Wetting Behavior of 4043 Aluminum Alloy on Zn-coated and Sn-coated Steels Under Cold Metal Transfer Condition
SUI Ran1, LIU Lu2, LIN Qiaoli2,*
1 Department of Materials Engineering, Lanzhou Institute of Technology, Lanzhou 730050, China 2 State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
Abstract: The metallic coating on the steel surface is the key to ensure the wetting of aluminum/steel in the cold metal transfer welding process. The wetting of 4043 aluminum alloy on galvanized steel and tin-plated steel was studied under the cold metal transfer conditions. When there is a metallic coating with a low melting point on the steel surface, the wettability improvement involves at least two aspects :(i) increasing the surface energy of the solid by exposing the surface with a higher surface energy; (ii) reducing the surface tension of the liquid by alloying the metal coating. The effect of the zinc coating is to reduce the interfacial heat (at least 5.1% heat dissipation) through the volatilization of zinc, thereby limiting the thickness of the intermetallic compound layer. Under the condition of low heat input, the effect of tin coating makes the system have better wettability.
作者简介: 隋然,硕士,讲师。2010年毕业于吉林大学材料科学与工程学院,获得材料学工学硕士学位。主要从事金属的高温润湿性及润湿行为方面的研究。在Journal of Alloys and Compounds、Ceramics International、Journal of Rare Earths、Materials Chemistry and Physics、《焊接学报》等学术期刊发表多篇论文。 林巧力,兰州理工大学有色金属先进加工与再利用国家重点实验室教授、博士研究生导师。2006年毕业于佳木斯大学获得材料成型及控制工程学士学位,2011年毕业于吉林大学获得材料加工工程博士学位。主要从事高温润湿性与界面调控的研究,发表SCI收录论文60余篇。任机械工程学会焊接青委会委员、中国体视学学会材料分会理事、《材料工程》《航空材料学报》青年编委、《材料导报》优秀审稿专家、河北省科技奖励评审专家、国家自然科学基金评议专家、波兰自然科学基金评议专家(National Science Center, Poland)。先后主持了多项国家自然科学基金、教育部博士点基金等课题。
引用本文:
隋然, 刘禄, 林巧力. 冷金属过渡条件下4043铝合金分别在镀锌钢和镀锡钢表面的润湿行为[J]. 材料导报, 2022, 36(15): 21070041-5.
SUI Ran, LIU Lu, LIN Qiaoli. Wetting Behavior of 4043 Aluminum Alloy on Zn-coated and Sn-coated Steels Under Cold Metal Transfer Condition. Materials Reports, 2022, 36(15): 21070041-5.
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2022, Vol. 36 
