期刊
出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2009.03.067
关键词
Metal foams; Mechanical properties; Indentation; Energy absorption
类别
资金
- Ministry of Higher Education, Malaysia
- Universiti Tun Hussein Onn Malaysia (UTHM)
Thin and thick panels of two types of aluminium closed-cell foams of similar to 0.20-0.31 g/cm(3) (ALPORAS) and similar to 0.32-0.57 g/cm(3) (ALULIGHT) density were tested in uniaxial compression and the mechanical properties of the panels, plastic collapse strength, plateau stress and absorbed energy, were extracted. Their dependence on the foam density and specimen thickness was also ascertained. Micro-indentation tests were used to estimate the yield stresses of the parent materials. It was found that the higher density panels of ALULIGHT were also more anisotropic than the lower density panels of ALPORAS, and the collapse strength and the absorbed energy of both foams increased with density. More significant scatter the results was observed in the thin and higher density panels. (C) 2009 Elsevier B.V. All rights reserved.
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