of engineering department

MTE 413: HEAT TREATMENT
Periods/week: 3L-2T Credits: 4 Sessionals: 30 Exam: 70
Phase transformation in Fe-C system, Critical temperatures. Austenite grain size designation.
Inherently fine-grained and inherently coarse grained steel. Importance of grain size and its determination. Heat
Treatment Furnaces and atmospheres.
T-T-T Curves. Effect of cooling on transformation of austinite, pearlite, bainite and martensite.
Annealing, normalizing, hardening and tempering of steels. Austempering . Martempering . Patenting and
spheroidizing.
Effect of alloying elements. Hardenability of steels. Factors affecting and its determination. Thermomechanical
treatments. Ausforming. Strain tempering.
Surface hardening. Carburising, nitriding , cyaniding, carbonitriding. Induction and flame hardening.
Precipitation hardening. Basic requirements. Effects of time and temperature on ageing. Mechanisms of
precipitation hardening. Dispersion hardening.
Heat treatment of plain carbon , alloy and tool steels. HSLA, dual phase, alloy, high speed , stainless,
hadfield maganese, maraging steels and super alloys, dies, springs, cast irons. Non-ferrous metals and alloys .
Brasses , bronzes. Duraluminium , Al-Li alloys, Al bronzes, Be bronzes, Monels, Bearing materials, Titanium
alloys and super alloys. Types, properties, microstructure and applications. Nuclear reactor materials.
Text books:
1. Heat treatment, Rajan
2. Heat treatment of metals, Zakharov
References:
1. Physical Metallurgy, V.Raghavan
2. Introduction to Physical Metallurgy, S.H.Avner
3. Physical Metallurgy Principles, R.E. Reed- Hill.
4. Physical Metallurgy for Engineers, Clark and Varney
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