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논문 기본 정보

자료유형
학술저널
저자정보
M. M. El-Sayed (Cairo University) A. Y. Shash (Cairo University) M. Abd Rabou (Cairo University)
저널정보
대한용접·접합학회 대한용접·접합학회지 大韓熔接·接合學會誌 第35卷 第3號
발행연도
2017.6
수록면
44 - 51 (8page)

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초록· 키워드

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In the present study, AA 5083-O plates are joined by friction stir welding technique. A universal milling machine was used to perform the welding process of the work-pieces which were fixed on the proper position by a vice. The joints were friction stir welded by two tools with different pin profiles; cylindrical threaded pin and tapered smooth one at different rotational speed values; 400 rpm and 630 rpm, and different welding speed values; 100 mm/min and 160 mm/min. During FSW of each joint, the temperature was measured by infra-red thermal image camera. The welded joints were inspected by visually as well as by the macro- and microstructure evolutions. Furthermore, the joints were tested for measuring the hardness and the tensile strength to study the effect of changing the FSW parameters on the mechanical properties. The results show that increasing the rotational speed results in increasing the peak temperature, while increasing the welding speed results in decreasing the peak temperature for the same tool pin profile. Defect free welds were obtained at lower rotational speed by the threaded tool profile. Moreover, the threaded tool pin profile gives superior mechanical properties at lower rotational speed.

목차

Abstract
1. Introduction
2 Experimental Investigations
3. Results and Discussions
4. Conclusions
References

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