摘要
以天然气输送管道和桥梁为典型构造，对其对接接头进行疲劳裂纹扩展速率的实测，并按国内外标准进行断裂寿命估算，绘测出应力幅与寿命的关系曲线，从而给出了焊接结构寿命估算的完整方法。
The fatigue crack propagation rates of butt welded joints have been actuallymeasured with using natural gas pipeline and bridge as the typical structures.Thefracture life have been estimated according to the standards both domestic and abroad,and a curve of stress amplitude vs.life was obtained.A complete method forestimation of service life of welded structure is given in this paper.
出处
《焊接学报》
EI
CAS
CSCD
北大核心
1994年第3期154-159,共6页
Transactions of The China Welding Institution
关键词
断裂
疲劳裂纹扩展
寿命
焊接结构
fracture
propagation rate of fatigue crack
standard service life
