High density ceramic thick film fabrication method by screen printing
    5.
    发明授权
    High density ceramic thick film fabrication method by screen printing 失效
    高密度陶瓷厚膜制作方法通过丝网印刷

    公开(公告)号:US06749798B2

    公开(公告)日:2004-06-15

    申请号:US10030531

    申请日:2002-04-04

    IPC分类号: B28B100

    摘要: A high density ceramic thick film is fabricated by providing vehicle comprising an organic binder and solvent, dispersing ceramic powders into the vehicle to be paste, forming the paste to thick film by screen printing, removing the organic binder from the film, applying sol or sol-like solution to the surface of the film so that the sol or sol-like solution can infiltrate into the film, removing remaining sol or sol-like solution from the surface of the film, drying and preheating the film, and sintering the film.

    摘要翻译: 通过提供包含有机粘合剂和溶剂的载体制备高密度陶瓷厚膜,将陶瓷粉末分散在载体中进行糊化,通过丝网印刷将糊状物形成厚膜,从薄膜中除去有机粘合剂,将溶胶或溶胶 使溶胶或溶胶状溶液浸入薄膜中,从薄膜表面除去剩余的溶胶或溶胶状溶液,干燥并预热薄膜,并烧结薄膜。

    Methods for preparation of tetragonal zirconia polycrystal composites
    6.
    发明授权
    Methods for preparation of tetragonal zirconia polycrystal composites 失效
    四方晶氧化锆多晶复合材料的制备方法

    公开(公告)号:US5556816A

    公开(公告)日:1996-09-17

    申请号:US398618

    申请日:1995-03-01

    IPC分类号: C04B35/48 C04B35/488

    CPC分类号: C04B35/488

    摘要: A method for the preparation of tetragonal zirconia polycrystal composite with high toughness and low-temperature degradation resistance. The method comprising adding transformable TZP of ZrO.sub.2 --Y.sub.2 O.sub.3 --Nb.sub.2 O.sub.5 /Ta.sub.2 O.sub.5 system to non-transformable TZP of ZrO.sub.2 --Y.sub.2 O.sub.3 --Nb.sub.2 O.sub.5 /Ta.sub.2 O.sub.5 system in an amount of not more than 60% by weight based on the total weight of the resulting mixture; and sintering the mixture at above 1,500.degree. C. Even though being exposed to a temperature ranging from 100.degree. to 400.degree. C. for a long time in air, the TZP composite prepared by the present method is rarely transformed into monoclinic zirconia and yet exhibits high toughness.

    摘要翻译: 一种制备具有高韧性和低温降解性的四方晶氧化锆多晶复合材料的制备方法。 该方法包括以ZrO 2 -Y 2 O 3 -Nb 2 O 5 / Ta 2 O 5体系的不可转化TZP为基准,将ZrO2-Y2O3-Nb2O5 / Ta2O5系统的可变形TZP以不超过60重量%的量加入到所得混合物中; 并在1500℃以上烧结该混合物。尽管在空气中长时间暴露于100-400℃的温度下,通过本发明方法制备的TZP复合材料很少转变为单斜氧化锆, 高韧性