heat-affected zone crack

基本解释

The fatigue crack growth (FCG) behavior of the weld heat-affected zone of 14MnNbq bridge steel was systematically investigated in this paper.
从最弱链模型的物理本质出发，探讨了影响焊接热影响区脆性断裂的主要因素。
Micro characteristic of cracks propagation research: The path of crack propagation in the heat-affected zone and weld metal is the mix of transgranular and intergranular.
裂纹扩展的微观特征研究：在热影响区与焊缝区的裂纹扩展均为沿晶与穿晶混合型。
The welding method used was a PC-GMAW process with mixture gases shielding. Central crack for the welded plate was located in the fusion zone between welding seam and heat-affected zone.
焊接方法为脉冲熔化极混合气体保护焊，焊接板的中心裂纹处于焊缝与热影响区之间的熔合区。