摘要
本文对铁路钢桥上使用的40B高强度螺栓进行了断裂失效分析、断件和断口检验,试验和计算均表明,螺栓的断裂失效是由大气应力腐蚀开裂导致的延滞断裂。
Failure analysis of the 40B fractured high strength bolts usedon railroad steel bridges are made in the paper. Examination ofthe failed bolts and their fractography experiment and calcula-tion show that such failure is due to stress-corrosion crackingin atmosphere.
出处
《西南交通大学学报》
EI
CSCD
北大核心
1990年第3期61-68,共8页
Journal of Southwest Jiaotong University
关键词
失效分析
螺栓
应力腐蚀开裂
大气腐蚀
铁路钢桥
failure analysis
bolts
stress--corrosion cracking
atmospheric corrosion
