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Microstructural studies of nanocrystalline a-alumina powder produced from Al13-cluster

Megat Harun Al Rashid Megat Ahmad, MHARM and Abdul Aziz Mohamed, AAM and Azmi Ibrahim, AI and Che Seman Mahmood, CSM and EDY GIRI RACHMAN PUTRA, EGRP and Rafhayudi Jamro, RJ and Razali Kasim, RK and Muhammad Rawi Muhammad Zin, MRM (2007) Microstructural studies of nanocrystalline a-alumina powder produced from Al13-cluster. Journal of Physics and Chemistry of Solids, 68 (12). pp. 2349-2352. ISSN 0022-3697

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Abstract

Nanocrystalline alumina powder was produced from calcinations of Al13-oxalate precipitates at 1100 1C. A nearly normal distribution of agglomerated alumina powder was obtained with an average particle size of about 1 mm. XRD measurement confirmed that the alumina produced was of high purity and crystalline a-phase. Microstructural features of both the precipitates and alumina obtained were studied using the small angle neutron scattering (SANS) technique. SANS examinations show the formation of microstructures in the alumina powder of mass fractals type with dimension of 2.8 indicative of low intra-granular porosity.

Item Type: Article
Subjects: Rekayasa Perangkat dan Fasilitas Nuklir > Elektromekanik dan Kendali > Elektrikal
Daur Bahan Bakar Nuklir dan Bahan Maju > Bahan Struktur dan Bahan Maju
Divisions: Sekolah Tinggi Teknologi Nuklir
Depositing User: USER STTN BATAN
Date Deposited: 27 Nov 2018 00:49
Last Modified: 27 Nov 2018 00:49
URI: http://repo-nkm.batan.go.id/id/eprint/1256

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