ZL205A增材再制造工艺参数优化研究  

Research on the Optimization of Process Parameters for ZL205A Additive Remanufacturing

作　　者：杨永生 戚艳玲 李超超 李翔宇 俞亮 YANG Yong-sheng;QI Yan-ling;LI Chao-chao;LI Xiang-yu;YU Liang(The 713 Research Institute of CSSC,Zhengzhou 450015,Henan,China;The Mechanical Engineering Academy of Yangzhou University,Yangzhou 225127,Jiangsu,China)

机构地区：[1]中国船舶集团有限公司第七一三研究所,河南郑州450015 [2]扬州大学机械工程学院,江苏扬州225127

出　　处：《铸造》2024年第12期1721-1728,共8页Foundry

摘　　要：为解决船用ZL205A铝合金部件损坏后修复过程繁琐、成本高且周期长的问题,开展了ZL205A铝合金电弧增材再制造的关键工艺参数研究。通过对单层单道焊缝的宽高比与稀释率、显微硬度及其XRD图、摩擦学性能、电化学性能、单道多层焊缝层间冷却时间和多道单层焊缝搭接率的影响等进行综合分析,获得了焊接速度、送丝速度、干伸长、层间等待时间、搭接率等较优工艺参数组合,并开展样件试验验证。研究成果可为船用装备高质量和快速修复提供理论依据和技术保证。In order to solve the problems of cumbersome,high cost,and long cycle repair process for damaged ZL205A aluminum alloy components in ships.The key process parameters for arc additive remanufacturing of ZL205A aluminum alloy were carried out.A comprehensive analysis was conducted on the effects of single-path and single-layer welds of aspect ratio and dilution rate,microhardness and its XRD patterns,frictional performance,electrochemical performance,interlayer cooling time of sigle-path and multi-layer welds,and overlap rate of single-layer and multiple-path welds.The optimal process parameters combination such as welding speed,wire feeding,dry elongation,interlayer waiting time,and overlap rate were obtained.And sample tests were conducted to verify the results.The research results can provide theoretical basis and technical guarantee for high-quality and rapid repair of marine equipment.

关 键 词：ZL205A 增材再制造 工艺参数 快速修复 

分 类 号：TG456[金属学及工艺—焊接] TG457