Cosintering of a Bimodal Pore Distribution Layered Structure: Constitutive Models and Experiments

  1. Jie Lu1,
  2. Huey Hoon Hng1,
  3. Xiaochao Song1,
  4. Tianshu Zhang2,
  5. Jan Ma3,*

Article first published online: 3 DEC 2010

DOI: 10.1111/j.1551-2916.2010.04245.x

Issue

Journal of the American Ceramic Society

Journal of the American Ceramic Society

Volume 94, Issue 5, pages 1528–1535, May 2011

Additional Information

How to Cite

Lu, J., Hng, H. H., Song, X., Zhang, T. and Ma, J. (2011), Cosintering of a Bimodal Pore Distribution Layered Structure: Constitutive Models and Experiments. Journal of the American Ceramic Society, 94: 1528–1535. doi: 10.1111/j.1551-2916.2010.04245.x

Author Information

  1. 1

    School of Materials Science and Engineering, Nanyang Technological University, 639798 Singapore, Singapore

  2. 2

    School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia

  3. 3

    Temasek Laboratories, Nanyang Technological University, 637553 Singapore, Singapore

*†Author to whom correspondence should be addressed. e-mail: asjma@ntu.edu.sg

  1. C.-H. Hsueh—contributing editor

Publication History

  1. Issue published online: 27 APR 2011
  2. Article first published online: 3 DEC 2010
  3. Manuscript No. 27896. Received April 22, 2010; approved October 14, 2010.

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8 mol% yttria-stabilized zirconia (8YSZ) dense layer and porous 8YSZ layer with bimodal pore distribution were laminated into bilayers to study the cosintering behavior of layered system. Densification and grain growth characteristics of the cosintered layers were investigated and characterized. A sintering model for cosintering was established, and applied to predict the densifications of the layered system. The theoretical predictions were found to be in good agreement with the experimental results. The mismatch stresses induced by the shrinkage rate mismatch between the two layers were also evaluated using the developed sintering model. Additionally, the developed sintering model was further used to estimate the curvature development of layered system.

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