对体积分数为15%和28%的SiCw/6061Al复合材料进行了同相和反相热机械疲劳(TMF)实验,研究了疲劳过程中的应力应变行为和变形机制结果表明,两种材料在同相和反相加载下均表现为循环软化;反相加载产生拉伸平均应力,同相加载产生压缩平均应力;在相同应变范围下,高体积分数复合材料的循环应力范围比低体积分数复合材料的应力范围大.
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