摘要
本文将高匹配焊缝或热影响区(HAZ)淬硬层中含纵向裂纹的焊接接头简化为硬夹层含平行裂纹的力学不均匀体模型.通过试验研究了力学不均匀性对接头断裂韧性和裂纹开裂角的影响.同时在试验中采用密(?)云纹方法,直观显示了裂纹面附近位移场的分布。
In the paper welded joints with a crack in transverse overmatched weld or HAZ were simplified into a model in which a transverse hard layer contains a crack parallel to the interfaces. Effects of mechanical heterogeneity on fracture toughness and crack deviation angle of the joints were investigated by experiment. Meanwhile, moire method was used to observe the displacement distribution in the vicinity of the crack surfaces.
出处
《焊接学报》
EI
CAS
CSCD
北大核心
1993年第1期12-15,共4页
Transactions of The China Welding Institution
关键词
焊接接头
断裂韧性
力学不均匀性
welded joints
fracture toughness
mechanical heterogeneity
