Effect of NaCl as a Space Holder in Producing Open Cell A356 Aluminium Foam by Gravity Die Casting Process |
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Institution: | School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Pulau Pinang, Malaysia |
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Abstract: | Gravity die casting is the technique which enables fabrication of open-cell A356 aluminium foam as a suitable absorber material with good quality performance. A356 aluminium alloy was used with varies amount of sodium chloride (NaCl) particles as a space holder to fabricate the aluminium foam using gravity die casting. Microstructural analysis, porosity and density were investigated in this study. As the addition of the NaCl space holder increases, porosity increases leading to decreasing density of the foam. Aluminium foam with 30 wt.% NaCl showed moderate porosity among the others foam. |
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Keywords: | open cell foam normal casting space holder microsturucture |
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