Constitutive Model for Large Plastic Deformation of Nanocrystalline Materials

Abstract:

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A constitutive model was presented for nanocrystalline metallic materials that can experience large plastic deformation with shear band. The model was composed of two parts for different deformation stage: hardening stage and softening stage. In the hardening stage, the phase mixture model was used, and in the softening stage, a shear band deformation mechanism was proposed. Based on the model presented, numerical simulations were carried out to prove that the predications kept in good agreement with experimental data.

Info:

Periodical:

Edited by:

Jing Tao Wang

Pages:

139-144

DOI:

10.4028/www.scientific.net/MSF.682.139

Citation:

H. Jiang et al., "Constitutive Model for Large Plastic Deformation of Nanocrystalline Materials", Materials Science Forum, Vol. 682, pp. 139-144, 2011

Online since:

March 2011

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$35.00

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