探讨了在疲劳/蠕变复合作用下聚苯乙烯的损伤交互作用.结果表明,在疲劳/蠕变复合作用下聚苯乙烯存在疲劳和蠕变的交互损伤,其断裂寿命比纯疲劳或纯蠕变的断裂寿命低;断裂机制是疲劳循环载荷松动和活化了分子链或链段,从而促进蠕变运动和断裂.并且,疲劳/蠕变的交互损伤程度与温度密切相关.
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