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Superalloys

  • Hossam A. Kishawy
  • Ali Hosseini
Chapter
Part of the Materials Forming, Machining and Tribology book series (MFMT)

Abstract

The term “superalloys” refers to a group of alloys that are capable of maintaining their mechanical characteristics after prolonged exposure to elevated temperatures. This category of material was primarily developed for applications such as turbo-superchargers and aircraft turbine engines. However, their applications have been expanded over the time to many other industrial sectors such as gas turbines, rocket engines, petroleum refineries, and chemical plants. From composition standpoint, among all of the metallic alloys ever developed for industrial, commercial, and military applications, superalloys are one of the most complex ones. This complexity enables metallurgists to develop different alloys and tailor their characteristics for wide range of applications. In addition to their modifiable features, the growing demand of industry for heat-resistant materials has further boosted superalloys development to the present level of sophistication. This chapter provides the readers with a brief review of superalloys, history of evolution, and their current industrial applications. It also presents the opportunities and challenges that may raise during machining superalloys. Applicable cutting tools, manufacturing processes, and other influential parameters on the machining and machinability of superalloys will also be discussed in this chapter.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • Hossam A. Kishawy
    • 1
  • Ali Hosseini
    • 1
  1. 1.Machining Research Laboratory (MRL)University of Ontario Institute of TechnologyOshawaCanada

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