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The Influence of Temperature on the Machinability of Stellite 6

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Proceedings of the Twenty-First International Machine Tool Design and Research Conference

Abstract

Stellite 6 is one of the materials which can benefit from the Plasma Assisted Hot Machining Process. This paper examines the reasons for an improvement in machinability with preheating. It is shown that the chip formation mode alters from brittle through ductile to a serrated type of chip having adiabatic shear zones. A similar transition occurs when merely cutting speed is increased. However it is shown that shear stress on the tool rake face differs greatly for the two cases. The reasons for this together with the suitability of ceramic tooling in hot machining are discussed.

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Author information

Authors and Affiliations

  1. Department of Mechanical and Industrial Engineering, Queen’s University, Belfast, UK

    S. M. De Almeida & B. K. Hinds

Authors
  1. S. M. De Almeida
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  2. B. K. Hinds
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Editor information

Editors and Affiliations

  1. University College of Swansea, UK

    J. M. Alexander (Professor and Head of Department of Mechanical Engineering, Chairman of School of Engineering) (Professor and Head of Department of Mechanical Engineering, Chairman of School of Engineering)

Copyright information

© 1981 The Department of Mechanical Engineering, University College of Swansea

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De Almeida, S.M., Hinds, B.K. (1981). The Influence of Temperature on the Machinability of Stellite 6. In: Alexander, J.M. (eds) Proceedings of the Twenty-First International Machine Tool Design and Research Conference. Palgrave, London. https://doi.org/10.1007/978-1-349-05861-7_38

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  • DOI: https://doi.org/10.1007/978-1-349-05861-7_38

  • Publisher Name: Palgrave, London

  • Print ISBN: 978-1-349-05863-1

  • Online ISBN: 978-1-349-05861-7

  • eBook Packages: EngineeringEngineering (R0)

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