徐振,赵志浩,韩东月,陈庆强,崔建忠.Si含量及热处理对Al-Si-Mg铝合金焊丝堆焊层耐磨性的影响[J].稀有金属材料与工程,2016,45(1):71~74.[Xu Zhen,Zhao Zhihao,Han Dongyue,Chen Qingqiang,Cui Jianzhong.Effects of Si content and aging temperature on the wear resistance property of the surfacing layers welded with 4043 aluminum[J].Rare Metal Materials and Engineering,2016,45(1):71~74.]
Si含量及热处理对Al-Si-Mg铝合金焊丝堆焊层耐磨性的影响
投稿时间:2014-06-20  修订日期:2014-07-04
中文关键词:  表面堆焊  耐磨性  显微组织  性能  热处理
基金项目:Fundamental Research Funds for the Central Universities (No. N120309002) and (No. N130709001)
中文摘要:
      4043铝合金焊丝熔化后流动性良好,焊后不易产生结晶裂纹,广泛适用于6000系铝合金的焊接。使用4043铝合金焊丝在材料表面堆焊,可以修复部分材料表面出现划伤与磨损。本研究中,使用4043铝合金焊丝,配合钨极惰性气体保护焊进行表面堆焊实验,使用金相显微镜,扫描电镜,硬度测试及耐磨性测试等分析检测手段研究了Si含量及热处理工艺对焊后堆焊层耐磨性的影响。结果表明,提高焊丝中Si含量可以增加共晶硅颗粒的数量。而热处理可以有效球化共晶硅颗粒,显著提高堆焊层的耐磨性。
Effects of Si content and aging temperature on the wear resistance property of the surfacing layers welded with 4043 aluminum
英文关键词:surfacing weld  wear resistance  microstructure  properties  heat treatment
英文摘要:
      4043 aluminum welding wire has been extensively used for welding 6000 series aluminum alloys due to the good flow ability of the fusion state and low cracking tendency during welding process. Some scratches and wear on the surface of aluminum structural components can be repaired by surface welding with the 4043 aluminum welding wires. In the present study, the influence of Si content and aging temperature on the wear resistance property of the surfacing layers welded by tungsten inert gas (TIG) welding using the 4043 aluminum welding wires has been analyzed by optical microscopy, scanning electron microscopy, hardness testing and abrasive wear testing. The results showed that increase in Si content increased the fraction of eutectic Si particles. The heat treatment spheroidized eutectic Si particles and further improved the wear resistance property of the surfacing layers.
作者单位E-mail
徐振 辽宁省沈阳市东北大学材料电磁过程教育部重点实验室 neuxuzhen@163.com 
赵志浩 辽宁省沈阳市东北大学材料电磁过程教育部重点实验室 zzh@epm.neu.edu.cn 
韩东月 辽宁省沈阳市东北大学材料电磁过程教育部重点实验室  
陈庆强 辽宁省沈阳市东北大学材料电磁过程教育部重点实验室  
崔建忠 辽宁省沈阳市东北大学材料电磁过程教育部重点实验室  
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