利用快速通电加热测试技术,模拟混杂碳/碳复合材料的超高温工作环境,测试了材料不同温度下的拉伸、压缩力学性能,得到了材料的拉伸、压缩强度与模量随温度的变化规律,并给出了相应的拟合曲线.结果表明:材料的强度和模量在一定范围内随温度的升高而增加,在2000 K～2400 K之间达到最大值,当温度超过2700 K后迅速下降.材料轴向的拉伸、压缩性能随温度的变化较横向缓慢,强度的变化范围较模量的小.
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