A study of through-thickness texture gradients in rolled sheets

O. Engler; M. Y. Huh; C. N. Tomé

doi:10.1007/s11661-000-0146-7

A study of through-thickness texture gradients in rolled sheets

O. Engler, M. Y. Huh, C. N. Tomé

Research output: Contribution to journal › Article › peer-review

231 Citations (Scopus)

Abstract

A method to simulate shear effects and through-thickness texture gradients in rolled sheet materials is introduced. The strain history during a rolling pass is idealized by superimposing a sine-shaped evolution of the ε̇₁₃ shear component to a plane-strain state. These generic strain histories are enforced in a visco-plastic self-consistent (VPSC) polycrystal deformation model to simulate texture evolution as a function of through-thickness position. The VPSC scheme is deemed superior to a full constraints (FC) or relaxed constraints (RC) approach, because it allows one to fully prescribe diagonal and shear-strain-rate components while still accounting for grain-shape effects. The idealized strain states are validated by comparison with deformation histories obtained through finite-element method (FEM) calculations. The through-thickness texture gradients are accounted for by introducing a relative variation of the sine-shaped ε̇₁₃ shear with respect to the plane-strain component. The simulation results are validated, in turn, by comparison with typical examples of through-thickness texture gradients observed experimentally in rolled plates and in sheets of fee and bcc materials.

Original language	English
Pages (from-to)	2299-2315
Number of pages	17
Journal	Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume	31
Issue number	9
DOIs	https://doi.org/10.1007/s11661-000-0146-7
Publication status	Published - 2000

Bibliographical note

Funding Information:
This work was supported by the United States Department of Energy. MYH is grateful to the Korean Research Foundation for financial support through a research fund (1998-017-E00098). The results of the commercial purity aluminum shown in Figure 2 have been provided by S. Benum and those of the IF steel (Figures 4 and 5) by B. Beckers. We are grateful to Professors A. Beaudoin and S.R. Kalidindi for valuable discussions. Professor J.J. Park helped with the FEM calculations.

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys

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abstract = "A method to simulate shear effects and through-thickness texture gradients in rolled sheet materials is introduced. The strain history during a rolling pass is idealized by superimposing a sine-shaped evolution of the {\.ε}13 shear component to a plane-strain state. These generic strain histories are enforced in a visco-plastic self-consistent (VPSC) polycrystal deformation model to simulate texture evolution as a function of through-thickness position. The VPSC scheme is deemed superior to a full constraints (FC) or relaxed constraints (RC) approach, because it allows one to fully prescribe diagonal and shear-strain-rate components while still accounting for grain-shape effects. The idealized strain states are validated by comparison with deformation histories obtained through finite-element method (FEM) calculations. The through-thickness texture gradients are accounted for by introducing a relative variation of the sine-shaped {\.ε}13 shear with respect to the plane-strain component. The simulation results are validated, in turn, by comparison with typical examples of through-thickness texture gradients observed experimentally in rolled plates and in sheets of fee and bcc materials.",

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note = "Funding Information: This work was supported by the United States Department of Energy. MYH is grateful to the Korean Research Foundation for financial support through a research fund (1998-017-E00098). The results of the commercial purity aluminum shown in Figure 2 have been provided by S. Benum and those of the IF steel (Figures 4 and 5) by B. Beckers. We are grateful to Professors A. Beaudoin and S.R. Kalidindi for valuable discussions. Professor J.J. Park helped with the FEM calculations.",

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A study of through-thickness texture gradients in rolled sheets

Abstract

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