Low-Pressure Countergravity Casting
This article discusses several production implementations that use differential pressure countergravity mold filling methods. These include countergravity low-pressure air process, countergravity low-pressure vacuum process, countergravity low-pressure inert atmosphere process, countergravity pressure vacuum process, supported shell technique, loose sand vacuum process, and countergravity centrifugal casting process.
Paul Mikkola, Gary Scholl, 2008. "Low-Pressure Countergravity Casting", Casting, Srinath Viswanathan, Diran Apelian, Raymond J. Donahue, Babu DasGupta, Michael Gywn, John L. Jorstad, Raymond W. Monroe, Mahi Sahoo, Thomas E. Prucha, Daniel Twarog
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