heat-affected zone crack

基本解釋

The fatigue crack growth (FCG) behavior of the weld heat-affected zone of 14MnNbq bridge steel was systematically investigated in this paper.
從最弱鏈模型的物理本質出發(fā)，探討了影響焊接熱影響區(qū)脆性斷裂的主要因素。
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.
裂紋擴展的微觀特征研究：在熱影響區(qū)與焊縫區(qū)的裂紋擴展均為沿晶與穿晶混合型。
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.
焊接方法為脈沖熔化極混合氣體保護焊，焊接板的中心裂紋處于焊縫與熱影響區(qū)之間的熔合區(qū)。