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Elastic-plastic composites at finite strains - MaRDI portal

Elastic-plastic composites at finite strains (Q760221)

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scientific article; zbMATH DE number 3883675
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Elastic-plastic composites at finite strains
scientific article; zbMATH DE number 3883675

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    Elastic-plastic composites at finite strains (English)
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    1985
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    For elastic-plastic composites at finite strains and rotations, Hill's self-consistent method is used to estimate the overall instantaneous elastic-plastic moduli. Results are applied to a porous metal whose matrix constitutive relations are characterized by a generalized \(J_ 2\) plastiticity model. As an illustration, uniaxial deformation of a porous elastic-plastic solid is considered, and conditions under which the overall uniform deformation becomes unstable by localized deformations, are examined.
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    instantaneous moduli of two phase composites
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    concentration tensor
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    elastic-plastic composites
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    finite strains and rotations
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    Hill's self- consistent method
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    overall instantaneous elastic-plastic moduli
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    porous metal
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    matrix constitutive relations
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    generalized \(J_ 2\) plastiticity model
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    uniaxial deformation
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    porous elastic-plastic solid
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    conditions
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    overall uniform deformation becomes unstable
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    localized deformations
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