纤维长度对M/ZL109复合材料强度及可靠性的影响  

INFLUENCE OF FIBRE LENGTH ON UTS AND RELIABILITY OF MULLITE/ZL109 COMPOSITES

作　　者：赵平[1] 王珊玲[1] 高升吉[1] 沈保罗[1] 涂铭旌[1] 

机构地区：[1]四川联合大学,成都610065

出　　处：《理化检验（物理分册）》1999年第3期102-104,共3页Physical Testing and Chemical Analysis(Part A:Physical Testing)

基　　金：国家自然科学基金资助项目59631080

摘　　要：对在相同的挤压工艺参数的条件下,用具有不同的长度分布及平均长度的莫来石短纤维与ZL109复合得到复合材料,然后比较这些复合材料的抗拉强度及其分散度,考察和分析了纤维长度分布状况及平均长度对复合材料的强度及强度数据分散性的影响规津,发现纤维长度分布和纤维平均长度对短纤维增强金属基复合材料的强度有影响.尤其是能明显地影响复合材料的强度值波动范围;纤维平均长度越大,复合材料的强度值波动范围越大即材料的可靠性越低.The UTS and the reliability of squeeze cast ZL109 matrix composites reinforced by mullite fibre with different average length and length distribution have been analyzed. It was found that both factors will affect the UTS and, more significantly, reliability of the composites. Composites with bigger average fibre length has larg-er scattering range of UTS. and therefore lower reliability.

关 键 词：Mullite/ZL109复合材料 抗拉强度 可靠性 

分 类 号：TB331[一般工业技术—材料科学与工程]