NPTEL : NOC:Heat Treatment and Surface Hardening - I (Metallurgy and Material Science)

Co-ordinators : Dr. Kallol Mondal, Prof. Sandeep Sangal


Lecture 1 - Introduction to Heat Treatment and Importance of Material Tetrahedron

Lecture 2 - Case studies in reference to Material tetrahedron T/t information and processing

Lecture 3 - Few more case studies in reference to processing with T/t modification

Lecture 4 - Critical Definition and Phase Transformation Thermodynamics and Driving Force

Lecture 5 - Thermodynamics of Phase Transformation Driving force of Phase Transformation

Lecture 6 - Thermodynamics of Phase Transformation and Driving Force for Phase Transformation

Lecture 7 - Finding Value of Driving Force (?G) and Single Component (liquid-solid)

Lecture 8 - Finding Value of Driving Force (?G) and Nucleation Single Component (liquid-solid)

Lecture 9 - Nucleation Treatment Single Component (Solid-Liquid) - I

Lecture 10 - Nucleation Treatment Single Component (Solid-Liquid) - II

Lecture 11 - Solved Problem on Nucleation rate and How to determine the value of ?sl Physical Concept & Interfacial Energy

Lecture 12 - How to determine the value of ?sl (Physical Concept and Interfacial Energy)

Lecture 13 - Interfacial Energy - I

Lecture 14 - Interfacial Energy - II

Lecture 15 - Heterogeneous Nucleation - I

Lecture 16 - Heterogeneous Nucleation - II

Lecture 17 - Solid - Solid Transformation and Nucleation rate - I

Lecture 18 - Solid - Solid Transformation and Nucleation rate - II

Lecture 19 - Phase Diagram and G vs X plot - I

Lecture 20 - Phase Diagram and G vs X plot - II

Lecture 21 - Phase Diagram and G vs X plot - III

Lecture 22 - Introduction to Kinetics of Phase Transformation

Lecture 23 - Variation of ?G* and r* with Undercooling

Lecture 24 - Nucleation rate - I

Lecture 25 - Nucleation Rate - II

Lecture 26 - Critical Undercooling

Lecture 27 - Maximum nucleation rate for homogeneous nucleation

Lecture 28 - Maximum nucleation rate for heterogeneous nucleation

Lecture 29 - Nucleation kinetics in solid state

Lecture 30 - Interface controlled growth

Lecture 31 - Diffusion controlled growth

Lecture 32 - Avrami Kinetics - I

Lecture 33 - Avrami Kinetics - II

Lecture 34 - Avrami Kinetics - III

Lecture 35 - Time-Temperature-Transformation (TTT) diagram

Lecture 36 - Diffusion in Solids - I

Lecture 37 - Diffusion in Solids - II

Lecture 38 - Diffusion in Solids - III

Lecture 39 - Diffusion in Solids - IV

Lecture 40 - Applications of heat treatment