Numerical study of deformation textures, yield locus, rolling components and Lankford coefficients for FCC polycrystals using the new polycrystalline φ-model

School of Engineering

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https://doi.org/10.1016/j.ijmecsci.2010.06.006
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Keywords

ϕ-model, Self-consistent model, Yield surface, Texture, Lankford coefficient, Rolling FCC component

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Numerical study of deformation textures, yield locus, rolling components and Lankford coefficients for FCC polycrystals using the new polycrystalline φ-model. / M'Guil, S.; Wen, W.; Ahzi, S.
In: International Journal of Mechanical Sciences, Vol. 52, No. 10, 2010, p. 1313-1318.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Bibtex

@article{9acd4d55804046b4b4a56e5780ac0bf9,

title = "Numerical study of deformation textures, yield locus, rolling components and Lankford coefficients for FCC polycrystals using the new polycrystalline φ-model",

abstract = "In this paper, we discuss results from the new viscoplastic non-linear intermediate ϕ-model for crystal plasticity. We used this viscoplastic ϕ-model in order to compute several properties and indicators directly connected to the formability of FCC polycrystalline metals. For instance, the yield locus, the Lankford coefficients and the typical FCC rolling texture component and their evolution during plastic deformation are computed. We also compare our results to those predicted by the tangent viscoplastic self-consistent model as well as those obtained by the upper and lower bounds (Taylor and Static). Results concerning FCC metals subjected to plane strain compression (commonly used for the approximation of the rolling process) are presented. As in the self-consistent scheme, the viscoplastic ϕ-model takes into account the strength of grains interactions. The influence of the grain interaction on predicted results is discussed. This analysis of the change in predicted results for different values of the parameter controlling the grain interaction strength (from a stiff to a more compliant interaction) shows that the results depend strongly on ϕ.",

keywords = "ϕ-model, Self-consistent model, Yield surface, Texture, Lankford coefficient, Rolling FCC component",

author = "S. M'Guil and W. Wen and S. Ahzi",

year = "2010",

doi = "10.1016/j.ijmecsci.2010.06.006",

language = "English",

volume = "52",

pages = "1313--1318",

journal = "International Journal of Mechanical Sciences",

issn = "0020-7403",

publisher = "Elsevier Limited",

number = "10",

}

RIS

TY - JOUR

T1 - Numerical study of deformation textures, yield locus, rolling components and Lankford coefficients for FCC polycrystals using the new polycrystalline φ-model

AU - M'Guil, S.

AU - Wen, W.

AU - Ahzi, S.

PY - 2010

Y1 - 2010

N2 - In this paper, we discuss results from the new viscoplastic non-linear intermediate ϕ-model for crystal plasticity. We used this viscoplastic ϕ-model in order to compute several properties and indicators directly connected to the formability of FCC polycrystalline metals. For instance, the yield locus, the Lankford coefficients and the typical FCC rolling texture component and their evolution during plastic deformation are computed. We also compare our results to those predicted by the tangent viscoplastic self-consistent model as well as those obtained by the upper and lower bounds (Taylor and Static). Results concerning FCC metals subjected to plane strain compression (commonly used for the approximation of the rolling process) are presented. As in the self-consistent scheme, the viscoplastic ϕ-model takes into account the strength of grains interactions. The influence of the grain interaction on predicted results is discussed. This analysis of the change in predicted results for different values of the parameter controlling the grain interaction strength (from a stiff to a more compliant interaction) shows that the results depend strongly on ϕ.

AB - In this paper, we discuss results from the new viscoplastic non-linear intermediate ϕ-model for crystal plasticity. We used this viscoplastic ϕ-model in order to compute several properties and indicators directly connected to the formability of FCC polycrystalline metals. For instance, the yield locus, the Lankford coefficients and the typical FCC rolling texture component and their evolution during plastic deformation are computed. We also compare our results to those predicted by the tangent viscoplastic self-consistent model as well as those obtained by the upper and lower bounds (Taylor and Static). Results concerning FCC metals subjected to plane strain compression (commonly used for the approximation of the rolling process) are presented. As in the self-consistent scheme, the viscoplastic ϕ-model takes into account the strength of grains interactions. The influence of the grain interaction on predicted results is discussed. This analysis of the change in predicted results for different values of the parameter controlling the grain interaction strength (from a stiff to a more compliant interaction) shows that the results depend strongly on ϕ.

KW - ϕ-model

KW - Self-consistent model

KW - Yield surface

KW - Texture

KW - Lankford coefficient

KW - Rolling FCC component

U2 - 10.1016/j.ijmecsci.2010.06.006

DO - 10.1016/j.ijmecsci.2010.06.006

M3 - Journal article

VL - 52

SP - 1313

EP - 1318

JO - International Journal of Mechanical Sciences

JF - International Journal of Mechanical Sciences

SN - 0020-7403

IS - 10

ER -

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