Microstructure and mechanical properties of two Al alloys welded by linear friction weld

Microstructure and mechanical properties of two Al alloys welded by linear friction weld
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两种铝合金线性摩擦焊缝的显微组织与力学性能

DOI:
10.1016/j.msea.2021.141261
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发表时间:
2021
期刊:
A
影响因子:
--
通讯作者:
Xie S
Xie S
中科院分区:
--
文献类型:
--
作者:
Xie S

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在本研究中,两种高强度铝合金 AA2050 和 AA7010 使用线性摩擦焊接 (LFW) 连接在一起。已经检查了线性摩擦焊接过程中沿焊缝形成的微观结构演变。还评估了它们对机械性能的影响。获得了干净的焊接区域,其中没有微裂纹、微孔和氧化物。焊件上发生动态再结晶(几乎完全和部分)。观察到中心焊缝区 (CWZ) 和热机械影响区 (TMAZ) 中“母体”析出物的溶解,从而导致与母体材料相比硬度和强度降低。
Two high strength Al alloys AA2050 and AA7010 have been joined using linear friction welding (LFW) in this study. Microstructural evolution across the weld line developed during linear friction welding has been examined. Their effects on mechanical properties have also been evaluated. A clean weld region where there is free of microcracking, microporosity, and oxides, was obtained. Dynamic recrystallization (nearly full and partial) took place on the weldment. Dissolution of ‘parent’ precipitates in centre weld zone (CWZ) and thermomechanical affected zone (TMAZ) was observed, thus leading to lower hardness and strength compared with the parent materials.
DOI: 10.1016/j.compositesa.2010.03.009
发表时间: 2010-09
影响因子: 8.7
作者:
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通讯作者: F. Rotundo;L. Ceschini;A. Morri;T. Jun;A. Korsunsky
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DOI: --
发表时间: 2018
期刊:
影响因子: --
作者:
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发表时间: 2019-04-25
影响因子: 6.2
作者:
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通讯作者: Pesin, Alexander M.