采用X射线衍射(XRD)、光学显微镜(OM)、扫描电镜(SEM)及材料试验机等分析测试手段,研究了TiB2含量对原位合成TiB2/Fe基复合材料的微观结构及拉伸性能的影响.试验结果表明,增强相TiB2颗粒均匀分布于α-Fe基体中,对基体有显著的强化效果;随着TiB2含量的增加,复合材料抗拉和屈服强度也随之增加,而延伸率呈下降趋势.
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