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- Title
Processing, characterization, and properties of aluminum-carbon nanotube open-cell foams.
- Authors
Krommenhoek, M.; Shamma, M.; Morsi, K.
- Abstract
This paper discusses the processing, characterization, and properties of aluminum-carbon nanotube (Al-CNT) open-cell foams. The effect of spark plasma sintering temperature on the developed internal surface macro/microstructure and local mechanical response is discussed. Grain size and amount of oxygen-rich internal scales increased with an increase in sintering temperature. Room temperature spherical indentation tests showed a general decline in load-bearing capacity of the foams with increase in sintering temperature. Cell-wall failure was found to be due to brittle fracture rather than plastic collapse. Analyses of the indentation unloading curves showed Al-CNT foams to be ~16% stiffer than Al foams processed at the same condition.
- Subjects
INDENTATION (Materials science); ALUMINUM foam; CARBON nanotubes; BRITTLE fractures; SINTERING; GRAIN size
- Publication
Journal of Materials Science, 2017, Vol 52, Issue 7, p3927
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1007/s10853-016-0653-6