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    Reinforcement of alkaline earth aluminosilicate glass-ceramics
    2.
    发明授权
    Reinforcement of alkaline earth aluminosilicate glass-ceramics 失效
    增强碱土铝硅酸盐玻璃陶瓷

    公开(公告)号：US4615987A

    公开(公告)日：1986-10-07

    申请号：US723572

    申请日：1985-04-15

    申请人： Kenneth Chyung ,  Reid F. Cooper ,  Kishor P. Gadkaree ,  Ronald L. Stewart ,  Mark P. Taylor

    发明人： Kenneth Chyung ,  Reid F. Cooper ,  Kishor P. Gadkaree ,  Ronald L. Stewart ,  Mark P. Taylor

    IPC分类号： C03B32/02 ,  C03C10/00 ,  C03C10/06 ,  C03C14/00 ,  C04B35/56

    CPC分类号： C03C10/0036 ,  C03C14/002 ,  C03C2214/02 ,  C03C2214/06 ,  C03C2214/20 ,  Y10T428/252

    摘要： The present invention is directed to SiC whisker and/or fiber reinforced glass-ceramic matrix composite articles wherein an alkaline earth aluminosilicate constitutes the predominant crystal phase. More particularly the composite articles will consist essentially of 10-60% by weight SiC whiskers and/or 15-70% by volume ceramic fibers and the glass-ceramic matrix will consist essentially, by weight on the oxide basis, of______________________________________ CaO 0-25 MgO 0-15 SrO 0-30 Na.sub.2 O 0-4 CaO + SrO 10-30 K.sub.2 O 0-6 Al.sub.2 O.sub.3 25-38 TiO.sub.2 0-12 SiO.sub.2 35-60 ZrO.sub.2 0-15 BaO 0-25 As.sub.2 O.sub.3 0-3 BaO + MgO + Na.sub.2 O + K.sub.2 O + TiO.sub.2 ZrO.sub.2 + As.sub.2 O.sub.3 0-30 ______________________________________ The preferred predominant crystal phase is selected from the group of anorthite and its pseudo-binaries, with mullite, cordierite, barium osumilite, and albite solid solution.

    摘要翻译： 本发明涉及SiC晶须和/或纤维增强玻璃 - 陶瓷基复合材料制品，其中碱土铝硅酸盐构成主要晶相。 更具体地，复合制品将基本上由10-60重量％的SiC晶须和/或15-70体积％的陶瓷纤维组成，并且玻璃 - 陶瓷基体将基本上由氧化物基础上由-CaO 0- 25 MgO 0-15 -SrO 0-30 Na2O 0-4 -CaO + SrO 10-30 K2O 0-6 -Al2O3 25-38 TiO2 0-12 -SiO2 35-60 ZrO2 0-15 -BaO 0-25 As2O3 0 -3BaO + MgO + Na2O + K2O + TiO2ZrO2 + As2O3 0-30 - 优选的主要结晶相选自钙长石及其伪二进制，与莫来石，堇青石，奥斯米石和钠长石固溶体相组合。

    Reinforced calcium aluminosilicate glass-ceramics
    3.
    发明授权
    Reinforced calcium aluminosilicate glass-ceramics 失效
    增强铝硅酸铝玻璃陶瓷

    公开(公告)号：US4755489A

    公开(公告)日：1988-07-05

    申请号：US943072

    申请日：1986-12-18

    申请人： Kenneth Chyung ,  Kishor P. Gadkaree ,  Ronald L. Stewart ,  Mark P. Taylor

    发明人： Kenneth Chyung ,  Kishor P. Gadkaree ,  Ronald L. Stewart ,  Mark P. Taylor

    IPC分类号： C03C3/062 ,  C03C3/097 ,  C03C10/00 ,  C03C10/06 ,  C03C14/00 ,  C04B35/56

    CPC分类号： C03C14/002 ,  C03C10/0036 ,  C03C2214/02 ,  C03C2214/06 ,  C03C2214/20

    摘要： The present invention is directed to the production of SiC whisker- and/or fiber-reinforced, internally-nucleated glass-ceramic matrix composite articles consisting essentially of 0.5-60% by weight SiC whiskers and/or 15-70% by volume ceramic fibers substantially uniformly distributed in a glass-ceramic matrix consisting essentially, in weight percent on the oxide basis, of 16-20%, CaO, 38.5-46% Al.sub.2 O.sub.3, 35-42% SiO.sub.2, and up to 10% total of at least one nucleating agent in the indicated proportion selected from the group consisting of 0.1-3% Cr.sub.2 O.sub.3, 0.25-3% HfO.sub.2, 2-5% MoO.sub.3, 0.25-3% Nb.sub.2 O.sub.5, 0.25-3% Ta.sub.2 O.sub.5, 0.25-3% WO.sub.3, and 1-10% ZrO.sub.2, wherein Al.sub.2 O.sub.3 is present in an amount which is at least 5 mole percent and up to 50 mole percent in excess of that present in stoichiometric triclinic anorthite, and wherein the predominant crystal phases in the glass-ceramic are triclinic anorthite and mullite and/or .alpha.-Al.sub.2 O.sub.3. Up to 1.5% As.sub.2 O.sub.3 may advantageously be included in the composition.

    摘要翻译： 本发明涉及生产基本上由0.5-60％（重量）SiC晶须和/或15-70％（体积）陶瓷纤维组成的SiC晶须和/或纤维增强的，内部成核的玻璃 - 陶瓷基复合材料 基本上均匀分布在基本上以氧化物为基准重量百分比为16-20％，CaO，38.5-46％Al2O3,35-42％SiO2和至多10％总共的至少一种 指定比例的成核剂选自0.1-3％Cr2O3,0.25-3％HfO2,2.5％MoO3,0.25-3％Nb2O5,0.25-3％Ta2O5,0.23％WO3和1％ -10％的ZrO 2，其中Al 2 O 3以至少5摩尔％且高达50摩尔％的量存在于化学计量的三斜钙石中存在，并且其中玻璃 - 陶瓷中的主要结晶相是三斜长岩和 莫来石和/或α-Al2O3。 高达1.5％的As2O3可以有利地包括在组合物中。