The distribution of residual stress, residual stress indensity factor(SIF) and its effect on corrosion cracking behavior of Al-Zn-Mg-Cu (LC4) alloy in double cantilever beam (DCB) specimen under various aging temperature have been investigated.

• 研究了时效制度对Al－Zn－Mg－Cu合金（LC4）双悬臂梁（DCB）试样的残余应力分布及其对应力强度因子、腐蚀开裂行为的影响。