Kinked Grain Boundaries in Alumina Doped with Y2O3

Polycrystalline alumina specimens with and without MgO doping show smoothly curved grain boundaries after heat treatment at 1400°C indicating their rough structure. When heat‐treated at 1400° and 1500°C for 24 h after packing in an alumina–YAG powder mixture, many grain boundaries (without any liqui...

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Veröffentlicht in:	Journal of the American Ceramic Society 2004-04, Vol.87 (4), p.717-719
Hauptverfasser:	Kim, Mi Jin, Cho, Young Kyu, Yoon, Duk Yong
Format:	Artikel
Sprache:	eng
Schlagworte:	alumina Applied sciences Building materials. Ceramics. Glasses Ceramic industries Chemical industry and chemicals Condensed matter: structure, mechanical and thermal properties Defects and impurities in crystals microstructure dopants/doping Exact sciences and technology Grain and twin boundaries grain boundaries Miscellaneous Physics Structure of solids and liquids crystallography Technical ceramics
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