The S-N curve equation and the fatigue cumulative damage model of metallic material and structure considering the damage and coaxing effect were detailed herein.

• 摘要给出了材料和结构在累积损伤的同时还具有强化作用的S-N曲线方程，并建立了程序载荷谱下产生损伤的同时还具有强化作用的疲劳累计损伤模型。