The fatigue crack growth test results show that the FCGRs of 2024-T62 aluminium alloy are retarded significantly after LSP, which reveals that arresting crack by LSP is pratical.

• 疲劳裂纹扩展试验结果表明：激光冲击处理可以显著地降低疲劳裂纹扩展速率，作为止裂工艺是可行的。