microwave fast sintering of submicrometer alumina

Clicks: 260
ID: 225592
2010
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Abstract
Commercially available alumina powder with high-purity submicrometer particle size and narrow particle size distribution was fully densified by a microwave hybrid fast firing technique. The alumina compacts were surrounded by susceptor material, which helped the heating of the samples, and sintered in a microwave oven at a frequency of 2.45 GHz and a power level of 1.8 kW. The sintered samples reached densities of 99% in sintering cycles of 30 to 40 minutes, a much shorter time than conventional sintering processes. The sintered samples showed uniform microstructures with powder particle size/average grain size rations higher than 1:2.
Reference Key
menezes2010materialsmicrowave Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Romualdo Rodrigues Menezes;Pollyane Marcia Souto;Ruth Herta Goldschmidt Aliaga Kiminami
Journal Majalah Ilmiah Teknologi Elektro
Year 2010
DOI
10.1590/S1516-14392010000300011
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