High-temperature properties of rapidly solidified Al-Be alloys

Nieh, T.G.; Henshall, C. A.; Wadsworth, J.

doi:10.1007/bf01132039

Cited by 5 publications

(2 citation statements)

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“…It also can be readily observed in this figure that the cell size appears to have insignificant effect on plastic collapse, even at the dynamic strain rates. This is very similar to the observations of Nieh et al [10], reported a cell size effect at quasi-static strain rates in Doucel foams. Fig.…”

Section: Resultssupporting

confidence: 92%

“…Some studies have also been carried out to evaluate the effect of cell morphology on the mechanical properties of metallic foams. Nieh et al [10] observed the effect of cell size and shape on the compressive behavior of open-celled AA6101-T6 aluminum foams with different relative density and showed that the former appeared to have a negligible effect on the strength of foam, whereas the latter had certain influences on the strength of foam. It is noted that, these studies were all carried out at static strain rates.…”

Section: Introductionmentioning

confidence: 99%

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Studies on the Dynamic Compressive Properties of Open-Celled Aluminum Alloy Foams

Wang

Wei²,

Zhao

et al. 2006

KEM

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The compressive deformation behavior of open-cell aluminum foams with different densities and morphologies was assessed under quasi-static and dynamic loading conditions. High strain rate experiments were conducted using a split Hopkinson pressure bar technique at strain rates ranging from 500 to 1 2000 − s . The experimental results shown that the compressive stress-strain curves of aluminum foams also have the “ three regions” character appeared in general foam materials, namely elastic region, collapse region and densification regions. It is found that density is the primary variable characterizing the modulus and yield strength of foams and the cell appears to have a negligible effect on the strength of foams. It also is found that yield strength and energy absorption is almost insensitive to strain rate and deformation is spatially uniform for the open-celled aluminum foams, over a wide range of strain rates.

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Section: Resultssupporting

confidence: 92%

Section: Introductionmentioning

confidence: 99%