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Mechanical and Microstructural Characterization of an AZ91⁻Activated Carbon Syntactic Foam
Nima Movahedi1, Mehdi Taherishargh2, Irina V Belova3
1Centre for Mass and Thermal Transport in Engineering Materials, School of Engineering, The University of Newcastle, Callaghan, NSW 2308, Australia. nima.movahedi@uon.edu.au.
Abstract:
In this study, activated carbon (AC) particles were combined with AZ91 alloy to manufacture a magnesium syntactic foam. This novel lightweight foam has a very low density, in the range of 1.12⁻1.18 gcm-3. The results show that no chemical reaction occurred between the AZ91 matrix and the activated carbon particles. The mechanical properties of the foam were evaluated under quasi-static compression loading conditions, and showed a consistent trend for the energy absorption of the fabricated AZ91⁻AC syntactic foams. The deformation mechanism of samples was a brittle fracture mode with the formation of shear bands during the fracture of all samples.
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