Optical Property of Spark Plasma Sintered Translucent AlN Ceramics

Fu, Zheng Yi; Xiong, Y.; Wang, Hang

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Paper Title:

Optical Property of Spark Plasma Sintered Translucent AlN Ceramics

Periodical	Key Engineering Materials (Volumes 336 - 338)
Main Theme	High-Performance Ceramics IV
Edited by	Wei Pan and Jianghong Gong
Pages	545-548
DOI	10.4028/www.scientific.net/KEM.336-338.545
Citation	Y. Xiong et al., 2007, Key Engineering Materials, 336-338, 545
Online since	April, 2007
Authors	Y. Xiong, Zheng Yi Fu, Hang Wang
Keywords	Spark Plasma Sintering (SPS), Translucent AIN Ceramics, Transmittance
Price	US$ 28,-

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Abstract

Translucent AlN ceramics were fabricated using spark plasma sintering (SPS) technique with 3wt% CaF2 as sintering additive. The samples achieved 52.4% maximum transmittance in medium IR region after 10 min holding time by spark plasma sintering at 1800°C and 30 MPa pressure in N2. The results from XRD, SEM, TEM and EDX showed that the sintered bodies were densely compacted and highly pure with fine grain size and uniform microstructures. No secondary phases were observed at the grain boundaries and triple grain junctions, which guaranteed good optical property of the sintered bodies.