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ASM Handbook

Fundamentals of Modeling for Metals Processing

Edited by
D.U. Furrer
D.U. Furrer
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S.L. Semiatin
S.L. Semiatin
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ASM International
Volume
22A
ISBN electronic:
978-1-62708-196-2
Publication date:
2009
Book Chapter

Constitutive Models for Superplastic Flow

By
Indrajit Charit
Indrajit Charit
University of Idaho
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Rajiv S. Mishra
Rajiv S. Mishra
Missouri University of Science and Technology
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Published:
2009
Page range:
472 - 477
Publication history
July 11, 2009

Abstract

This article presents a mechanical description of superplasticity and discusses constitutive equations that are essential for simulating superplastic forming processes, applicable to structural superplasticity. It presents the phenomenological constitutive equations of superplasticity and classical physical constitutive equations. The article also reviews the accommodation mechanisms that are divided into two major groups, namely, diffusional accommodation and accommodation by dislocations.

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Indrajit Charit, Rajiv S. Mishra, 2009. "Constitutive Models for Superplastic Flow", Fundamentals of Modeling for Metals Processing, D.U. Furrer, S.L. Semiatin

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