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Fabrication of transparent YAG ceramics from co-precipitation synthesized nanopowders

journal contribution
posted on 06.12.2017, 00:00 by G Lv, X Li, D Huo, X Sun, S Chen, CT Tsai, Y Liu, Kai Duan
YAG nanopowders were synthesized by a co-precipitation method using ammonium hydrocarbonate and ammonia water as the precipitants respectively. The influences of precipitants on chemical compositions, phase transformation and sinterability of the prepared powders, and transmittance of the vacuum-sintered YAG ceramics were studied. The sinterability of powders synthesized 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 impurity phases exist when calcining the carbonate precursor at the same temperature. Transparent YAG ceramics were fabricated by vacuum sintering at 1700°C for 5 h using the YAG nanopowders, and their in-line transmittance is about 60% in the visible light range.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Issue

41-42

Start Page

271

End Page

276

Number of Pages

6

ISSN

1022-6680

Location

Switzerland

Publisher

Trans Tech Publications

Language

en-aus

Peer Reviewed

Yes

Open Access

No

External Author Affiliations

Biennial Conference; Dongbei da xue (1993); Florida Atlantic University; Institute for Resource Industries and Sustainability (IRIS); University of Western Australia;

Era Eligible

Yes

Journal

Advanced materials research.

Exports

CQUniversity

Categories

Exports