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    • 25. 发明申请
    • Carbon-carbon composite article manufactured with needled fibers
    • 用针刺纤维制成的碳 - 碳复合制品
    • US20060177663A1
    • 2006-08-10
    • US11053390
    • 2005-02-08
    • Allen SimpsonSlawomir FryskaMark La ForestMark James
    • Allen SimpsonSlawomir FryskaMark La ForestMark James
    • C01B31/02B32B9/00
    • F16D69/023C04B35/6267C04B35/83C04B2235/5268C04B2235/616C04B2235/77Y10T428/30
    • Method of making a carbon-carbon composite article such as an aircraft brake disc. The method includes: selecting carbon fiber precursors, having limited shrinkage in the axial direction when carbonized, in the form of individualized chopped or cut fibers; placing the selected chopped or cut carbon fiber precursors into a preform mold configured in the form of a brake disc to form a fibrous matrix; and then needling the molded fibrous matrix to provide it with three-dimensional structural integrity and to reduce layering. The carbon fiber precursor matrix may subsequently be infused with liquid carbon matrix precursor, the impregnated matrix may be carbonized; e.g., at 600-1800° C. for 1-10 hours to provide a preform having a density of at least about 1.1 g/cc, and the carbonized preform may be further densified to a density of at least about 1.6 g/cc by known liquid resin infiltration techniques and/or by conventional CVI/CVD processing.
    • 制造碳 - 碳复合制品如飞机制动盘的方法。 该方法包括:选择碳纤维前体,当碳化时轴向收缩受限,以个体化切碎或切割纤维的形式; 将所选择的切碎或切割的碳纤维前体放入配置成制动盘形式的预成型模具中以形成纤维基质; 然后针刺成型的纤维基质以提供三维结构完整性并减少分层。 随后可以将碳纤维母体基体注入液态碳基质前体,浸渍的基质可以被碳化; 例如在600-1800℃下加热1-10小时以提供密度为至少约1.1g / cc的预​​型体,并且碳化预成型件可进一步致密化至至少约1.6g / cc的密度,由 已知的液体树脂渗透技术和/或通过常规CVI / CVD处理。