Optical Property of Spark Plasma Sintered Translucent AlN Ceramics


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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.



Key Engineering Materials (Volumes 336-338)

Edited by:

Wei Pan and Jianghong Gong






Y. Xiong et al., "Optical Property of Spark Plasma Sintered Translucent AlN Ceramics", Key Engineering Materials, Vols. 336-338, pp. 545-548, 2007

Online since:

April 2007




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