复合材料在常温、长时间、静载荷作用下就会产生蠕变。应用应力强化蠕变准则,采用隐式蠕变分析方法,对增强热塑料管电熔套筒和钢哈夫之间机械螺纹连接的PE螺纹进行了主蠕变的分析,得到了PE材料在1000小时的蠕变特性。
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