Paper Title:

Large Deformation of Metallic Hollow Spheres

Periodical Materials Science Forum (Volume 623)
Main Theme Deformation Processes of Rigid Plastic Materials
Edited by Sergei Alexandrov
Pages 105-117
DOI 10.4028/www.scientific.net/MSF.623.105
Citation Marco Speich et al., 2009, Materials Science Forum, 623, 105
Online since May 2009
Authors Marco Speich, Wolfgang Rimkus, Markus Merkel, Andreas Öchsner
Keywords Impact Behaviour, Large Deformation, Metal Hollow Sphere Structures, Plasticity
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Hollow sphere structures are a new group of advanced lightweight materials for multifunctional applications. Within the scope of this paper, the uniaxial deformation behaviour in the regime of large deformations is investigated. Appropriate computational models are developed to account for the deformation mechanisms occurring under high deformations. Macroscopic stress-strain curves are derived and the influence of different material parameters is investigated.