Deformación a velocidad variable de hierro ARMCO

N. Lugo; E. S. Puchi; J. M. Cabrera; J. M. Pardo

doi:10.3989/revmetalm.2004.v40.i2.255

Deformation at variable strain rate of ARMCO iron

Authors

N. Lugo Departamento de Ciencia de Materiales e Ingeniería Metalúrgica, ETSEIB - Universidad Politécnica de Catalunya
E. S. Puchi Laboratorio de Materiales, Centro Tecnológico de Manresa
J. M. Cabrera Escuela de Ingeniería Metalúrgica y Ciencia de los Materiales, Fl - Universidad Central de Venezuela; Laboratorio de Materiales, Centro Tecnológico de Manresa
J. M. Pardo Escuela de Ingeniería Metalúrgica y Ciencia de los Materiales, Fl - Universidad Central de Venezuela; Laboratorio de Materiales, Centro Tecnológico de Manresa

DOI:

https://doi.org/10.3989/revmetalm.2004.v40.i2.255

Keywords:

Hot deformation, armco iron, constitutive equations, variable strain

Abstract

The hot deformation of metallic materials is the overall balance between two antagonistic mechanisms. On one hand the material undergoes work hardening, and on the other hand, due to the thermal activation, it undergoes softening by dynamic recovery and recrystallization. Both phenomena are usually studied by mechanical tests carried out at constant true strain rate. However, most of the real processes are carried out under variable strain rate or interrupted deformation. The present work is focused on introducing a descriptive model of the hot working behaviour of an ARMCO iron under variable strain rates conditions. The model is based on a theory where the strain rate is constant.

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Published

2004-04-30

How to Cite

Lugo, N., Puchi, E. S., Cabrera, J. M., & Pardo, J. M. (2004). Deformation at variable strain rate of ARMCO iron. Revista De Metalurgia, 40(2), 139–145. https://doi.org/10.3989/revmetalm.2004.v40.i2.255

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Issue

Vol. 40 No. 2 (2004)

Section

Articles

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