An elastoplastic constitutive description for casting magnesium alloy ZL305

B. Chen; X. Peng; Jian-Guo Wang; X. Wu

doi:10.1016/j.commatsci.2004.02.033

An elastoplastic constitutive description for casting magnesium alloy ZL305

B. Chen, X. Peng, Jian-Guo Wang, X. Wu

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Abstract

Casting magnesium alloys with microvoids is investigated based on its representative volume element. The representative volume element is idealized as a single spherical void in an incompressible spherical cell. Through the analysis on the microscopic velocity and strain fields of the cell, the constitutive equation for casting magnesium alloys is obtained. Void evolution equation is also presented by combining void nucleation rate with void growth rate. The corresponding numerical algorithm and finite element approach are developed and applied to the analyses of the stress response and the porosity of casting magnesium alloy ZL305 under elastoplastic deformation. The computational results show good agreement with experimental data. (C) 2004 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	404-410
Journal	Computational Materials Science
Volume	30
Issue number	3-4
DOIs	https://doi.org/10.1016/j.commatsci.2004.02.033
Publication status	Published - 2004

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title = "An elastoplastic constitutive description for casting magnesium alloy ZL305",

abstract = "Casting magnesium alloys with microvoids is investigated based on its representative volume element. The representative volume element is idealized as a single spherical void in an incompressible spherical cell. Through the analysis on the microscopic velocity and strain fields of the cell, the constitutive equation for casting magnesium alloys is obtained. Void evolution equation is also presented by combining void nucleation rate with void growth rate. The corresponding numerical algorithm and finite element approach are developed and applied to the analyses of the stress response and the porosity of casting magnesium alloy ZL305 under elastoplastic deformation. The computational results show good agreement with experimental data. (C) 2004 Elsevier B.V. All rights reserved.",

author = "B. Chen and X. Peng and Jian-Guo Wang and X. Wu",

year = "2004",

doi = "10.1016/j.commatsci.2004.02.033",

language = "English",

volume = "30",

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journal = "Computational Materials Science",

issn = "0927-0256",

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T1 - An elastoplastic constitutive description for casting magnesium alloy ZL305

AU - Chen, B.

AU - Peng, X.

AU - Wang, Jian-Guo

AU - Wu, X.

PY - 2004

Y1 - 2004

N2 - Casting magnesium alloys with microvoids is investigated based on its representative volume element. The representative volume element is idealized as a single spherical void in an incompressible spherical cell. Through the analysis on the microscopic velocity and strain fields of the cell, the constitutive equation for casting magnesium alloys is obtained. Void evolution equation is also presented by combining void nucleation rate with void growth rate. The corresponding numerical algorithm and finite element approach are developed and applied to the analyses of the stress response and the porosity of casting magnesium alloy ZL305 under elastoplastic deformation. The computational results show good agreement with experimental data. (C) 2004 Elsevier B.V. All rights reserved.

AB - Casting magnesium alloys with microvoids is investigated based on its representative volume element. The representative volume element is idealized as a single spherical void in an incompressible spherical cell. Through the analysis on the microscopic velocity and strain fields of the cell, the constitutive equation for casting magnesium alloys is obtained. Void evolution equation is also presented by combining void nucleation rate with void growth rate. The corresponding numerical algorithm and finite element approach are developed and applied to the analyses of the stress response and the porosity of casting magnesium alloy ZL305 under elastoplastic deformation. The computational results show good agreement with experimental data. (C) 2004 Elsevier B.V. All rights reserved.

U2 - 10.1016/j.commatsci.2004.02.033

DO - 10.1016/j.commatsci.2004.02.033

M3 - Article

SN - 0927-0256

VL - 30

SP - 404

EP - 410

JO - Computational Materials Science

JF - Computational Materials Science

IS - 3-4

ER -

An elastoplastic constitutive description for casting magnesium alloy ZL305

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