Syllabus
Concepts of diffusion and Phase Transformations on heating, Kinetics of phase transformation, Phase stability and free energy of mixing; free energy-composition diagrams, principles of nucleation and growth, Importance of austenitic grain size, TTT diagrams, CCT Diagrams, Various heat treatment processes in steels and aluminium alloys, hardenability, thermomechanical treatments, characteristics of quenchants, Surface hardening: Laser hardening, Case carburizing (solid, liquid and gaseous), Cyaniding, Carbonitriding, Nitriding, Plasma nitriding. Defects and remedies in heat treatment, Heat treatment furnaces and atmospheres, Heat treatment of aerospace materials.
Text Books
- Rajan T.V., Sharma C.P, Sharma Heat Treatment Principles and Techniques, A., Prentice Hall of India (P) Ltd (2004).
References
1. Porter & Easterling, Phase transformations in metals and alloys, Chapman and Hall, London (2015).
2. V. Raghavan Solid State Phase Transformations, , Prentice Hall of India (P) Ltd (1992).
3. Vijendra Singh, Heat Treatment of Metals, Standard Publishers Distributors (2020).
4. Karl-Erik Thelning, Steel and its Heat Treatment, Butterworths London (1984).
Course Outcomes (COs):
CO1: Understand the mechanisms associated with various heat treatment processes
CO2: Execute various heat treatment processes applied to various metals for obtaining specific properties in metals
CO3: Troubleshoot and rectify the process for obtaining defect free components during heat treatment