The analysis of reasons for defects formation in aluminum joints created using RFSSW technology

被引:18
作者
Adamus, Janina [1 ]
Adamus, Konrad [1 ]
机构
[1] Czestochowa Tech Univ, Ul JH Dabrowskiego 69, PL-42201 Czestochowa, Poland
关键词
Aluminum alloys; Defects; Load bearing capacity; Refill friction stir spot welding; RFSSW;
D O I
10.1016/j.mfglet.2019.08.005
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The paper describes and classifies defects in aluminum joints made using refill friction stir spot welding (RFSSW) technology, which has potential for replacing riveting as a default joining technology in aviation. Three defect groups were distinguished: at the sleeve-plunger interface, between the sheets and in the joint axis. The failure modes by fracture around a weld in the top and the bottom sheets, by rupture between the sheets were presented. The progression of defects at the sleeve-plunger interface due to deteriorating process conditions was shown. The RFSSW joints were compared to the riveted joints applied in the actual airplane structures. (C) 2019 Society of Manufacturing Engineers (SME). Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:35 / 40
页数:6
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