Reducing pinhole porosity: adjusting, the treatment alloy used with ductile iron can impact the incidence of pinhole defects and lower the operating costs of the metalcaster.
Modern Casting › Vol. 97 Nbr. 5, May 2007
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Reducing pinhole porosity: adjusting, the treatment alloy used with ductile iron can impact the incidence of pinhole defects and lower the operating costs of the metalcaster.
Dotson Iron Castings, Mankato, Minn., began to see a rise in the rate of pinhole-related scrap in the production of its engineered ductile iron castings. Fortunately, the association of pinhole defects with specific residual aluminum levels is well documented. So, st...
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