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Effects of melt temperature and mold preheating temperature on the fluidity of Ca containing AZ31 alloys

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Abstract

The effects of melt temperature and mold preheating temperature on the fluidity of Ca containing AZ31 alloys were evaluated under various casting conditions. The flow lengths of AZ31-xCa alloy melt increased with increasing the melt temperature due to lower viscosity and longer time to fill the mold cavity. The increment of the flow lengths of AZ31-xCa alloy melt with increasing the mold preheating temperature was not large due to large diameter of circular cross section of mold cavity. The fluidity of AZ31-xCa alloy melts was affected more forcefully by melt temperature than by mold preheating temperature under casting conditions used in this study. Also, the flow lengths of AZ31-xCa alloy melt were affected by grain size of primary solid particles solidified during filling mold cavity and surface oxide film due to addition of Ca.

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Authors and Affiliations

  1. Energy Materials Research Center, Korea Institute of Machinery and Materials, Sangnam 66 Changwon, Gyeongnam, 641-831, Korea

    C. D. Yim & B. S. You

  2. Division of Materials Engineering, Gyeongsang National University, Gajwa 900 Jinju, Gyeongnam, 660-701, Korea

    R. S. Jang & S. G. Lim

Authors
  1. C. D. Yim
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  2. B. S. You
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  3. R. S. Jang
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  4. S. G. Lim
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Correspondence to C. D. Yim.

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Yim, C.D., You, B.S., Jang, R.S. et al. Effects of melt temperature and mold preheating temperature on the fluidity of Ca containing AZ31 alloys. J Mater Sci 41, 2347–2350 (2006). https://doi.org/10.1007/s10853-006-4498-2

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  • DOI: https://doi.org/10.1007/s10853-006-4498-2

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