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Spark Plasma Sintering of an Infrared‐Transparent Y 2 O 3 –MgO Nanocomposite
Author(s) -
Jiang DongTao,
Mukherjee Amiya K.
Publication year - 2010
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1551-2916.2009.03444.x
Subject(s) - spark plasma sintering , materials science , nanocomposite , grain size , microstructure , transmittance , sintering , annealing (glass) , ceramic , nanoscopic scale , composite material , infrared , grain growth , nanotechnology , optoelectronics , optics , physics
A novel optically transparent ceramic nanocomposite Y 2 O 3 –MgO was produced using spark plasma sintering technique. Sintering parameters was optimized to obtain fully dense material while maintaining nanoscale grain size. The sintered nanocomposite has an excellent infrared transmission as a result of small grain size and homogeneous microstructure. Postsinter annealing can significantly improve the transmission. Overly larger grain size severely degrades the transmittance.