纤维体积分数对炭/炭复合材料性能的影响  

Effects of various fibre volume fraction on the performances of C/C composite

作　　者：方勋华[1] 黄启忠[1] 刘根山[1] 

机构地区：[1]粉末冶金国家重点实验室,长沙410083

出　　处：《粉末冶金材料科学与工程》2001年第3期247-250,共4页Materials Science and Engineering of Powder Metallurgy

基　　金：国家重点工业试验性项目"炭/炭航空刹车材料的研制"(计高技(1998)1817)

摘　　要：通过对不同纤维体积分数的炭/炭复合材料进行力学性能,导热、导电性能试验,分析了纤维体积分数对炭/炭复合材料性能的影响.结果表明,初始坯体的纤维体积分数对炭/炭复合材料的力学性能影响较大;导热、导电性能则与材料内部结构有关而与纤维体积分数的关系不大.当预制坯体的纤维体积分数在25％～30％时,炭/炭复合材料的力学、导热、导电性能为最好.The effects of fibre volume fraction on performances of C/C composite were studied through the sam-ple tests of various fibre volume fractions. The results show that the original fibre volume fraction hasgreat effects on the mechanical performance of C/C composite while has little effects on thermal conducti-vity and electrical conductivity, the inner construction of composite has much influence on the conductivi-ty. The original proper fibre volume fraction is between 25% and 30%.

关 键 词：炭/炭复合材料 纤维体积分数 石墨化处理 导热性能 导电性能 

分 类 号：TB332[一般工业技术—材料科学与工程]