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Communication Dans Un Congrès Année : 2018

A new Taylor tensile impact test for the identification of dynamic material behavior law

Résumé

Strain rate has a significant influence on the material behavior subjected to dynamic loading, that is why a lot of work has been concentrated on accurate high strain rate experiments to identify the parameters of such dynamic constitutive laws. Taylor impact test, based on the use of gas gun, is well known because some ultra-high strain rates (around $10^{5}\;s^{-1}$) can be attained in this kind of test. An original tensile test, based on Taylor impact technique, has already been proposed in our laboratory (Laboratoire Génie de Production) for characterizing the behavior of materials subjected to high strain rate tensile loading, where a projectile is launched to impact a specially designed target and tensile deformation is mainly generated in the center zone of the target. In the present paper, a new design of this target is proposed in order to optimize the results.
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Dates et versions

hal-02359776 , version 1 (12-11-2019)

Identifiants

  • HAL Id : hal-02359776 , version 1
  • OATAO : 22949

Citer

Olivier Pantalé, Lu Ming. A new Taylor tensile impact test for the identification of dynamic material behavior law. 8th International Conference on Structural Analysis of Advanced Materials (ICSAAM 2018), Aug 2018, Tarbes, France. pp.0. ⟨hal-02359776⟩
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