Journal
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN
Volume 117, Issue 1371, Pages 1281-1283Publisher
CERAMIC SOC JAPAN-NIPPON SERAMIKKUSU KYOKAI
DOI: 10.2109/jcersj2.117.1281
Keywords
Transparent spinel; Ceramics; Sintering; Optical materials
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Transparent, polycrystalline MgAl2O4 ceramics have been fabricated by sintering optimized-configuration, powder compacts formed from a material prepared by flame spray pyrolysis. Transparent parts (80% light transmission at 2 mm thickness) could be obtained after pressureless sintering in air at 1280 degrees C/3 h, followed by hot isostatic pressing lit 1320 degrees C/3 h/200 MPa. The average grain size was 0.45 mu m. Such materials exhibit property combinations suitable for transparent armor applications. (C)2009 The Ceramic Society of Japan. All rights reserved.
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