NOC:Heat Treatment and Surface Hardening-II (DVD)

₹250.00
In stock
SKU
112104219



Media Storage Type : DVD-ROM

NPTEL Subject Matter Expert : Dr. Kallol Mondal

NPTEL Co-ordinating Institute : IIT Kanpur

NPTEL Lecture Count : 40

NPTEL Course Size : 4.4 GB

NPTEL PDF Text Transcription : Available and Included

NPTEL Subtitle Transcription : Available and Included (SRT)


Lecture Titles:

Lecture 1 - Recap - I
Lecture 2 - Recap - II
Lecture 3 - Recap - III
Lecture 4 - Determination of Phase Diagram (Experimentally) - I
Lecture 5 - Determination of Phase Diagram (Experimentally) - II
Lecture 6 - Determination of Phase Diagram (Thermodynamically)
Lecture 7 - Effect of pressure on phase transformation temperature and concept of equilibrium between condensed and vapor phase
Lecture 8 - Effect of different parameters on heat treatment and concept of saturation vapor pressure with examples
Lecture 9 - Title: Formation of ideal solid or liquid solution and (G-X) diagrams for ideal solutions (Part-I)
Lecture 10 - G-X diagrams (Part- II) and concept of chemical potential (Micro Sign) from G-X diagrams.
Lecture 11 - Concept of common tangent for equilibrium between two phases
Lecture 12 - Expressions for equilibrium of two phases - I
Lecture 13 - Expressions for equilibrium of two phases - II
Lecture 14 - Expressions for equilibrium of two phases - III
Lecture 15 - Determining nucleation of phases using G-X plot
Lecture 16 - ΔG for nucleation and overall transformation, concepts of solid state transformation including precipitation and Quasi-Chemical Model (QCM)
Lecture 17 - Introduction to real solutions and expression of ΔHmix based on the Quasi-Chemical Model (QCM)
Lecture 18 - Expression for ΔHmix as a function of interaction energy and mole fraction, based on the QCM - Part I
Lecture 19 - Expression for ΔHmix as a function of interaction energy and mole fraction, based on the QCM - Part II
Lecture 20 - Graphical representation of ΔGmix, ΔHmix, and -TΔSmix for real solutions and evolution of eutectic phase diagram from the G-X plots
Lecture 21 - Effect of ΔHmix on determination of phase diagrams (same crystal structure)
Lecture 22 - Effect of ΔHmix on determination of phase diagrams (Continued...)
Lecture 23 - Importance of phase diagrams
Lecture 24 - Effect of heat treatment on microstructure evolution in steel - I
Lecture 25 - Effect of heat treatment on microstructure evolution in steel - II
Lecture 26 - Recap of homogeneous and heterogeneous nucleation for solid to solid transformation
Lecture 27 - Nucleation rate and its dependence on T (temp. of interest), ΔT, ΔG v and ΔG* and, introduction to growth kinetics
Lecture 28 - Growth kinetics (Continued...)
Lecture 29 - Growth rate variation with undercooling and kinetics of overall phase transformation
Lecture 30 - Implication of Avrami’s equation with example on excel spreadsheet
Lecture 31 - Experimental verification of Avrami Equation
Lecture 32 - Linear regression (least squares) method to find the value of n and k in Avrami equation
Lecture 33 - In this lecture, method to determine the goodness of fit has been explained. Procedure to estimate the values of n and k from experimental data have also been discussed.
Lecture 34 - Stereology and quantitative metallography - I
Lecture 35 - Stereology and quantitative metallography - II
Lecture 36 - Grain size measurements methods
Lecture 37 - Statistical tools for analysis and reporting of obtained data with examples
Lecture 38 - Evolution of TTT and CCT diagram from f vs. t plots
Lecture 39 - TTT, CCT continue and hardenability of steel
Lecture 40 - Importance of heat treatment practices in real life (with examples)

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