城市轨道交通客车异种钢焊接工艺性能研究
周勇胡立国冯朝明韩晓茹张野郭猛裴起郭帅
Dissimilar Steel Welding Process Performance for Urban Rail Transit Vehicles
ZHOU YongHU LiguoFENG ChaomingHAN XiaoruZHANG YeGUO MengPEI QiGUO Shuai
-
作者信息:中车长春轨道客车股份有限公司工程技术中心， 130062， 长春
-
Affiliation:Engineering Technology Center, CRRC Changchun Railway Vehicles Co., Ltd., 130062, Changchun, China
-
关键词:
-
Key words:
-
DOI:10.16037/j.1007-869x.2022.02.021
-
中图分类号/CLCN:U270.6;TG44
-
栏目/Col:研究报告
摘要:
针对某城市轨道交通客车底架端部中枕梁组成(550W碳钢)与纵梁组成(301LN不锈钢)之间的异种钢焊接工艺性能，根据相关资料及标准，选择气体保护电弧焊(GMAW)，使用ER309LSi焊丝进行焊接工艺试验。通过探伤检测、力学性能检测、低倍焊缝组织观察及硬度检测等方式，验证550W碳钢和301LN不锈钢之间的焊接工艺性能。结果表明，试样拉伸、弯曲性能良好，满足相关标准要求；焊缝接头检测合格，焊缝区域熔深及熔合质量满足标准要求。由此确定了550W碳钢和301LN不锈钢异种钢焊接工艺的可行性。
Abstracts:
Aiming at the welding performance of dissimilar steel between the compositions of pillow beam (560W carbon steel) and longitudinal beam (301LN stainless steel) at the bottom end of an urban rail transit vehicle, according to the relevant data and standards, the gas metal arc welding (GMAW) method is adopted and ER309LS1 welding wire is used for a welding process test. The welding process performance between 550w and 301LN dissimilar steels is verified by means of flaw detection, mechanical properties, observation of low power weld microstructure and hardness testing. Results show that the tensile and bending properties of the samples are good and can meet the requirements of relevant standards. The weld joint is also qualified, the weld penetration and fusion quality both meet the standard requirements. Thus, the feasibility of the dissimilar steel welding process between 560W carbon steel and 301LN stainless steel are determined.
引文 / Ref:
周勇, 胡立国, 冯朝明. 城市轨道交通客车异种钢焊接工艺性能研究. 城市轨道交通研究, 2022, 25(2): 82.
ZHOU Yong, HU Liguo, FENG Chaoming. Dissimilar steel welding process performance for urban rail transit vehicles. Urban Mass Transit, 2022, 25(2): 82.
ZHOU Yong, HU Liguo, FENG Chaoming. Dissimilar steel welding process performance for urban rail transit vehicles. Urban Mass Transit, 2022, 25(2): 82.
过刊浏览
资料下载
友情链接