Cubic boron nitride sintered body and cutting tools
TW202631544APending Publication Date: 2026-08-01SUMITOMO ELECTRIC INDUSTRIES LTD
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Patent Information
- Authority / Receiving Office
- TW · TW
- Patent Type
- Applications
- Current Assignee / Owner
- SUMITOMO ELECTRIC INDUSTRIES LTD
- Filing Date
- 2025-10-01
- Publication Date
- 2026-08-01
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Abstract
The present invention relates to a cubic boron nitride sintered body, comprising 75% to 95% cubic boron nitride particles and 5% to 25% binding material, wherein the silicon content of the cubic boron nitride sintered body is 0.10 atomic% to 7 atomic% and the cobalt content of the cubic boron nitride sintered body is 0.5 atomic% to 13 atomic%.
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