Journal of the Japan Society of Powder and Powder Metallurgy
Online ISSN : 1880-9014
Print ISSN : 0532-8799
ISSN-L : 0532-8799
Memorial Lecture of JSPM Award
Developments of New Ceramic Materials for Cutting Tool
Kazuhiro URASHIMA
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JOURNAL OPEN ACCESS

2019 Volume 66 Issue 10 Pages 465-472

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Abstract

Ceramic materials are the most suitable materials for cutting tools because they have excellent properties in heat resistance, thermal shock resistance and wear resistance. Since an alumina material was developed for cutting tool in the 1938, various ceramic materials such as silicon nitride, sialon, whisker composites et al. have been developed for the cutting tool. The range of the material application has been greatly expanded by improving its performance, and it is expected that it will be developed to difficult-to-cut materials in the near future.

In this paper, development methods for each material would be discussed and application examples would also described. In addition, the material concept and the properties of new grade: Bidemics are shown. Finally, we will discuss future directions of ceramic cutting tools.

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© 2019 by Japan Society of Powder and Powder Metallurgy

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