应用Instron 材料试验机考察了室温下拉伸速率对玻璃微珠填充聚丙烯复合材料的弹性模量和屈服强度的影响.结果表明,随着微珠含量的增加,试样的弹性模量(Ec)增大,且与拉伸应变速率呈近乎幂律函数关系,而屈服强度(σyc)则随着微珠体积分数(φf)的增加呈非线性函数形式下降,并随着拉伸应变速率的增加呈幂律函数形式提高.此外,讨论了Ec、φf与σyc三者之间的关系.
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