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Effects of Electromagnetic Stirring on the Microstructure and High-Temperature Mechanical Properties of a Hyper-eutectic Al-Si-Cu-Ni Alloy

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Abstract

A liquid treatment method by electromagnetic stirring was applied to a hyper-eutectic Al-15wt pctSi-4wt pctCu-3wt pctNi alloy for the piston manufacturing with diecasting process in order to improve high-temperature mechanical properties of the piston heads. The mechanical properties, such as hardness, high-temperature tensile stress, thermal expansion, and high-temperature relative wear resistance, were estimated using the specimens taken from the liquid-treated diecast products, and the results were compared with those of a conventional metal-mold-cast piston.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro, Shinchon-dong 134, Seodaemun-gu, Seoul, 120-749, Korea

    Youngsoo Jang (Ph.D. Candidate), Byounghee Choi (Ph.D. Candidate), Byungkeun Kang (Ph.D. Candidate) & Chun Pyo Hong (Professor)

Authors
  1. Youngsoo Jang
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  2. Byounghee Choi
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  3. Byungkeun Kang
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  4. Chun Pyo Hong
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Corresponding author

Correspondence to Chun Pyo Hong.

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Manuscript submitted July 14, 2014.

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Jang, Y., Choi, B., Kang, B. et al. Effects of Electromagnetic Stirring on the Microstructure and High-Temperature Mechanical Properties of a Hyper-eutectic Al-Si-Cu-Ni Alloy. Metall Mater Trans B 46, 7–11 (2015). https://doi.org/10.1007/s11663-014-0271-0

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  • DOI: https://doi.org/10.1007/s11663-014-0271-0

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