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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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循环频率对sic_w/6061al复合材料高温循环蠕变的影响
Keywords: 复合材料,蠕变,循环蠕变
Abstract:
？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
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