通过调用焊接CCT图可以预测焊缝组织和性能，实现焊接工艺优化。
We can forecast the weld structure and mechanical properties according to data base on welding CCT-diagrams, optimize welding technology.
高功率激光焊接合金材料时，常常导致焊缝合金元素的损失，从而影响焊缝的组织和性能。
The use of high-power density laser beam to weld many alloys often leads to appreciable changes in the composition and properties of the weld metal.
影响闪光焊接头性能的最主要因素包括焊缝区域的温度场分布、闪光顶锻的工艺参数和焊缝区域出现的缺陷组织。
The quality of the FBW joint is mainly decided by temperature field distribution, process parameters during upsetting and the structure defects.
通过分析l 245钢埋弧焊焊缝区质量、微观组织和拉伸性能关系表明，焊接工艺参数的合理制定是低合金钢l 245焊管产生裂纹等缺陷的关键因素。
By analyzing the relation of microstructure, weld zone quality and tensile property, it is concluded that the welding technological parameter of L245 steel is the main factor of the welding crack.
结果表明，热输入对焊缝金属显微组织和力学性能性能有显著的影响。
The results reveal that heat inputs have a significant effect on microstructure and mechanical properties.
平衡铁素体和奥氏体两相组织在焊缝金属和热影响区中的比例，保证焊接接头的性能，是双相不锈钢焊接的基本要求。
The basic requirement of welding the steel 2205 is that the weld metal and heat-affected zone obtain a favorable phase balance and retain the performance as the base metal after welding.
平衡铁素体和奥氏体两相组织在焊缝金属和热影响区中的比例，保证焊接接头的性能，是双相不锈钢焊接的基本要求。
The basic requirement of welding the steel 2205 is that the weld metal and heat-affected zone obtain a favorable phase balance and retain the performance as the base metal after welding.
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