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HomeMaterials Science ForumMaterials Science Forum Vol. 888The Effect of Different Silica Compositions to the...

The Effect of Different Silica Compositions to the Properties of Silica Foam Fabricated Using Slurry Method

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Abstract:

Silica foams with 50% – 70% porosity have been developed by mixing silica powder, polyethylene glycol (PEG) and carboxymethyl cellulose (CMC) into distilled water to make slurry. Polyurethane foam (PU) as the template is immersed into the slurry with 45 wt.%, 50 wt.% and 55 wt.%. of silica composition and finally sintered at 1100°C, 1200°C, 1300°C and 1400°C. Several tests which are morphological analysis, porosity and density test, and compressive strength test are compulsory to determine the physical and mechanical of the silica foam. The morphology of the foam has been observed using Scanning Electron Microscopy (SEM) and the result of pore size distribution is in the range of 255.91 μm to 489.14 μm. The porosity and density obtained from the porosity and density test was 50%-73.66% and 0.5499 g/cm³ up to 0.9757 g/cm³, respectively. Meanwhile, the compressive strength of sintered silica foam obtained is 0.01471 N/mm² up to 0.1467 N/mm².

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Periodical:

Materials Science Forum (Volume 888)

Pages:

121-125

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.888.121

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Online since:

March 2017

Authors:

Syazwani Baharom*, Sufizar Ahmad, Muhamad Izranuddin Mohd Ramli

Keywords:

Mechanical Strength, Polymeric Foam, Silica Foam

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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