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http://dx.doi.org/10.5228/KSPP.2004.13.4.382

Analysis on Inhomogeneous Textures Developed in Aluminum AA 1050 Sheets during Continuous Confined Strip Shearing  

이재필 (고려대학교 재료공학부)
석한길 (삼척대학교 금속공학)
허무영 (고려대학교 재료공학부)
Publication Information
Transactions of Materials Processing / v.13, no.4, 2004 , pp. 382-387 More about this Journal
Abstract
The continuous confined strip shearing (CCSS) based on the equal channel angular pressing (ECAP) was modeled by means of a rigid-plastic two-dimensional finite element method (FEM). Parallel to the simulations, samples of AA 1050 sheets were experimentally deformed by CCSS. The CCSS deformation led to the formation of through thickness texture gradients comprising a strong shear texture in the sheet center and weak shear textures in the sheet surfaces. FEM analysis revealed variations in the strain component $\varepsilon_13$ along the sample thickness direction, which gave rise to the evolution of different textures. A high friction between the sample and die surface was responsible for lowering intensities of the shear texture components in thickness layers close to the surfaces.
Keywords
Continuous Confined Strip Shearing(CCSS); Equal Channel Angular Pressing(ECAP); FEM; Shear Deformation;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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