期刊
MATERIALS RESEARCH BULLETIN
卷 40, 期 3, 页码 561-571出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2004.07.019
关键词
ceramics; chemical synthesis; X-ray diffraction; thermodynamic properties
The combustion synthesis technique using glycine as fuel and aluminum nitrate as an oxidizer is able to produce alumina powders. Thermodynamic modeling of the combustion reaction shows that as the fuel-to-oxidant ratio increases, the amount of gases produced and adiabatic flame temperatures also increases. X-ray diffractions showed the amorphous structure for as-synthesized powder and presence of well-crystallized alpha-Al2O3 after calcination at 1100 degrees C during soaking time of 1 h. Alumina's largest measured specific surface area was 15 m(2)/g with BET method and 0.51 glycine-to-nitrate ratio. (c) 2004 Elsevier Ltd. All rights reserved.
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