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ASM Handbook

Casting

Edited by
Srinath Viswanathan
Srinath Viswanathan
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Diran Apelian
Diran Apelian
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Raymond J. Donahue
Raymond J. Donahue
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Babu DasGupta
Babu DasGupta
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Michael Gywn
Michael Gywn
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John L. Jorstad
John L. Jorstad
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Raymond W. Monroe
Raymond W. Monroe
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Mahi Sahoo
Mahi Sahoo
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Thomas E. Prucha
Thomas E. Prucha
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Daniel Twarog
Daniel Twarog
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ASM International
Volume
15
ISBN electronic:
978-1-62708-187-0
Publication date:
2008
Book Chapter

Aggregates and Binders for Expendable Molds

By
John Jorstad
John Jorstad
Revising author
J.L.J. Technologies, Inc.
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Mary Beth Krusiak
Mary Beth Krusiak
Revising author
Sand Technology Co.
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John O. Serra
John O. Serra
Revising author
Carpenter Brothers Inc.
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Vic La Fay
Vic La Fay
Revising author
Hill and Griffith
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Published:
2008
Page range:
528 - 548
Publication history
August 04, 2008

Abstract

This article reviews the basic types of mold aggregates and bonding methods for expendable molds and coremaking. It provides an overview of mold media and the basic types of sands and their properties. The most significant clays used in green sand operations, such as bentonites, are discussed. The article describes the methods of sand bonding with inorganic compounds. It provides a description of resin-bonded sand systems, namely, no-bake binder systems, heat-cured binder systems, and cold box binder systems. The article concludes with a discussion on the media used for expendable molds, namely, ceramic shells and rammed graphite, for casting reactive metals such as titanium or zirconium.

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John Jorstad, Mary Beth Krusiak, John O. Serra, Vic La Fay, 2008. "Aggregates and Binders for Expendable Molds", 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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