公开(公告)号：US06699427B2

公开(公告)日：2004-03-02

申请号：US10205859

申请日：2002-07-26

申请人： Dai Huang ,  Irwin C. Lewis ,  William David Cate ,  Richard T. Lewis

发明人： Dai Huang ,  Irwin C. Lewis ,  William David Cate ,  Richard T. Lewis

IPC分类号： B29B1116

CPC分类号： C04B35/522 ,  C04B35/521 ,  C04B35/645 ,  C04B35/83 ,  C04B2235/48 ,  C04B2235/77 ,  C04B2235/96 ,  C04B2235/9607 ,  H05B3/0004 ,  H05B3/60 ,  H05B6/22

摘要： A mixture of carbon-containing fibers, such as mesophase or isotropic pitch fibers, and a suitable matrix material, such as a milled pitch, is compressed while resistively heating the mixture to form a carbonized composite material having a density of about 1.5 g/cm3, or higher. The composite material is formed in under ten minutes. This is a significantly shorter time than for conventional processes, which typically take several days and achieve a lower density material. Consequently, carbon/carbon composite materials having final densities of about 1.6-1.8 g/cm3, or higher are readily achieved with one or two infiltration cycles using a pitch or other carbonaceous material to fill voids in the composite and rebaking.

摘要翻译： 将含碳纤维如中间相或各向同性沥青纤维以及适当的基质材料如磨碎沥青的混合物压缩，同时电阻加热混合物以形成密度为约1.5g / cm 2的碳化复合材料 <3>或更高。 复合材料在10分钟内形成。 这比通常需要几天并实现较低密度材料的常规工艺明显更短的时间。 因此，通过使用沥青或其他含碳材料填充复合材料中的空隙并进行重新组装，可以通过一次或两次渗透循环，容易地实现最终密度为约1.6-1.8g / cm 3或更高的碳/碳复合材料。