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Effect of the Spinning Deformation Processing on Mechanical Properties of Al-7Si-0.3Mg Alloys

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Abstract

This study investigates the mechanical properties of Al-7Si-0.3Mg (A356) alloy affected by the spinning deformation processing (SDP). The cast structure of the A356 alloy becomes elongated with increasing reduction in thickness. This leads to reduction of casting defects, and refines and distributes the eutectic silicon phase throughout the Al-matrix. The hardness tends to reach a steady value due to the uniformity of the microstructure with the reduction in thickness. The SDP leads to a re-arrangement in the eutectic region, which forces the propagation of cracks through the ductile α-Al phase. The tensile strength and elongation increases accordingly. The improvement on tensile strength and elongation produces the best quality index for A356 alloy.

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Acknowledgments

The authors would like to thank the National Science Council of the Republic of China, Taiwan for financially supporting this research under Contract No. NSC99-2622-E-008-007-CC3.

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Authors and Affiliations

  1. Department of Mechanical Engineering, National Central University, No. 300, Jhongda Rd., Jhongli City, Taoyuan County, 32001, Taiwan, ROC

    Yin-Chun Cheng, Chih-Kuang Lin, Shih-Yuan Hsu & Sheng-Long Lee

  2. Institute of Materials Science and Engineering, National Central University, Chungli, Taiwan, ROC

    Chih-Kuang Lin & Sheng-Long Lee

  3. Department of Mechanical Engineering Ching-Yun University, No. 229, Jianxing Rd., Zhongli City, Taoyuan County, 32097, Taiwan, ROC

    An-Hung Tan

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  1. Yin-Chun Cheng
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  2. Chih-Kuang Lin
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Correspondence to Sheng-Long Lee.

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Cheng, YC., Lin, CK., Tan, AH. et al. Effect of the Spinning Deformation Processing on Mechanical Properties of Al-7Si-0.3Mg Alloys. J. of Materi Eng and Perform 21, 1873–1878 (2012). https://doi.org/10.1007/s11665-011-0089-8

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  • DOI: https://doi.org/10.1007/s11665-011-0089-8

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