Sembiring, Simon and Riyanto, Agus and Rumiyanti, Leni and Simanjuntak, Wasinton and Situmeang, Rudy T.M (2016) Effect of Alumina addition on the Phase Composition of Cordierite Precursors from Rice Husk Silica. In: SEMIRATA Bidang MIPA 2016; BKS-PTN Barat, 22-24 Mei 2016, Palembang.
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Abstract
This study describes the phase composition change of cordierite ceramics by mixing Al2O3 and cordierite. The mixture was sintered at temperature of 1230 C with different alumina content relative to cordierite. The phases formed and structure changes as a result of alumina addition were investigated using different characterisation technique of X-ray diffraction (XRD) and scanning electron microscopy (SEM). Density, porosity, hardness and electrical resistivity were also measured. The results obtained revealed that addition of alumina caused the tranformation of cordierite phase into alumina, crystobalite, spinel and periclase phases. Density porosity and hardness increased with increasing alumina content, while electrical resistivity decreased with increasing alumina content.
| Item Type: | Conference or Workshop Item (Paper) |
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| Subjects: | Q Science > QC Physics Q Science > QD Chemistry |
| Divisions: | Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA) > Prodi Fisika Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA) > Prodi Kimia |
| Depositing User: | Agus Riyanto |
| Date Deposited: | 02 Jun 2017 08:24 |
| Last Modified: | 02 Jun 2017 08:24 |
| URI: | http://repository.lppm.unila.ac.id/id/eprint/2593 |
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