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JACIII Vol.18 No.5 pp. 752-754
doi: 10.20965/jaciii.2014.p0752
(2014)

Paper:

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Optimizing Friction Stir Welding of Al 6061 Alloy Using Statistical Analysis

Dae Min Kang*†, Kyoung Do Park**, and Dai Yeal Lee***

*Department of Mechanical Engineering, Pukyong National University, 100 Yongdang-Dong, Nam-Ku, Pusan 608-739, Korea

**Graduate School of Mechanical Engineering, Pukyong National University, 100 Yongdang-Dong, Nam-Ku, Pusan 608-739, Korea

***The Korea Chamber of Commerce & Industry Busan Human Resorce Development Institute, San 9, Yongdang-dong, Nam-gu, Pusan 608-080, Korea

†Corresponding author

Received:
February 5, 2014
Accepted:
May 3, 2014
Published:
September 20, 2014
Creative Commons License
Keywords:
friction stir welding, aluminum alloy, threeway factorial design, tensile strength
Abstract
In this study, a three-way factorial design is used to optimize the friction stir welding (FSW) process of Al 6061 alloy. Control factors are shoulder diameter, travel speed, and rotation speed of tool, and each factor has three levels. Tensile strength tests are also carried out to measure the mechanical properties under various FSW conditions. In this work, travel speed, shoulder diameter, and tool speed are shown to individually be meaningful factors in the tensile strength of the alloy, but interactions among the weld factors are not detected. The result of the study is that the optimum process condition for maximum tensile strength is estimated to be A3B3C3. In addition, the presumed range of tensile strength under the optimal conditions is estimated to be 257±23 (Mpa) with 95% reliability.
Cite this article as:
D. Kang, K. Park, and D. Lee, “Optimizing Friction Stir Welding of Al 6061 Alloy Using Statistical Analysis,” J. Adv. Comput. Intell. Intell. Inform., Vol.18 No.5, pp. 752-754, 2014.
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References
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  2. [2] L. Karthikeyan and V. S. Senthil Kumar, “Relationship between process parameters and mechanical properties of friction stir processed AA6063-T6 aluminum alloy,” Mater and Design, 32, pp. 3085-3091, 2011.
  3. [3] V. Balasubramanian, “Relationship between metal properties and friction stir welding process parameters,” Mater Sci. Eng. ‘A’, 480, pp. 397-403, 2008.

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