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    • 7. 发明申请
    • Manufacture and use of engineered carbide and nitride composites
    • 工程化碳化物和氮化物复合材料的制造和使用
    • US20090156385A1
    • 2009-06-18
    • US10977344
    • 2004-10-29
    • Giang BiscanHamid HojajiDavid Leslie MelmethThinh PhamMark G. StevensHuagang Zhang
    • Giang BiscanHamid HojajiDavid Leslie MelmethThinh PhamMark G. StevensHuagang Zhang
    • C03C14/00C04B35/565C04B35/577
    • C03C11/007C03C14/00C04B35/18C04B35/19C04B35/522C04B2235/3418C04B2235/3427C04B2235/3826
    • Carbides and nitrides are provided containing a controlled amount of pre-determined diluents and methods for their manufacture and use are disclosed. The pre-determined diluents include at least one of the silica, silicon metal, carbon, alumina, boron oxide, alkaline earth oxides such as calcium oxide, magnesium oxide, alkali oxides such as sodium oxide, potassium oxide, iron oxide, titanium oxide, and other components typically present in glass, ceramics, or metals. The carbides and nitrides with pre-determined diluents are formed by optionally pyrolyzing a precursor material to form a carboneous mixture and heat treating the carboneous mixture for a pre-determined time and at an elevated temperature during which carbon and/or nitrogen reacts with silica in the mixture to form carbides and/or nitrides and controlled amounts of pre-determined diluents. The carbides and nitrides disclosed herein may be used as blowing agents in a glass, ceramic, or metal forming processes or for promoting dispersion of the carbides and nitrides throughout a glass, ceramic, or metal composite.
    • 提供含有受控量的预定稀释剂的碳化物和氮化物,并且公开了用于其制造和使用的方法。 预定稀释剂包括二氧化硅,硅金属,碳,氧化铝,氧化硼,碱土金属氧化物如氧化钙,氧化镁,碱金属氧化物如氧化钠,氧化钾,氧化铁,氧化钛, 和通常存在于玻璃,陶瓷或金属中的其它组分。 具有预定稀释剂的碳化物和氮化物通过任选地热解前体材料以形成碳摩尔混合物并在预定时间内和在碳和/或氮与二氧化硅反应的高温下热处理所述含碳混合物而形成 该混合物形成碳化物和/或氮化物和受控量的预定稀释剂。 本文公开的碳化物和氮化物可用作玻璃,陶瓷或金属形成方法中的发泡剂,或用于促进碳化物和氮化物在玻璃,陶瓷或金属复合材料中的分散。