Sintered body and cutting tool including the same

申请号 US15504464 申请日 2016-04-20 公开(公告)号 US09988315B2 公开(公告)日 2018-06-05
申请人 Sumitomo Electric Industries, Ltd.; SUMITOMO ELECTRIC HARDMETAL CORP.; 发明人 Akito Ishii; Takashi Harada; Katsumi Okamura; Satoru Kukino;
摘要 A sintered body of the present invention is a sintered body including a first material and cubic boron nitride. The first material is partially-stabilized ZrO2 including 5 to 90 volume % of Al2O3 dispersed in crystal grain boundaries or crystal grains of partially-stabilized ZrO2.
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