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Highly dense, transparent α-Al₂O₃ ceramics from ultrafine nanoparticles via a standard SPS sintering

Roussel, Nicolas and Lallemant, Lucile and Chane-Ching, Jean-Yves and Guillemet-Fritsch, Sophie and Durand, Bernard and Garnier, Vincent and Bonnefont, Guillaume and Fantozzi, Gilbert and Bonneau, Lionel and Trombert, Sandrine and Garcia-Gutierrez, Domingo Highly dense, transparent α-Al₂O₃ ceramics from ultrafine nanoparticles via a standard SPS sintering. (2013) Journal of the American Ceramic Society, 96 (4). 1039-1042. ISSN 0002-7820

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Official URL: http://dx.doi.org/10.1111/jace.12255


Using discrete, ultrafine alumina, highly dense transparent (71% real in-line transmission, RIT, λ = 640 nm) ceramics were achieved with grain size as small as 260 nm using standard SPS sintering. We show that use of La³⁺ as a dopant greatly reduces sensitivity to the sintering temperatures. Transparent alumina were achieved in a large range of sintering temperatures, 1140°C < T < 1200°C, thus providing better reliability and flexibility into the fabrication of large sintered transparent ceramic bodies.

Item Type:Article
Additional Information:Thanks to Wiley-Blackwell editor. The definitive version is available at http://onlinelibrary.wiley.com The original PDF can be found at Journal of the American Ceramic Society website: http://onlinelibrary.wiley.com/doi/10.1111/jace.12255/abstract;jsessionid=C145CADD2C8E5F3361641C86006D911E.f01t03
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Other partners > Institut National des Sciences Appliquées de Lyon - INSA (FRANCE)
Other partners > Universidad Autónoma de Nuevo León - UANL (MEXICO)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Baikowski (FRANCE)
Laboratory name:
Deposited On:04 Oct 2013 10:43

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