2018
DOI: 10.1590/s1517-707620180002.0331
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Efecto del cambio en el camino de deformación en la formabilidad de chapas de acero DP-780 y zinc Zn20

Abstract: RESUMEN Los Diagramas Límite de Conformado (DLC), frecuentemente utilizados para caracterizar la formabilidad de chapas metálicas, se determinan asumiendo trayectorias de carga proporcionales hasta la ocurrencia de la inestabilidad plástica. Sin embargo, las deformaciones límite son afectadas significativamente por los cambios en los caminos de deformación, práctica muy usual en procesos reales de conformado de metales. El objetivo de este trabajo es analizar el efecto de la trayectoria de carga sobre el DLC d… Show more

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“…Hence, a lower 0 value was taken for ferrite. This approach has proven successful in describing the plastic behavior of two-phase steels in which each phase has different properties [46]. The initial Voce law values were obtained from reported tensile curves for DSS with a similar composition that analyzes the tensile curves for both phases [32].…”
Section: Crystal Plasticity Modelingmentioning
confidence: 99%
“…Hence, a lower 0 value was taken for ferrite. This approach has proven successful in describing the plastic behavior of two-phase steels in which each phase has different properties [46]. The initial Voce law values were obtained from reported tensile curves for DSS with a similar composition that analyzes the tensile curves for both phases [32].…”
Section: Crystal Plasticity Modelingmentioning
confidence: 99%