Establishment Methods of Constitutive Equation for Metal Plastic Forming

Ning Hua Wang; Lian Fa Yang; Yu Lin He

doi:10.4028/www.scientific.net/AMM.446-447.348

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 446-447Establishment Methods of Constitutive Equation for...

Establishment Methods of Constitutive Equation for Metal Plastic Forming

Abstract:

Constitutive equation for metal plastic forming reflects the relationships among the parameters of stress, strain and strain rate. The accuracy of constitutive equation is a key factor in the research of material mechanism, finite element simulation accuracy and forming failure. The commonly used establishment methods of constitutive equation are summarized. Those methods include experiment method, theory analysis method, neural network method, regression method and inverse finite element method. The advantages and disadvantages of those methods are discussed, and application scope of those methods is summarized simultaneously.

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Periodical:

Applied Mechanics and Materials (Volumes 446-447)

Pages:

348-351

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.446-447.348

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Online since:

November 2013

Authors:

Ning Hua Wang, Lian Fa Yang, Yu Lin He

Keywords:

Constitutive Equation, Establishment Methods, Metal, Plastic

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