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Porous Alumina Ceramics Fabricated by Freeze Casting Method

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Abstract:

Alumina ceramics with inter-connected pores were fabricated by freeze casting method. The open porosity and fracture strength were controlled by the concentration of Al2O3 slurry and sintering temperature. Sintered at 1600°C, the open porosity and fracture strength of Al2O3 ceramics fabricated by the slurry with concentration of 70wt% are 46.4% and 23.8 MPa, respectively.

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Periodical:

Advanced Materials Research (Volumes 518-523)

Pages:

665-668

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.518-523.665

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Online since:

May 2012

Authors:

Kai Hui Zuo, Yu Ping Zeng, Qing Ling Lin

Keywords:

Fracture Strength, Freeze Casting Method, Open Porosity, Porous Al2O3 Ceramics

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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