Plastic processing method of pressure or pressureless sintered ceramic
body
    2.
    发明授权
    Plastic processing method of pressure or pressureless sintered ceramic body 失效
    压力或无压烧结陶瓷体的塑性加工方法

    公开(公告)号:US4786448A

    公开(公告)日:1988-11-22

    申请号:US901052

    申请日:1986-08-27

    摘要: There are disclosed a plastic processing method of the pressure of pressureless sintered ceramic body composed of at least one aluminum-containing compound selected from the group consisting of aluminum oxide, aluminum nitride and aluminum oxynitride and at least one hard compound selected from the group consisting of carbides, nitrides and oxides of titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, tungsten and silicon and mutual solid solutions thereof, the content of said at least one aluminum-containing compound is 5 to 95% by volume, comprising subjecting the ceramic body to plastic deformation at a temperature of 1300.degree. C. or higher, under a stress of 15 kg/mm.sup.2 or smaller and at a strain rate of 10.sup.-3 /sec or less in a reducing atmosphere or in vacuum, and a ceramics-made molded material comprising a composite ceramic body composed of the same as mentioned above.

    摘要翻译: 公开了由至少一种选自氧化铝,氮化铝和氮氧化铝的至少一种含铝化合物和至少一种选自以下的硬化合物组成的无压烧结陶瓷体的压力的塑性加工方法: 钛,锆,铪,钒,铌,钽,铬,钼,钨和硅及其相互固溶体的碳化物,氮化物和氧化物,所述至少一种含铝化合物的含量为5〜95体积% 包括在还原气氛或真空中,在15℃/ mm 2以下的应力和10 -3 /秒以下的应变速率下,使陶瓷体在1300℃以上的温度下进行塑性变形, 以及包含与上述相同的复合陶瓷体的陶瓷成型体。