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Surface tension in metal casting affects the flow and wetting of the molten metal on the mold surface. High surface tension can lead to poor flow and incomplete filling of the mold cavities, resulting in defects in the casting. Lowering surface tension through the addition of surfactants can improve the casting process by promoting better wetting and flow of the metal.

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What is the manisus in metal casting?

In metal casting, the "maniscus" refers to the curved surface of molten metal in the mold, which occurs due to surface tension. This phenomenon can affect the filling of the mold, influencing the final shape and properties of the cast product. Proper management of the maniscus is essential to ensure uniform filling and minimize defects in the casting process. Understanding this aspect can help foundry engineers optimize designs and improve casting quality.


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Casting is the process of pouring liquid metal into a mold. The metal cools and takes the shape of the mold.


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