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1050 Al판재의 핀 마찰 교반용접에 의한 실험적 연구

Weldability and properties of lap joints by pin FSW with 1050 Al sheet

박종식|한민수|장석기
한국마린엔지니어링학회 (The Korean Society of Marine Engineering)|2007.05|한국마린엔지니어링학회지 (Journal of Advanced Marine Engineering and Technology)|제31권 제4호|pp. 394-400

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참고문헌

키워드

PFSW(Pin Friction Stir Welding ; 핀마찰교반용접)Plunging depth(공구 압입 깊이)Rotating speed(회전 속도)Dwelling time(접합 시간)Metallograph(금속표면 확대도)
주제분류기계공학

초록

Abstract

The properties and weldability of lap joints by PFSW with 1050 Al sheet was investigated according to tool shape, dimension and welding condition. Tensile shear test was carried out for lap jointed specimen, and the hardness in the joint regions was examined. Moreover interfacial joining length, metallograph and failure location of the lap-jointed cross section were discussed. Two tool types were a simple cylindrical type and a notched cylindrical type. Under joining conditions such as plunging depth of 2.2mm, rotating speed of 1600rpm and dwelling time of 3s, the tensile shear strength of lap-jointed specimen by the notched type tool was superior to that by simple cylindrical type tool. The maximum tensile shear load of lap jointed specimen was 5807N. Optimal dimensions of the notched type tool were as follows; diameters of the shoulder and pin were 18Φmm and 10Φmm, and pin length was 2.2mm.

참고문헌 (10)

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  5. "Microstructural investigation of friction stir welded pure titanium", 59, pp.3315~3318 (2005)
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  10. "Characteristics of Spot Friction Stir Welded A 5052 Alloy Sheet", 24(1), pp.71~76 (2006)

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