Tool Wear of Cubic Boron Nitride in Cutting Sintered Steel

Abstract:

In the powder metallurgy method, after sintering, it is often necessary for the sintered steel machine parts to be machined by the metal removal process for dimensional accuracy. In this case, it is imperative that the tool materials have good wear resistance. Polycrystalline cubic boron nitride compact (cBN) seems to be an effective tool material because it has good heat and wear resistance. In this study, in cutting sintered steel with cBN tools, various cBN tools have been used in cutting experiments to identify an effective combination of binding phase and cBN content. As a result of experimentally examining the wear progress of the CBN tools, a cBN tool having a binder phase of (Al₂O₃-Al) and a cBN content of 60% was effective for wear resistance.

• Periodical: Key Engineering Materials (Volume 936)
• Pages: 43-48
• DOI: https://doi.org/10.4028/p-uh8p14
• Online since: December 2022
• Authors: Tadahiro Wada*
• Keywords: Cutting, Polycrystalline Cubic Boron Nitride Compact, Sintered Steel, Tool Wear

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