Influence of oxide film on the performance of 6005A-T6 aluminum alloy BT-FSW joints

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Influence of oxide film on the performance of 6005A-T6 aluminum alloy BT-FSW joints
Vol. 48, Issue 3, Pages: 267-270(2018)
Published：2018
DOI：
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DOI：

CHEN Xiaoxia, LI Chong, WU Hao, et al. Influence of oxide film on the performance of 6005A-T6 aluminum alloy BT-FSW joints[J]. Eletric Welding Machine2018, 48(3): 267-270. DOI：

通过拉伸试验、弯曲试验和金相组织分析

研究氧化膜对6005A-T6铝合金双轴肩搅拌摩擦焊接头性能的影响。在不进行表面氧化膜处理的情况下

接头中会产生"C"形S线

接头抗拉强度184.3 MPa

为母材强度的72.2%

弯曲不合格;在进行表面氧化膜处理的情况下

接头中不存在明显的S线

接头分为焊核区(WNZ)、热机影响区(TMAZ)、热影响区(HAZ)和母材(BM)

接头抗拉强度219.3 MPa

为母材强度的86%

弯曲合格。

This paper studies the influence of oxide film on the performance of 6005 A-T6 aluminum alloy BT-FSW joints through the analysis of tensile test

bending test and microstructure. Without removing off oxidation film

the joint produces the C-shaped S line.The tensile strength of the joint is 184.3 MPa

72.2% of the strength of the parent material. The bending of the joint is not qualified.With removing off oxidation film

the joint does not show an obvious S line. The joint is divided into WNZ

TMAZ

HAZ and BM. The tensile strength of the joint is 219.3 MPa

86% of the strength of the parent material. The bending of the joint is qualified.

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