Understand the formation of solid solu- tions and differentiate between substitutional and interstitial solid solutions.
Constitution of Alloys and Phase Diagrams
Learning Objectives
While reading and after studying this chapter, you will be able to:
● Understand the formation of solid solu- tions and differentiate between substitutional and interstitial solid solutions.
● Appreciate the concepts, principles and uses of phase diagrams.
● Construct the phase diagrams from the liquid-solid cooling curves.
● Learn the basic rules for the interpretation of phase diagrams.
● Know the concepts of binary isomorphous temperature-composition phase diagrams.
● Construct and understand the phase dia- grams for binary eutectic alloy systems.
● Analyse the importance of invariant re- actions eutectic, pertitectic, eutectoid, and peritectoid-in the phase diagrams.
● Understand how the form of a phase diagram can influence the properties of alloys.
● Identify the major microstructural constituents of iron-carbon alloys and un- derstand their compositional and structural characteristics.
● Understand the iron-carbon phase dia- gram and its significance on the trans- formation of various types of steels and cast irons.
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