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在测试应力范围内,SiCW/6061Al复合材料在196℃显示循环蠕变加速而在350℃显示循环蠕变减速在0~0.5Hz范围内,随着频率的增加,温度较低时循环蠕变应力指数增加而激活能降低,温度较高时应力指数与激活能同时增加当频率增加到1Hz时则偏离上述趋势
Within the test stress range, SiCW / 6061Al composites exhibit cyclic creep acceleration at 196 ° C and cyclic creep decelerations at 350 ° C in the 0-0.5 Hz range with increasing frequency and cyclic creep stress at lower temperatures Exponential increase in activation can be reduced at higher temperatures, stress index and activation energy increase at the same time when the frequency increases to 1Hz deviation from the above trend