摘要基于临界平面方法，提出一种用于纤维增强复合材料的多轴疲劳损伤参量，研究了复合材料多轴疲劳损伤特徵。

• A multiaxial fatigue damage parameter for fibre-reinforced composite was presented based on critical plane approach and the multiaxial fatigue damage characteristics of composite were investigated.