CHAPTER 21
Mechanical Working of Metals, Sheet Metal Work, Powder Metallurgy, and Smithy
Learning Objectives
By the end of this chapter, the student will be able:
- To differentiate hot working and cold working
- To describe the various mechanical forming processes
- To demonstrate the various tools used in sheet metal operations To describe the sheet metal processes
- To demonstrate the powder metallurgy processes
- To describe the various processes and tools used in Smithy
MECHANICAL WORKING PROCESS
21.1 INTRODUCTION
Mechanical working is a process of shaping of metals by plastic deformation. When a metal is subjected to an external force beyond yield strength but less than the fracture strength of the metal, metal is deformed by slip or twin ...
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