Method of making a spray formed article

1. Field of the Invention A method of making a spray formed article includes the steps of providing a sand pattern and spraying metal material toward the sand pattern to form the desired article. The sand pattern is made from a sand molding composition comprising refractory materials and binder. The...

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Bibliographic Details
Main Authors Grinberg, Grigoriy, Collins, David Robert, Shade, Matthew M
Format Patent
LanguageEnglish
Published 23.11.2004
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Summary:1. Field of the Invention A method of making a spray formed article includes the steps of providing a sand pattern and spraying metal material toward the sand pattern to form the desired article. The sand pattern is made from a sand molding composition comprising refractory materials and binder. The refractory material comprises at least about 15 weight percent alumina, based on the total weight of the refractory material.