低温环境下十字形非传力角焊缝接头的疲劳性能

廖小伟,王元清,吴剑国,石永久

Fatigue performance of non-load-carrying cruciform fillet-welded joints at low ambient temperature

Xiao-wei LIAO,Yuan-qing WANG,Jian-guo WU,Yong-jiu SHI

图 5 室温和低温疲劳试件断口裂纹扩展形态

Fig.5 Crack growth morphology of fatigued specimens at room and low temperature