公开(公告)号：US20060188720A1

公开(公告)日：2006-08-24

申请号：US10549904

申请日：2004-03-18

申请人： Takayuki Kato ,  Makoto Egashira ,  Yashiro Shimizu ,  Takeo Hyodo

发明人： Takayuki Kato ,  Makoto Egashira ,  Yashiro Shimizu ,  Takeo Hyodo

IPC分类号： B32B5/16

CPC分类号： F16D69/02 ,  B01J2/20 ,  C04B38/009 ,  C04B2111/00353 ,  Y10T428/2982 ,  C04B38/067

摘要： The present invention provides (1) hollow ceramics particles having a hollow structure formed by a porous shell layer comprising ceramics powders bonded to each other and having an average particle diameter of from 10 to 100 μm and a breaking strength of 5×104 MPa or more, (2) a hollow ceramics particles-containing composite material comprising hollow ceramics particles dispersed in a matrix which hollow ceramics particles formed by a porous shell layer comprising ceramics powders bonded to each other, wherein the aforementioned hollow ceramics particles are hollow particles obtained by sintering a precursor comprising the aforementioned ceramics powder covered by a resin powder in such an arrangement that a part of the aforementioned ceramics powder is embedded in the resin powder, and (3) a sliding member made of the aforementioned a hollow ceramics particles-containing composite material.

摘要翻译： 本发明提供（1）具有中空结构的中空陶瓷颗粒，所述中空结构由多孔壳层形成，所述多孔壳层包含彼此结合的平均粒径为10至100μm的陶瓷粉末，并且断裂强度为5×10 4， / 2MPa以上，（2）包含分散在基体中的中空陶瓷颗粒的中空陶瓷颗粒复合材料，由包含彼此结合的陶瓷粉末的多孔壳层形成的中空陶瓷颗粒，其中上述中空陶瓷颗粒 是将上述陶瓷粉末的一部分嵌入到树脂粉末中的烧结包含上述由树脂粉末覆盖的陶瓷粉末的前体而得到的中空粒子，（3）由上述中空部件 陶瓷颗粒复合材料。