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Basic Mechanical Engineering, 2e, 2nd Edition by Pravin Kumar

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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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