Deriving Plastic Constitutive Equations of the Material in Complex Stress State by Means of Simple Test Results

Xiao Jiu Feng; Li Fu Liang

doi:10.4028/www.scientific.net/AMM.109.100

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 109Deriving Plastic Constitutive Equations of the...

Deriving Plastic Constitutive Equations of the Material in Complex Stress State by Means of Simple Test Results

Abstract:

By conducting simple tension and torsion tests to material, constitutive equations of one dimension are obtained. Plastic theories of continuum mechanics are used for analyzing deformation behavior of the material after yielding. Here, material is presumed to have isotropic hardening characteristic. By using Mises loading function and the associative flow rule, the derivations are made to extend the constitutive equations of one dimension in the simple tension and torsion tests to that of multi-dimension and obtain the plastic constitutive equations of the material in complex stress state , respectively.

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Periodical:

Applied Mechanics and Materials (Volume 109)

Pages:

100-104

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.109.100

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Online since:

October 2011

Authors:

Xiao Jiu Feng, Li Fu Liang

Keywords:

Constitutive Equation, Mises Hardening Material, Tension Test, Torsion Test

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