Influence of particle diameter in mechanical performance of Al expanded clay syntactic foams

Influence of particle diameter in mechanical performance of Al expanded clay syntactic foams The present research shows the use of Lightweight Expanded Clay (LECA) as a space holder to obtain an aluminium based syntactic foams manufactured by gravity casting assisted by mechanical vibration. Results show that higher LECA particle diameters enhance yield strength, strain densification value and compression energy, although there is a tendency for property stabilization according to an exponential rise to maximum function. It is suggested that when particles with diameters higher than 7 [mm] are employed, the referred properties tend to 32.21 [MPa], 0.43 [–] and 32.22 [MJ/m3] in what concern to strength, strain densification value and compression energy, respectively. In conclusion, this kind of composite shows properties that may be advantageous and viable for future low-cost and lightweight casted structural components. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Composite Structures Elsevier

Influence of particle diameter in mechanical performance of Al expanded clay syntactic foams

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0263-8223
eISSN
1879-1085
D.O.I.
10.1016/j.compstruct.2017.10.040
Publisher site
See Article on Publisher Site

Abstract

The present research shows the use of Lightweight Expanded Clay (LECA) as a space holder to obtain an aluminium based syntactic foams manufactured by gravity casting assisted by mechanical vibration. Results show that higher LECA particle diameters enhance yield strength, strain densification value and compression energy, although there is a tendency for property stabilization according to an exponential rise to maximum function. It is suggested that when particles with diameters higher than 7 [mm] are employed, the referred properties tend to 32.21 [MPa], 0.43 [–] and 32.22 [MJ/m3] in what concern to strength, strain densification value and compression energy, respectively. In conclusion, this kind of composite shows properties that may be advantageous and viable for future low-cost and lightweight casted structural components.

Journal

Composite StructuresElsevier

Published: Jan 15, 2018

References

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