Abstract
The emerging demand for lightweight materials has had an impact in several industries, including biomedical, marine, and space forum applications wherein weight-reduction, impact energy, vibration and noise absorption are mandatory. In this paper, the crushing response of newly developed composite metallic foams (CMFs) with different relative densities (0.289, 0.293, 0.307 and 0.312) were experimentally investigated. As reinforcement, 10 wt% silicon carbide (SiC) particles (size: 20–40 µm) were used, while the foam behavior consisted of microstructure characterization, uniaxial compression tests and statistical analysis. The compressive properties of CMFs were determined using a Split Hopkinson Pressure Bar apparatus over a strain-rates range of 520–1560 s−1. It was found that the strength properties and energy absorption performance of the manufactured foams are strongly affected by the above-mentioned factors. However, the Analysis of Variance technique showed that the most contributing factor is the strain rate (89.10%), followed in order by the relative density (5.90%) and microstructure (3.10%).
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