Yield Criterion and Constitutive Model for Ductile Materials with Hydrogen and Deformation Induced Voids

Jian Ping Zhang; Hui Ji Shi; Ya Jun Yin

doi:10.4028/www.scientific.net/KEM.297-300.1044

Paper Titles

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Computational Evaluation of Micro- to Macroscopic Mechanical Characteristics of Low-Carbon TRIP Steel under Different Conditions
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Numerical Studies on Damage Evolution of Notched Round-Bar with Welding Mechanical Heterogeneity
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Yield Criterion and Constitutive Model for Ductile Materials with Hydrogen and Deformation Induced Voids
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Crack Growth Simulation of Arbitrarily Shaped 3D Cracks Using Finite Element Alternating Method
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Method for Determining a Polynomial Constitutive Equation with Temperature and Strain-Rate Dependence by the AIC
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HomeKey Engineering MaterialsKey Engineering Materials Vols. 297-300Yield Criterion and Constitutive Model for Ductile...

Yield Criterion and Constitutive Model for Ductile Materials with Hydrogen and Deformation Induced Voids

Abstract:

Using the method of mesomechanics, a represent volume element (RVE) with internal pressure acted on the inner wall of the void is suggested to simulate the hydrogen induced cracking (HIC) in porous ductile materials. Based on this RVE, yield criterion is derived and constitutive model is constructed. Simulations show that the hydrogen pressure intensively reduces the yield stress for porous ductile materials

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Periodical:

Key Engineering Materials (Volumes 297-300)

Pages:

1044-1049

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.297-300.1044

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Online since:

November 2005

Authors:

Jian Ping Zhang, Hui Ji Shi, Ya Jun Yin

Keywords:

Constitutive Model, Hydrogen-Induced Cracking (HIC), Porous Ductile Materials, Yield Criterion

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References

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