Anandh Subramaniam & Kantesh Balani Phase Diagrams: a Detailed Study MATERIALS SCIENCE & ENGINEERING Anandh Subramaniam & Kantesh Balani Materials Science and Engineering (MSE) Indian Institute of Technology, Kanpur- 208016 Email: anandh@iitk.ac.in, URL: home.iitk.ac.in/~anandh AN INTRODUCTORY E-BOOK Part of http://home.iitk.ac.in/~anandh/E-book.htm A Learner’s Guide Advanced Reading Alloy Phase Equilibria A. Prince Elsevier Publishing Company, Amsterdam (1966) Collection of Phase Diagrams http://www.crct.polymtl.ca/fact/documentation/SGTE/SGTE_Figs.htm

Illustrative Examples of Phase Diagrams In the mail chapter on phase diagrams some basics of phase diagrams were considered. In this sub-chapter we consider:  a detailed treatment of phase diagrams and  an illustrative set of phase diagrams (i.e. examples of various types of phase diagrams).

Getting Phase diagrams from Gibbs free energy versus composition plots By drawing G vs Xi (composition) plots for various temperatures we can obtain T vs Xi phase diagrams.

Getting the Eutectic Phase diagram from Gibbs free energy versus composition plot By drawing

Gibbs free energy vs composition plot at various temperatures: Isomorphous system

Gibbs free energy vs composition plot at various temperatures: Eutectic system

Gibbs free energy vs composition plot at various temperatures: Peritectic system