Obtención de la tenacidad de fractura dinámica de iniciación de materiales elastoplásticos a velocidades de deformación intermedias

José Fernández-Sáez; Susana de Luna; Lourdes Rubio; José Luis Pérez-Castellanos; Carlos Navarro

doi:10.3989/revmetalm.2001.v37.i3.511

Determination of dynamic fracture initiation toughness of elastic-plastic materials at intermediate strain rates

Authors

José Fernández-Sáez Departamento de Ingeniería Mecánica. Universidad Carlos III de Madrid.
Susana de Luna Departamento de Ingeniería Mecánica. Universidad Carlos III de Madrid.
Lourdes Rubio Departamento de Ingeniería Mecánica. Universidad Carlos III de Madrid.
José Luis Pérez-Castellanos Departamento de Ingeniería Mecánica. Universidad Carlos III de Madrid.
Carlos Navarro Departamento de Ingeniería Mecánica. Universidad Carlos III de Madrid.

DOI:

https://doi.org/10.3989/revmetalm.2001.v37.i3.511

Keywords:

Dynamic fracture, Fracture toughness, Elastoplastic materials, Experimental techniques, Intermediate strain rate,

Abstract

An earlier paper dealt with the experimental techniques used to determine the dynamic fracture properties of linear elastic materials. Here we describe those most commonly used as elastoplastic materials, limiting the study to the initiation fracture toughness at the intermediate strain rate (of around 10 s² s_-1 ). In this case the inertial forces are negligible and it is possible to apply the static solutions. With this stipulation, the analysis can be based on the methods of testing in static conditions. The dynamic case differs basically, from the static one, in the influence of the strain rate on the properties of the material.

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Published

2001-06-30

How to Cite

Fernández-Sáez, J., de Luna, S., Rubio, L., Pérez-Castellanos, J. L., & Navarro, C. (2001). Determination of dynamic fracture initiation toughness of elastic-plastic materials at intermediate strain rates. Revista De Metalurgia, 37(3), 459–469. https://doi.org/10.3989/revmetalm.2001.v37.i3.511

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Issue

Vol. 37 No. 3 (2001)

Section

Reviews

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