Abstract
The paper focuses on the utilization of industrial waste as a mold material in the foundry industries. The industrial waste used in these papers is red mud, ferro-chrome, and blast furnace slag and compare with the olivine sand and silica sand mold. A319 aluminum alloy is used as a cast product of all the five molds. The cast product A319 was investigated through an optical microscope, Vickers hardness test, XRD, scanning electron microscopy, Tensile test, and fractography. The results show that the secondary dendritic arm spacing (SDAS) of A319 cast in blast furnace slag mold, ferro-chrome slag mold, and silica sand mold are 35 μm, 33.474 μm, 41.78 μm, respectively. The lower value of SDAS of A319 alloy shows the sustainability of red mud, ferro-chrome slag, and blast furnace slag as a mold as compared with silica sand mold.
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