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IJMC/FEF Student Research Competition

Loss of Kinetic Zone Pressure Causes Mold Wall Collapse During Filling Across a Glue Joint in Lost Foam Casting

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Abstract

Mold wall collapse in the lost foam casting process has been largely associated with poor sand compaction where pattern design and glue line placement has been overlooked. In this paper, the design and location of glue joints is studied to determine its role in mold wall collapse, by measuring time for the metal front to pass through a directional glue joint. Using high-temperature glass, the flow of the metal and the kinetic zone was tracked with a high-speed camera and thermocouples were used to measure the time and temperature of the metal front. It was found that location of glue joints and glue type can cause sand collapse in addition to poor sand compaction.

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Acknowledgement

I would like to thank my co-author Jacob A. Belke and everyone at Mercury Marine, Fond du Lac, WI. for their assistance, guidance and support on my project.

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Authors and Affiliations

  1. Missouri S&T, Rolla, MO, USA

    Keaton R. Allen

  2. Mercury Marine, Fond du Lac, WI, USA

    Jacob A. Belke

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  1. Keaton R. Allen
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  2. Jacob A. Belke
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Correspondence to Jacob A. Belke.

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Allen, K.R., Belke, J.A. IJMC/FEF Student Research Competition. Inter Metalcast 18, 23–29 (2024). https://doi.org/10.1007/s40962-023-01185-5

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  • DOI: https://doi.org/10.1007/s40962-023-01185-5

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