Intragranular Porous Aluminum Titanate Ceramics with Low Thermal Expansion and High Strength Simultaneously

Gang Xu; Wan Bo He; Yi Qiang Li; Yong Gang Wang; Gao Rong Han

doi:10.4028/www.scientific.net/AMR.156-157.1713

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Simulation on Extrusion Comminution Model of Roller Press
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 156-157Intragranular Porous Aluminum Titanate Ceramics...

Intragranular Porous Aluminum Titanate Ceramics with Low Thermal Expansion and High Strength Simultaneously

Abstract:

Intragranular porous aluminum titanate ceramics were prepared by using graphite powder as pore-forming agent and magnesium-doped aluminum titanate powder as starting material. FESEM was employed to observe the microstructure. In order to investigate the expansion behavior and mechanical property, the dilatometric curve and three-point flexural strength of the prepared aluminum titanate ceramics were measured respectively. The results demonstrate that because of the formation of the intragranular pores, the aluminum titanate ceramics are of low thermal expansion and high strength simultaneously.

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Periodical:

Advanced Materials Research (Volumes 156-157)

Pages:

1713-1716

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.156-157.1713

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Online since:

October 2010

Authors:

Gang Xu, Wan Bo He, Yi Qiang Li, Yong Gang Wang, Gao Rong Han

Keywords:

Ceramic Matrix Composite (CMC), Fracture Mechanic, Fracture Toughness, Porous Material, Thermal Expansion, Titanate

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