| Full text | |
| Author(s): |
Menezes, Romualdo Rodrigues
[1]
;
Souto, Pollyane Marcia
[2]
;
Goldschmidt Aliaga Kiminami, Ruth Herta
[2]
Total Authors: 3
|
| Affiliation: | [1] Univ Fed Paraiba, Dept Mat Engn, BR-58059000 Joao Pessoa, Paraiba - Brazil
[2] Fed Univ Sao Carlos UFSCar, Dept Mat Engn, Ceram Mat Synth & Proc Lab, BR-13565905 Sao Carlos, SP - Brazil
Total Affiliations: 2
|
| Document type: | Journal article |
| Source: | MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS; v. 13, n. 3, p. 345-350, JUL-SEP 2010. |
| Web of Science Citations: | 13 |
| 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. (AU) | |