ISSN:
1662-8985
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
YAG nanopowders were synthesized by a co-precipitation method using ammoniumhydrocarbonate and ammonia water as the precipitants respectively. The influences of precipitantson chemical compositions, phase transformation and sinterability of the prepared powders, andtransmittance of the vacuum-sintered YAG ceramics were studied. The sinterability of powderssynthesized using ammonium hydrocarbonate as precipitant is better than that with ammonia water.Pure YAG phase can be obtained by calcining the hydrate precursor at 1200°C, while some impurityphases exist when calcining the carbonate precursor at the same temperature. Transparent YAGceramics were fabricated by vacuum sintering at 1700°C for 5 h using the YAG nanopowders, andtheir in-line transmittance is about 60% in the visible light range
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/01/40/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.41-42.271.pdf
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