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    • 6. 发明申请
    • MULTI-LAYER FIBER COATING CONTAINING A SIC AND BN COATING LAYER
    • 包含SIC和BN涂层的多层光纤涂层
    • WO2014159557A1
    • 2014-10-02
    • PCT/US2014/024175
    • 2014-03-12
    • ROLLS-ROYCE CORPORATION
    • LAZUR, Andrew J.
    • C04B35/565C04B35/628C04B35/80
    • C09D1/00C04B35/565C04B35/62863C04B35/62868C04B35/62871C04B35/62873C04B35/62884C04B35/62894C04B35/62897C04B35/806C04B2235/3826C04B2235/428C04B2235/5244C04B2235/5248C04B2235/614C04B2235/75D06M11/58D06M11/74D06M11/77D06M11/80Y10T428/24975
    • A multi-layer fiber coating is provided which, in an illustrative embodiment, includes: a ceramic grade Nicalon preform; a silicon carbide coat applied over the fibers; a boron nitride interface coat applied over the silicon carbide coat; wherein the boron nitride coat has a thickness of about 0.5 micron; a silicon carbide coat applied over the boron nitride coat; and wherein the silicon carbide has a thickness of about 2 micron. A multi-layer fiber coating, comprising: a Tyranno Lox-M fiber coated in tow form with 1 micron of silicon carbide by a chemical vapor deposition process and about 1 micron of silicon nitride; a silicon doped boron nitride coat is applied over the about 1 micron of silicon nitride; and wherein the doped boron nitride coat has a thickness of 0.3 micron is also provided. A multi-layer fiber coating, comprising: a T-300 carbon fiber preform; a coat that is graded from PyC to SiC is applied over the T-300 carbon fiber preform; wherein the graded PyC to SiC coat has a thickness of about 1.5 micron; a silicon doped boron nitride interface coat is applied over the graded PyC to SiC coat; wherein the silicon doped boron nitride interface coat has a thickness of about 0.5 micron; and a silicon carbide coat of 2 micron is applied over the silicon doped boron nitride interface coat, is also provided.
    • 提供了多层纤维涂层,其在说明性实施例中包括:陶瓷级Nicalon预制件; 涂覆在纤维上的碳化硅涂层; 施加在碳化硅外壳上的氮化硼界面涂层; 其中所述氮化硼涂层具有约0.5微米的厚度; 涂覆在氮化硼涂层上的碳化硅涂层; 并且其中所述碳化硅具有约2微米的厚度。 一种多层纤维涂层,包括:通过化学气相沉积工艺和约1微米的氮化硅,用丝束形式涂覆1微米碳化硅的Tyranno Lox-M纤维; 在约1微米的氮化硅上施加硅掺杂的氮化硼涂层; 并且还提供了掺杂的氮化硼涂层的厚度为0.3微米。 一种多层纤维涂层,包括:T-300碳纤维预成型体; 将从PyC分级到SiC的涂层施加在T-300碳纤维预制件上; 其中分级的PyC至SiC涂层具有约1.5微米的厚度; 将硅掺杂的氮化硼界面涂层施加在分级的PyC至SiC涂层上; 其中所述硅掺杂的氮化硼界面涂层具有约0.5微米的厚度; 并且还提供2微米的碳化硅涂层施加在掺硅的氮化硼界面涂层上。
    • 8. 发明申请
    • RAPID CERAMIC MATRIX COMPOSITE PRODUCTION METHOD
    • 快速陶瓷基复合材料生产方法
    • WO2014159178A1
    • 2014-10-02
    • PCT/US2014/022389
    • 2014-03-10
    • LAZUR, Andrew, J.CHAMBERLAIN, Adam, L.
    • LAZUR, Andrew, J.CHAMBERLAIN, Adam, L.
    • C04B35/573C04B35/628C04B35/80
    • C04B35/806C04B35/573C04B35/6286C04B35/62863C04B35/62868C04B35/62873C04B35/62884C04B35/62894C04B35/62897C04B2235/3826C04B2235/421C04B2235/422C04B2235/5244C04B2235/5248C04B2235/614C04B2235/616C23C16/045C23C16/32C23C16/325C23C16/342
    • A method of producing a ceramic matrix composite comprising: a) applying a fiber interface coating to the composite, b) coating the composite via chemical vapor infiltration, and c) infiltrating the composite with molten material, wherein the composite is not removed from a tool between steps (a), (b), and (c), wherein the fiber interface coating and the chemical vapor infiltration are forced flow processes, wherein the forced flow fiber interface coating applies a pressure gradient of about 0.005 to about 1.0 atm, wherein the coating is carbon, boron nitride, or silicon doped boron nitride, wherein the chemical vapor infiltration applies silicon carbide, silicon nitride carbide, boron carbide, or carbon as a coating, wherein the coating is about 0.1 [micro]m to about 15.0 [micro]m, wherein the ceramic matrix composite is a tool, wherein the molten material comprises an alloy, wherein the molten material comprises silicon carbide, carbon, or a ceramic particulate, wherein the composite is multi-layered, wherein at least one layer comprises at least one of a carbide, a nitride, a boride, or carbon, for instance one layer is silicon carbide or boron nitride.
    • 一种制备陶瓷基质复合材料的方法,包括:a)将纤维界面涂层施加到复合材料上,b)通过化学气相渗透涂覆复合材料,以及c)用熔融材料渗透复合材料,其中复合材料不被从工具中去除 在步骤(a),(b)和(c)之间,其中纤维界面涂层和化学气相渗透是强制流动过程,其中强制流动纤维界面涂层施加约0.005至约1.0atm的压力梯度,其中 涂层是碳,氮化硼或掺杂硅的氮化硼,其中化学气相渗透应用碳化硅,氮化碳,碳化硼或碳作为涂层,其中涂层为约0.1μm至约15.0μm, 其中所述陶瓷基质复合材料是工具,其中所述熔融材料包括合金,其中所述熔融材料包括碳化硅,碳或陶瓷颗粒,其中所述复合材料 是多层的,其中至少一层包括碳化物,氮化物,硼化物或碳中的至少一种,例如一层是碳化硅或氮化硼。