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    • 10. 发明公开
    • 화학 반응성 재료의 기계 가공에 사용하는 소결 성형체
    • 用于加工化学反应材料的烧结紧凑
    • KR1020040002685A
    • 2004-01-07
    • KR1020030041420
    • 2003-06-25
    • 다이아몬드 이노베이션즈, 인크.
    • 도울스티븐리스컬록로버트딘
    • B22F3/02
    • C04B35/583B22F2998/00B23B27/148C04B35/5831C04B35/6261C04B2235/3217C04B2235/3804C04B2235/3813C04B2235/3817C04B2235/3839C04B2235/3843C04B2235/3847C04B2235/386C04B2235/3865C04B2235/3886C04B2235/402C04B2235/404C04B2235/5436C04B2235/72C04B2235/762C04B2235/786C04B2235/80C22C26/00C22C29/16C22C2026/005C22C2026/006
    • PURPOSE: A sintered compact for use in machining chemically reactive materials is provided to improve the performance of cubic boron nitride(cBN) superabrasive tools for material removal operations. CONSTITUTION: The sintered cubic boron nitride(cBN) compact for use in a tool comprises (a) from 60 to 80 volume% cBN having a volumetric mean particle size of about 3 to 6 μm; (b) from about 40 to 20 volume% of a ceramic binder phase, of which (i) about 20 to 60 volume% is one or more of carbides, nitrides, or borides of a Group IVB or VIB metals; and (ii) about 40 to 80 volume% is one or more of carbides, nitrides, borides, or oxides of aluminum; and (c) from about 3 to 15 weight% tungsten. The process for making a sintered cubic boron nitride(cBN) compact for use in a tool comprises subjecting to high pressure and high temperature(HP/HT) conditions a mixture of: (a) about 60 to 80 volume% cBN having a volumetric mean particle size of between about 3 to 6 μm; (b) about 40 to 20 volume% of a ceramic binder phase of which (i) about 20 to 60 volume% is one or more of carbides, nitrides, or borides of a Group IVB or VIB metals; and (ii) about 40 to 80 volume% is one or more of carbides, nitrides, borides, or oxides of aluminum; and (c) about 3 to 15 weight% tungsten.
    • 目的:提供用于加工化学反应性材料的烧结体,以改善用于材料去除操作的立方氮化硼(cBN)超级磨料工具的性能。 构成:用于工具的烧结立方氮化硼(cBN)压块包含(a)60至80体积%的体积平均粒度约3至6μm的cBN; (b)约40至20体积%的陶瓷粘结相,其中(i)约20至60体积%是IVB族或VIB族金属的一种或多种碳化物,氮化物或硼化物中的一种或多种; 和(ii)约40至80体积%是铝的碳化物,氮化物,硼化物或氧化物中的一种或多种; 和(c)约3至15重量%的钨。 用于制造用于工具的立方氮化硼烧结体(cBN)的方法包括:将高压和高温(HP / HT)条件下混合物:(a)约60至80体积%cBN的体积平均值 约3〜6μm的粒径; (b)约40至20体积%的陶瓷粘结相,其中(i)约20至60体积%是IVB族或VIB族金属的一种或多种碳化物,氮化物或硼化物; 和(ii)约40至80体积%是铝的碳化物,氮化物,硼化物或氧化物中的一种或多种; 和(c)约3至15重量%的钨。