研究了PET短纤维和硅灰石晶须混杂增强硅树脂复合材料的拉伸性能.结果表明,相对少量硅灰石晶须加入到PET/硅树脂体系中会降低PET纤维的增强效果,材料的拉伸强度降低,但当硅灰石晶须的加入量很多时,材料的拉伸强度反而会明显提高.笔者对硅灰石晶须的加入量对PET短纤维增强系数的影响进行了定量分析.
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