Prestressed Ceramics Lateral Confined by Aluminum Alloy

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This article presents the results for the prestress of ceramics lateral confined by aluminum alloy. Prestressed ceramics composite is produced by casting molten aluminum alloy around a hot ceramic tile and then cooling it down with blowing air. Different technical parameters of the casting are investigated. Al2O3/ZrO2(4Y) composite ceramics alumina tiles prepared by combustion synthesis under high gravity are used in this study to investigate the effect of confinement and prestress. The samples of ceramics are lateral confined by aluminum alloy, which lead to monaxial compressive stress in the tile and tensile stress in the metal. Thin and thick target configurations are used to understand the effect on pre-stressing performance, which simply and approximately allows high monaxial compressive pre-stresses. The residual stress in the metal should be lower than the yield strength of the metal, and this requirement can be approximately realized by Vickers indentation crack length.

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Periodical:

Edited by:

Yiwang Bao, Li Tian and Jianghong Gong

Pages:

669-672

DOI:

10.4028/www.scientific.net/AMR.177.669

Citation:

B. C. Xu et al., "Prestressed Ceramics Lateral Confined by Aluminum Alloy", Advanced Materials Research, Vol. 177, pp. 669-672, 2011

Online since:

December 2010

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$35.00

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