CHAPTER 23
Heat Treatment
Learning Objectives
By the end of this chapter, the student will be able:
- To demonstrate the iron-carbon (Fe-C) phase diagram
- To demonstrate the time-temperature-transformation (TTT) diagram
- To describe the various heat treatment processes of the metal to change the mechanical properties
23.1 INTRODUCTION
Heat treatment is a process to control the mechanical properties of engineering materials by heating, cooling and alloying the metal as per requirement. It deals with change in properties by alloying different elements to the metal at various temperatures. The various mechanical properties such as hardness, toughness, ductility, machinability, and grain refinement are controlled by heat treatment process. In ...
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