本文针对MoSi2材料室温下韧性差的缺点,进行了对MoSi2室温增韧的研究并采用热压烧结技术制备了五氧化二钽(Ta2O5)改性MoSi2复合材料.研究了不同Ta2O5粉末掺量对MoSi2材料性能的影响,测试了纯MoSi2和掺杂Ta2O5改性MoSi2材料的室温力学性能.研究结果表明:在MoSi2体系中加入Ta2O5后,随着Ta2O5含量的增加,复合材料的整体室温力学性能得到改善;Ta2O5在MoSi2体系的增韧机制取决于它的分散状态.
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