Citation
Chee, Wah Loy and Matori, Khamirul Amin and Zainuddin, Norhazlin and Whitten, Andrew E. and Campo, Liliana de and Md Nasir, Nur Izzah and Baharuddin Pallan, Nur Fadilah and Mohd Zaid, Mohd Hafiz and Alassan, Zarifah and Schmid, Siegbert
(2019)
Small angle neutron scattering study of a gehlenite-based ceramic fabricated from industrial waste.
Solid State Phenomena, 290.
pp. 22-28.
ISSN 1662-9779; ESSN: 1012-0394
Abstract
This paper presents a small angle neutron scattering (SANS) study of a novel porous gehlenite-based ceramic, synthesised from a homogeneous powder mixture of soda-lime-silicate (SLS) glass, α-alumina, calcite and calcium fluoride via solid-state sintering at 1200 °C. The products of sintering at single temperatures from 600 to 1200 °C are examined by X-ray diffraction (XRD). Sintering of the mixture below 1200 °C forms two intermediate phases (Na₂ CaSi₃ O₈ and Ca₄ Si₂ O₇ F₂ ). Nepheline and α-alumina are minor phases in the gehlenite-based ceramic fabricated through sintering at 1200 °C. The microstructure of the gehlenite-based ceramic is investigated using field-emission scanning electron microscopy (FESEM) and SANS at the Australian Centre for Neutron Scattering. This study also evaluated the specific surface area of the gehlenite-based ceramic (~3.0 m² cm⁻ ³) from quantitative analysis of SANS data.
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Small angle neutron scattering study of a gehlenite-based ceramic fabricated from industrial waste.pdf
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