2006
DOI: 10.1016/j.crme.2006.06.001
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Approximate yield criteria for anisotropic metals with prolate or oblate voids

Abstract: Following the study of Gologanu et al. (1997) which has extended the well-known approach of Gurson (1975), we propose approximate yield criteria for anisotropic plastic voided metals containing non spherical cavities. The plastic anisotropy of the matrix is described by means of Hill's quadratic criterion. The procedure to establish the closed form expression of approximate macroscopic criteria, in which void shape and plastic anisotropic effects are included, is detailed. The new criteria allow us to recover … Show more

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Cited by 33 publications
(24 citation statements)
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“…Similar extensions of the GLD model for spheroidal voids in von Mises matrices to Hill matrices were proposed by Monchiet et al [46,47] [20,20,22] basically "isotropic" velocity fields.…”
Section: Models For Spheroidal Voidsmentioning
confidence: 83%
“…Similar extensions of the GLD model for spheroidal voids in von Mises matrices to Hill matrices were proposed by Monchiet et al [46,47] [20,20,22] basically "isotropic" velocity fields.…”
Section: Models For Spheroidal Voidsmentioning
confidence: 83%
“…Benzerga and Besson (2001) first performed a limit-analysis of a spherical cell made of a Hill material and containing a spherical void, using Gurson (1977)'s velocity fields. Then Monchiet et al (2006Monchiet et al ( , 2008 and Benzerga (2008, 2010) considered spheroidal voids embedded in a Hill matrix, using the velocity fields respectively considered by Gologanu et al (1993Gologanu et al ( , 1994 and Gologanu et al (1997), which were discovered by Lee and Mear (1992). All these studies devoted to plastically anisotropic matrices therefore used the same trial velocity fields as those previously considered for the isotropic case.…”
Section: Introductionmentioning
confidence: 96%
“…Benzerga and Besson [8] extended Gurson's model for a material matrix which follows Hill's orthotropic criterion [9]. Later, Monchiet et al [10,11] and Keralavarma and Benzerga [12,13] extended the anisotropic Gurson model to spheroidal voids. Recently, Morin et al [14] developed a Gurson type model for general ellipsoidal voids in an anisotropic Hill matrix.…”
Section: Introductionmentioning
confidence: 99%