Carbon-coated reinforcing fibers and composite ceramics made therefrom
    2.
    发明授权
    Carbon-coated reinforcing fibers and composite ceramics made therefrom 失效
    碳涂层增强纤维和由其制成的复合陶瓷

    公开(公告)号:US5039635A

    公开(公告)日:1991-08-13

    申请号:US314451

    申请日:1989-02-23

    IPC分类号: C03C14/00 C04B35/80

    摘要: Fiber-reinforced ceramic matrix composite products are made by providing inorganic fiber reinforcement materials with pyrolytic carbon coatings, combining the carbon-coated fibers with a selected ceramic matrix material to make a composite preform, and consolidating the preform with heat and pressure to form the fiber-reinforced composite. Preferably, the peak consolidation temperature of the composite is moderated, with the retained pyrolytic carbon coating acting to preserve tough fracture behavior in the composite product notwithstanding the absence of the conventional graphitic fiber interface layer therefrom.

    摘要翻译: 纤维增强陶瓷基复合材料是通过提供无机纤维增强材料制成热解碳涂层,将碳涂层纤维与选定的陶瓷基体材料结合,制成复合预成型件,并用热和压力固化预制件以形成纤维 - 强化复合材料。 优选地,复合材料的峰值固结温度缓和,保留的热解碳涂层用于在复合产品中保持韧性断裂行为,尽管不存在常规的石墨纤维界面层。

    Coated fibers for ceramic matrix composites
    6.
    发明授权
    Coated fibers for ceramic matrix composites 失效
    陶瓷基复合材料的涂层纤维

    公开(公告)号:US5132254A

    公开(公告)日:1992-07-21

    申请号:US628624

    申请日:1990-12-17

    IPC分类号: C03C14/00

    摘要: Ceramic matrix composite articles comprising a matrix phase composed of a silicate glass or glass-ceramic and a matrix reinforcement material disposed within the matrix comprising carbon (e.g., graphite) fibers are described, wherein the fibers are provided with a protective boron nitride surface coating. The mechanical properties of the composites at high temperatures are substantially improved.

    摘要翻译: 描述了包括由硅酸盐玻璃或玻璃陶瓷构成的基体相和布置在包含碳(例如石墨)纤维的基体内的基质增强材料)的陶瓷基复合材料制品,其中纤维具有保护性氮化硼表面涂层。 复合材料在高温下的机械性能大大提高。

    Method for producing large metallic glass bodies
    7.
    发明授权
    Method for producing large metallic glass bodies 失效
    生产大型金属玻璃体的方法

    公开(公告)号:US4298382A

    公开(公告)日:1981-11-03

    申请号:US55176

    申请日:1979-07-06

    摘要: This invention relates to the production of large shapes of metallic glasses from finely-dimensioned ribbons powders, flakes, wires, fibers, or filaments thereof. The inventive method contemplates placing the precursor finely-dimensioned articles of metallic glass into contact with one another and then hot pressing the mass at temperatures in the close vicinity of the glass transition temperature with applied forces of at least 1000 psi. One metallic glass, Fe.sub.58 Cr.sub.14 Cu.sub.6 Si.sub.6 B.sub.6, which is readily shaped into bulk bodies via the inventive method, exhibits excellent resistance to attack by sea water.

    摘要翻译: 本发明涉及从精细尺寸的带状粉末,薄片,线,纤维或其细丝生产大型金属玻璃。 本发明的方法考虑将前体精细尺寸的金属玻璃制品彼此接触,然后在施加至少1000psi的力的玻璃化转变温度附近的温度下热压该物料。 通过本发明的方法容易地成形为块体的一种金属玻璃Fe58Cr14Cu6Si6B6显示出优异的耐海水侵蚀性。

    Battery separator
    8.
    发明授权
    Battery separator 失效
    电池分离器

    公开(公告)号:US5514494A

    公开(公告)日:1996-05-07

    申请号:US491766

    申请日:1995-06-19

    摘要: A battery assembly comprising a separator, spaced metal/metal oxide electrodes and a liquid electrolyte, the improvement comprising a rigid, porous, ceramic separator that is wettable by the liquid electrolyte, that has a porosity of 40-90 volume %, an average pore size in the range of 0.1-25 microns, a thickness of 1-12 mm, and a weight loss of not more than about 5% when exposed to H.sub.2 SO.sub.4 having a specific gravity of 1.28 for 72 hours at 70.degree.C.

    摘要翻译: 一种电池组件,包括隔离物,间隔开的金属/金属氧化物电极和液体电解质,该改进包括刚性多孔的陶瓷隔板,其可被液体电解质润湿,孔隙率为40-90体积%,平均孔 尺寸在0.1-25微米的范围内,厚度为1-12毫米,当在70℃暴露于比重为1.28的H 2 SO 4 72小时时,重量损失不超过约5%。

    Coated inorganic fiber reinforcement materials and ceramic composites
comprising the same
    9.
    发明授权
    Coated inorganic fiber reinforcement materials and ceramic composites comprising the same 失效
    包覆无机纤维增强材料和包含其的陶瓷复合材料

    公开(公告)号:US5418194A

    公开(公告)日:1995-05-23

    申请号:US512393

    申请日:1993-04-23

    IPC分类号: C03C14/00 C03C3/145

    摘要: Inorganic reinforcing fibers provided with a multi-layer protective coating comprising a boron nitride sublayer and an oxide-based overcoating of alumina or synthetic mica, and fiber-reinforced ceramic matrix composite products incorporating the protectively-coated fibers, are disclosed. The fibers offer improved oxidation resistance and good compatibility with oxide-based glass and glass-ceramic composite matrix materials.

    摘要翻译: 公开了具有多层保护涂层的无机增强纤维,其包含氮化硼层和氧化铝或合成云母的基于氧化物的外涂层,以及掺有保护性涂层纤维的纤维增强陶瓷基复合材料。 该纤维提供改善的抗氧化性和与氧化物基玻璃和玻璃 - 陶瓷复合基质材料的良好相容性。

    Spontaneously-formed machinable glass-ceramics
    10.
    发明授权
    Spontaneously-formed machinable glass-ceramics 失效
    自动成型的可加工玻璃陶瓷

    公开(公告)号:US4536452A

    公开(公告)日:1985-08-20

    申请号:US544841

    申请日:1983-10-24

    摘要: This invention is related to the production of machinable glass-ceramic articles which are essentially free from crystals having a mica structure and consist essentially, in weight percent, ofSiO.sub.2 : 24-28Al.sub.2 O.sub.3 : 9-20MgO: 12-28SrO: 0-11BaO: 0-14CuO: 0-5Ag.sub.2 O: 0-3.5NiO: 0-1.5Cr.sub.2 O.sub.3 : 0.5-6.5F: 2-9

    摘要翻译: 本发明涉及生产可机加工的玻璃陶瓷制品,其基本上不含具有云母结构的晶体,其重量百分比基本上由SiO 2:24-28 Al 2 O 3:9-20 MgO:12-28 SrO:0 -11 BaO:0-14 CuO:0-5 Ag2O:0-3.5 NiO:0-1.5 Cr2O3