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- A5J32/A5052 이종 알루미늄 합금 겹치기 마찰교반접합부의 인장성질에 미치는 재료배열 및 접합조건의 영향
- 윤태진, 강명창, 강정윤
- Effects of Welding Conditions and Material Arrangement on Tensile Properties of Friction Stir Lap Welded of Dissimilar Al Alloy, A5J32/A5052
- Tae-Jin Yoon, Myung-Chang Kang, Chung-Yun Kang
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Journal of Powder Materials 2013;20(4):302-307
DOI: https://doi.org/10.4150/KPMI.2013.20.4.302
2부산대학교 하이브리드소재솔루션 국가핵심연구센터(NCRC)
3부산대학교 하이브리드소재솔루션 국가핵심연구센터(NCRC)
1National Core Research Center for Hybrid Materials Solution, Pusan National University
2National Core Research Center for Hybrid Materials Solution, Pusan National University
3National Core Research Center for Hybrid Materials Solution, Pusan National University
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Abstract
A5J32-T4 and A5052-H32 dissimilar aluminum alloy plates with thickness of 1.6 and 1.5 mm were welded by friction stir lap welding (FSLW). The FSLW were studied using different probe length tool and various welding conditions which is rotation speed of 1000, 1500 rpm and welding speed of 100 to 600 mm/min and material arrangement, respectively. The effects of plunge depth of tool and welding conditions on tensile properties and weld nugget formation. The results showed that three type nugget shapes such as hooking, void, sound have been observed with revolutionary pitch. This plunge depth and material arrangement were found to effect on the void and hooking formation, which in turn significantly influenced the mechanical properties. The maximum joint efficiency of the FSLWed plates was about 90% compared to base metal, A5052-H32 when the A5052-H32 was positioned upper plate and plunge depth was positioned at near interface between upper and lower plates.
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