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1. 发明授权

US5601764A Process for making TiC-base/SiC whisker composite ceramic cutting tools 失效
标题翻译：制造TiC基/ SiC晶须复合陶瓷切削工具的工艺
公开(公告)号：US5601764A
公开(公告)日：1997-02-11
申请号：US512636
申请日：1995-08-08
申请人： Junichiro Suzuki , Shoji Sakakibara , Akiyasu Okuno , Masakazu Watanabe
发明人： Junichiro Suzuki , Shoji Sakakibara , Akiyasu Okuno , Masakazu Watanabe
IPC分类号： C04B35/56 , C22C29/10 , C04B35/52
CPC分类号： C04B35/5603 , C04B35/5607 , C04B35/5611 , C04B35/5622 , C04B35/5626 , C04B35/575 , C04B35/58007 , C04B35/58014 , C04B35/58021 , C04B35/58028 , C04B35/58071 , C04B35/58078 , C04B35/645 , C04B35/6455 , C04B35/806 , C04B35/83
摘要： A ceramic cutting tool of a TiC-based sintered body containing 40 wt % or more of TiC, and 5 to 40 wt % of SiC whisker uniformly dispersed in the sintered body, said SiC whisker having a diameter of 0.2-1.5 .mu.m and a length of 1-20 .mu.m. The sintered body may include up to 40 wt % of Al.sub.2 O.sub.3, and may further contain sintering aid.Up to 40% by weight of TiC may be substituted with at least one of Ti, nitrides, oxides and borides of Ti, and solid-solution of said nitrides, oxides and borides of Ti to form a TiC-base composition.The TiC-base composition may be represented by (Ti.sub.a M.sub.b) (C.sub.c N.sub.d O.sub.e B.sub.f).sub.g where: M denotes at least one of transition metal elements of Groups IVa, Va and VIa, except Ti, according to the International Periodic Table; and a+b=1, 0
摘要翻译：包含均匀分散在烧结体中的TiC为40重量％以上且5〜40重量％的SiC晶须的TiC系烧结体的陶瓷切削工具，所述SiC晶须直径为0.2〜1.5μm，长度1-20亩。该烧结体可以包含至多40重量％的Al 2 O 3，并且还可以含有烧结助剂。高达40重量％的TiC可以被Ti的Ti，氮化物，氧化物和硼化物中的至少一种以及Ti的所述氮化物，氧化物和硼化物的固溶体代替，以形成TiC基组合物。 TiC基组合物可以由（TiaMb）（CcNdOeBf）g表示，其中：M表示除了Ti以外的IVa，Va和VIa族中的至少一种过渡金属元素，根据国际周期表; 和a + b = 1,0,0

2. 发明授权

US5439854A TiC-base/SiC whisker composite ceramic cutting tools 失效
标题翻译： TiC基/ SiC晶须复合陶瓷切割工具
公开(公告)号：US5439854A
公开(公告)日：1995-08-08
申请号：US131571
申请日：1993-10-04
申请人： Junichiro Suzuki , Shoji Sakakibara , Akiyasu Okuno , Masakazu Watanabe
发明人： Junichiro Suzuki , Shoji Sakakibara , Akiyasu Okuno , Masakazu Watanabe
IPC分类号： C04B35/56 , C22C29/10
CPC分类号： C04B35/5603 , C04B35/5607 , C04B35/5611 , C04B35/5622 , C04B35/5626 , C04B35/575 , C04B35/58007 , C04B35/58014 , C04B35/58021 , C04B35/58028 , C04B35/58071 , C04B35/58078 , C04B35/645 , C04B35/6455 , C04B35/806 , C04B35/83
摘要： A ceramic cutting tool formed of a TiC-based sintered body contains 40 wt % or more of TiC, and 5 to 40 wt % of SiC whisker uniformly dispersed in the sintered body. The SiC whisker has a diameter of 0.2-1.5 .mu.m and a length of 1-20 .mu.m. The sintered body may contain up to 40 wt % of Al.sub.2 O.sub.3, and further sintering aids. Up to 40% by weight of the TiC may be substituted with at least one of Ti, nitrides, oxides and borides of Ti, and solid-solutions of these nitrides, oxides and borides of Ti to form a TiC-base composition. The TiC base composition may be represented by the formula (Ti.sub.a M.sub.b) (C.sub.c N.sub.d O.sub.e B.sub.f).sub.g, in which M denotes at least one transition metal element of Groups IVa, Va and VIa according to the International Periodic Table, except Ti; and a+b=1, 0
摘要翻译：由TiC系烧结体形成的陶瓷切削工具包含40重量％以上的TiC和5〜40重量％的均匀分散在烧结体中的SiC晶须。 SiC晶须的直径为0.2-1.5μm，长度为1-20μm。该烧结体可含有至多40重量％的Al 2 O 3，以及其它烧结助剂。高达40重量％的TiC可以被Ti的Ti，氮化物，氧化物和硼化物中的至少一种，Ti的这些氮化物，氧化物和硼化物的固溶体代替，以形成TiC基组合物。 TiC基础组合物可以由式（TiaMb）（CcNdOeBf）g表示，其中M表示除了Ti之外，根据国际周期表的至少一种IVa，Va和VIa族的过渡金属元素; 和a + b = 1,0,0

3. 发明授权

US5106788A Process for producing highly tough ceramics 失效
标题翻译：生产高温陶瓷的工艺
公开(公告)号：US5106788A
公开(公告)日：1992-04-21
申请号：US742737
申请日：1991-08-06
申请人： Junichiro Suzuki , Shoji Sakakibara
发明人： Junichiro Suzuki , Shoji Sakakibara
IPC分类号： C04B35/111
CPC分类号： C04B35/111
摘要： Highly tough ceramics are produced by:providing a formulation comprised of 20 to 50% by weight of titanium carbide expressed in terms of the general formula TiCx wherein x is 0.65 to 0.93, 0.1 to 2% by weight of one or more sintering aids, and 48-79.9% by weight of Al.sub.2 O.sub.3, andsintering said formulation by the press-sintering process.Alternatively highly tough ceramics are produced by:providing a formulation comprised of 20 to 50% by weight of titanium carbide expressed in terms of the general formula TiCx wherein x is 0.65 to 0.93, 0.05 to 3.0% by weight of one or more rare earth oxides, and 47 tto 79.95% by weight of Al.sub.2 O.sub.3 ;subjecting the formulation to primary sintering in an inert gas until relative theoretical density of 95-99% is achieved, andsintering the resultant mass by the hot isostatic pressing process.
摘要翻译：通过以下方式制备高韧性陶瓷：提供由通式TiC x表示的20至50重量％的碳化钛，其中x为0.65至0.93,0.1至2重量％的一种或多种烧结助剂， 48-79.9重量％的Al 2 O 3，并通过压制烧结法烧结所述制剂。备选地，高韧性陶瓷通过以下方式制备：提供由20至50重量％的以通式TiC x表示的碳化钛的配方，其中x为0.65至0.93,0.05至3.0重量％的一种或多种稀土氧化物，和47〜39.95重量％的Al 2 O 3; 使制剂在惰性气体中进行一次烧结，直到达到95-99％的相对理论密度，并通过热等静压法烧结所得物质。

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