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Crystallization and Mechanical Properties of Spodumene-Diopside Glass Ceramics

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Abstract:

The mechanical properties of spodumene-diopside glasses ceramics with 4-12% TiO2 were investigated. The main crystalline phases precipitated were eucryptite, β-spodumene and diopside. As TiO2 content increasing, the morphology of glass ceramics transformed from coarse to fine microstructure, then to reverse. The flexural strength, elastic moduli, Vickers hardness and fracture toughness of the glass-ceramics were measured. The flexural strength of glass–ceramics containing 9%TiO2 was 198MPa, the Young’s modulus and fracture toughness were 91.3GPa and 2.3 MPa·m1/2 respectively. It was indicated that the mechanical properties were correlated with crystallization and morphology of glass ceramics

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Periodical:

Key Engineering Materials (Volumes 280-283)

Pages:

1639-1642

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.280-283.1639

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Online since:

February 2007

Authors:

An Min Hu, Kai Ming Liang, Feng Zhou, Fei Peng, Guoliang Wang

Keywords:

Crystallization, Glas Ceramics, Mechanical Property

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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