Process of making amorphous silicon nitride powder
    46.
    发明授权
    Process of making amorphous silicon nitride powder 失效
    制造无定形氮化硅粉末的方法

    公开(公告)号:US4859639A

    公开(公告)日:1989-08-22

    申请号:US206753

    申请日:1988-06-15

    摘要: In amorphous silicon nitride powder, from 0.5 to 40 mol % of the silicon are replaced by one or more of the elements boron, aluminum, yttrium, lanthanum, titanium, zirconium, tungsten and molybdenum.The powder is obtained by reacting the halides of the corresponding elements, which are dissolved in an inert organic solvent in the particular ratio desired, with ammonia. The solid reaction product formed is separated off from the liquid phase and treated at from 800.degree. to 100.degree. C.The powder is particularly suitable as a starting material for the production of sintered articles.

    摘要翻译: 在非晶氮化硅粉末中,0.5〜40摩尔%的硅被硼,铝,钇,镧,钛,锆,钨和钼中的一种或多种元素代替。 通过使溶解在惰性有机溶剂中的相应元素的卤化物以特定比例的比例与氨反应获得粉末。 所形成的固体反应产物从液相中分离出来,并在800℃至100℃下进行处理。该粉末特别适用作制备烧结制品的原料。