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AA5052와 AA6061의 이종재질의 마찰교반용접 최적화 공정에 대한 연구

A Study on Optimization of Friction Stir Welding of Two Dissimilar Materials of AA5052 and AA6061

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주제분류기계공학

초록

Recently, the use of non-ferrous metals has been increasing to lighten the weight of automobiles and parts. In particular, demand for non-ferrous alloy materials such as aluminum alloys and magnesium alloys is increasing. The purpose of this study is to calculate the optimization process of friction stir welding by using different materials of AA5052 and AA6061. By analyzing the reaction value of tensile strength and elongation by full factorial design and Custom Design Methodology. In other words, we analyzed the optimization process according to rotation speed, feed rate, tool angle and tool shape. In conclusion, the optimal process for tensile strength was achieved by using a tool with a rotation speed of 900 RPM, feed rate of 270, tool angle of 2.5° and a triangle tool. and The rotation speed was 1003 RPM, the feed rate was 314.5, tool angle of 1° and a triangle tool, it was able to get the maximum value of elongation when using a tool of the form.

Abstract

Recently, the use of non-ferrous metals has been increasing to lighten the weight of automobiles and parts. In particular, demand for non-ferrous alloy materials such as aluminum alloys and magnesium alloys is increasing. The purpose of this study is to calculate the optimization process of friction stir welding by using different materials of AA5052 and AA6061. By analyzing the reaction value of tensile strength and elongation by full factorial design and Custom Design Methodology. In other words, we analyzed the optimization process according to rotation speed, feed rate, tool angle and tool shape. In conclusion, the optimal process for tensile strength was achieved by using a tool with a rotation speed of 900 RPM, feed rate of 270, tool angle of 2.5° and a triangle tool. and The rotation speed was 1003 RPM, the feed rate was 314.5, tool angle of 1° and a triangle tool, it was able to get the maximum value of elongation when using a tool of the form.

참고문헌 (7)

  1. W. M. Thomas, "G. B. Patent Application No. 9125978.8", ~ (1991)
  2. S. K. Jang, "A Development of Optimizing Tools for Friction Stir Welding with 2mm Thick Aluminum using a Milling Machine", Journal of The Korean Society of Marine Engineering, 25(4), pp.91~96 (2001)
  3. 송준혁, "Al6061-T6의 SP시험에 의한 FSW 용접부 파괴특성 연구", 한국기계기술학회지, 20(5), pp.593~599 (2018), 한국기계기술학회[DOI]
  4. 원시태, "마찰 교반 용접된 철도 차량용 A6005 압출재의 기계적 성능 향상을 위한 최적 공법 설계", 대한용접접합학회지, 27(5), pp.81~87 (2009), 대한용접접합학회
  5. R. Kumar, "Microstructural and Mechanical Properties of Friction Stir Welded Aluminium Alloy", Journal of Engineering Research &Technology, 2(9), pp.2697~2701 (2013)
  6. 박희상, "A6061-T6과 A5052-H32재의 이종 마찰교반용접시 핀 형상이 기계적 강도에 미치는 영향에 관한 연구", 한국생산제조학회지, 16(3), pp.270~278 (2009), 한국생산제조학회
  7. S. H. Yang, "Surface Roughness Prediction with a Full Factorial design in Turning", Journal of The Korea Society of Manufacturing Process Engineers, 1(1), pp.133~140 (2002)

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