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    • 15. 发明申请
    • HIGH-STRENGTH REFRACTORY FIBROUS MATERIALS
    • 高强度耐火纤维材料
    • WO2016073504A1
    • 2016-05-12
    • PCT/US2015/058865
    • 2015-11-03
    • DYNETICS, INC.
    • MAXWELL, James, L.WEBB, NicholasHOOPER, RyanALLEN, James
    • B32B5/00
    • C23C16/483C04B35/58C04B35/58007C04B35/58028C04B35/62272C04B35/62277C04B35/62286C04B2235/5296C23C16/08C23C16/20C23C16/486C23C16/50C23C16/52D01F8/18D01F9/127D04H1/4242
    • The disclosed materials, methods, and apparatus, provide novel ultra-high temperature materials (UHTM) in fibrous forms/structures; such "fibrous materials" can take various forms, such as individual filaments, short-shaped fiber, tows, ropes, wools, textiles, lattices, nano/microstructures, mesostructured materials, and sponge-like materials. At least four impmiant classes of UHTM materials are disclosed in this invention: (1) carbon, doped-carbon and carbon alloy materials, (2) materials within the boron-carbon-nitride-X system, (3) materials within the silicon-carbon-nitride-X system, and (4) highly-refractory materials within the tantalum-hafniumcarbon- nitridc-X and tantalum-hafnium-carbon-boron-nitride-X system. All of these material classes offer compounds/mixtures that melt or sublime at temperatures above 1800 degrees Celsius -and in some cases are among the highest melting point materials known (exceeding 3000 degrees Celsius). In many embodiments, the synthesis/ fabrication is from gaseous, solid, semi-solid, liquid, critical, and supercritical precursor mixtures using one or more low molar mass precursor(s), in combination with one or more high molar mass precursor(s).
    • 所公开的材料,方法和装置,以纤维形式/结构提供新的超高温材料(UHTM); 这种“纤维材料”可以采取各种形式,例如单丝,短形纤维,丝束,绳索,羊毛,纺织品,格子,纳米/微结构,介观结构材料和海绵状材料。 本发明中公开了至少四种不透明的UHTM材料:(1)碳,掺杂碳和碳合金材料,(2)硼氮化物-X系统内的材料,(3)硅 - 碳氮化物-X系统和(4)钽 - 铪碳氮化物-X和钽 - 铪 - 碳 - 氮化硼-x体系中的高耐火材料。 所有这些材料类都提供在高于1800摄氏度的温度下熔化或升华的化合物/混合物,并且在某些情况下是已知的最高熔点材料(超过3000摄氏度)。 在许多实施方案中,合成/制备来自使用一种或多种低摩尔质量前体与一种或多种高摩尔质量前体(s)的气态,固体,半固体,液体,临界和超临界前体混合物 )。