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    Al.sub.2 O.sub.3 based ceramic
    1.
    发明授权
    Al.sub.2 O.sub.3 based ceramic 失效
    Al2O3基陶瓷

    公开(公告)号：US5275981A

    公开(公告)日：1994-01-04

    申请号：US932195

    申请日：1992-08-20

    申请人： Akio Nishiyama ,  Takashi Koyama ,  Yasutaka Aikawa ,  Hideo Ohshima ,  Yuichiro Terao ,  Munenori Kato ,  Akio Sakai

    发明人： Akio Nishiyama ,  Takashi Koyama ,  Yasutaka Aikawa ,  Hideo Ohshima ,  Yuichiro Terao ,  Munenori Kato ,  Akio Sakai

    IPC分类号： B23B27/14 ,  C04B35/111 ,  C04B35/117 ,  C04B35/119 ,  C04B35/56 ,  C04B35/58

    CPC分类号： C04B35/111 ,  B23B27/148 ,  C04B35/117 ,  C04B35/119

    摘要： There is disclosed an Al.sub.2 O.sub.3 based ceramic which includes 5% to 50% by weight of a hard dispersed phase of at least one compound selected from metal carbide, metal nitride, metal carbonitride, metal oxy-carbide, metal oxy-nitride and metal carbo-oxy-nitride. The compound is represented by M(CNO), wherein M is at least one metal selected from the group consisting of Ti, Zr and Hf. The ceramic optionally contains 1% to 25% by weight of ZrO.sub.2, and balance Al.sub.2 O.sub.3 matrix, which contains an additive dissolved in the Al.sub.2 O.sub.3 grains so as to form solid solution therewith. The additive is contained in an amount of 0.01% to 12% by weight with respect to the Al.sub.2 O.sub.3 matrix and is at least one oxide of an element selected from the group consisting of Y, Mg, Cr, Ni, Co, and rare earth elements. The Al.sub.2 O.sub.3 grains have an average grain size no larger than 1.0 .mu. m while the hard phase constituent has an average grain size no larger than 0.6 .mu. m.

    摘要翻译： 公开了一种Al 2 O 3系陶瓷，其包含5重量％至50重量％的硬分散相的至少一种选自金属碳化物，金属氮化物，金属碳氮化物，金属氧化碳，金属氮化物和金属碳氮化物的化合物， 氧氮化物。 该化合物由M（CNO）表示，其中M是选自Ti，Zr和Hf中的至少一种金属。 陶瓷任选含有1重量％至25重量％的ZrO 2，并且余量为Al 2 O 3基质，其含有溶解在Al 2 O 3颗粒中的添加剂以便与其形成固溶体。 相对于Al 2 O 3基质，添加剂的含量为0.01〜12重量％，是选自Y，Mg，Cr，Ni，Co和稀土元素中的至少一种元素的氧化物 。 Al 2 O 3粒子的平均粒径不大于1.0（my）m，而硬相成分的平均粒径不大于0.6（my）m。

    Surface-coated cutting member
    3.
    发明授权
    Surface-coated cutting member 失效
    表面切割构件

    公开(公告)号：US4781989A

    公开(公告)日：1988-11-01

    申请号：US022278

    申请日：1987-03-05

    申请人： Hironori Yoshimura ,  Munenori Kato

    发明人： Hironori Yoshimura ,  Munenori Kato

    IPC分类号： C23C14/06 ,  C23C14/16 ,  C23C28/00 ,  C23C30/00 ,  B22F7/02

    CPC分类号： C23C28/00 ,  C23C14/0635 ,  C23C14/0641 ,  C23C14/0664 ,  C23C14/16 ,  C23C30/005 ,  Y10T428/12056 ,  Y10T428/12139

    摘要： A surface-coated cutting member includes a substrate, a metal layer vapor-deposited on a surface of the substrate and a hard coating vapor-deposited on the metal layer. The substrate is made of hard material selected from the group consisting of tungsten carbide-based cemented carbide, titanium carbo-nitride based cermet and high speed steel. The metal layer is made of metal selected from Group IVa of the Periodic Table and has an average thickness of 0.1 to 1 .mu.m. The hard coating has an average thickness of 1 to 9 .mu.m, and includes an inner layer of an average thickness of 0.2 to 4 .mu.m vapor-deposited on the metal layer, an intermediate layer of an average thickness of 0.2 to 4 .mu.m vapor-deposited on the inner layer and an outer layer of an average thickness of 0.2 to 3 .mu.m vapor-deposited on the intermediate layer. The inner layer is made of carbide or carbo-nitride of metal selected from Group IVa of the Periodic Table, and the intermediate layer is made of carbo-nitride of metal selected from Group IVa of the Periodic Table. The outer layer is made of nitride of metal selected from Group IVa of the Periodic Table.

    摘要翻译： 表面涂覆的切割构件包括基底，气相沉积在基底表面上的金属层和气相沉积在金属层上的硬涂层。 该基板由选自碳化钨基硬质合金，钛碳氮化物基金属陶瓷和高速钢的硬质材料制成。 金属层由选自元素周期表Ⅳa族的金属制成，平均厚度为0.1〜1μm。 硬涂层的平均厚度为1〜9μm，并且在金属层上蒸镀平均厚度为0.2〜4μm的内层，平均厚度为0.2〜4μm的中间层 气相沉积在内层上，外层平均厚度为0.2-3μm，气相沉积在中间层上。 内层由选自元素周期表Ⅳa族的金属的碳化物或碳氮化物制成，中间层由选自元素周期表Ⅳa族的金属碳氮化物制成。 外层由选自元素周期表Ⅳa族的金属氮化物制成。