| 冷金属过渡下熔融铝合金在钢板上润湿铺展的数值模拟 |
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| 引用本文： | 曾承宗,林巧力,曹睿,陈剑虹.冷金属过渡下熔融铝合金在钢板上润湿铺展的数值模拟[J].焊接学报,2017,38(3):57-61. |
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| 作者姓名： | 曾承宗 林巧力 曹睿 陈剑虹 |
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| 作者单位： | 兰州理工大学 省部共建有色金属先进加工与再利用国家重点实验室, 兰州 730050 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 采用Fluent软件对冷金属过渡条件下第一个周期内熔融铝合金在Q235钢板上润湿及凝固进行了分析和研究，得出温度场对金属凝固的影响和两者对熔滴润湿铺展能力的影响，以及不同初始参数对熔融铝合金在Q235钢板表面润湿行为的影响.结果表明，熔融铝合金首先在三相线处开始凝固，这与温度场的分布相一致；已凝固的金属对熔融铝合金的铺展起到一定的阻碍作用；随着初始温度的增加湘线附近局部凝固的固柏体减小，熔融铝合金在Q235钢板上表现出好的润湿性.
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| 关 键 词： | 冷金属过渡 铝合金-钢 润湿铺展 数值模拟 |
| 收稿时间： | 2015/4/4 0:00:00 |
Simulation of spreading of molten Al alloy on Q235 steel under the cold metal transfer condition |
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| ZENG Chengzong,LIN Qiaoli,CAO Rui and CHEN Jianhong.Simulation of spreading of molten Al alloy on Q235 steel under the cold metal transfer condition[J].Transactions of The China Welding Institution,2017,38(3):57-61. |
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| Authors: | ZENG Chengzong LIN Qiaoli CAO Rui and CHEN Jianhong |
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| Affiliation: | State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China |
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| Abstract: | The Fluent software was used to study the wetting and solidification behavior of molten Al alloy on Q235 steel surface in the first cycle of cold metal transfer process. The effect of the temperature field on solidification, and their coordination on the wettability of molten drops, and the effect of different initial temperatures on wetting behavior were respectively discussed. The results showed that the molten Al alloy primarily began to solidify at the close of triple line, which is consistent with the distribution of temperature field. The solidified metal blocked the spreading of molten Al to a certain extent. The molten Al alloy showed good wettability on Q235 steel plate with the increase of initial temperature. |
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| Keywords: | cold metal transfer aluminum alloy-steel spreading wetting numerical simulation |
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