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Filled aluminum foam for impact applications

Alexandre F. Jorge 1Antonio Celso F. Arruda 2

1. UNICAMP, FEM, DEMA, Campinas 13083-860, Brazil
2. UNICAMP,FEM, DEP, Campinas 13083-860, Brazil

Abstract

Cellular metallic materials, also known as metallic foams, are known for their good capability of absorbing mechanical energy through the progressive deformation of their cellular structure. An open-cell foam based on AA2011 alloy is being developed at FEM/Unicamp, using a SSM technique. In this work, the mechanical properties of compression of such material are analyzed, in both semi-static and impact tests. It is also proposed the use of fluid inside the internal voids of the material, in order to achieve different mechanical properties, especially under impact. The results obtained with and without the fluid filling are compared, and their respective behavior suggest possible applications. 

 

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Related papers

Presentation: Poster at E-MRS Fall Meeting 2009, Symposium I, by Alexandre F. Jorge
See On-line Journal of E-MRS Fall Meeting 2009

Submitted: 2009-05-28 23:41
Revised:   2009-06-07 00:48