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Sintering of heterogeneous ceramic compacts

Part 1 Al2O2-Al2O3

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Abstract

The sintering behaviour of alumina powder compacts containing inclusions has been studied. The densification rate is significantly retarded by the addition of coarse, dense, fused alumina particles. The influences of inclusion volume fraction, of inclusion size, of matrix density and of temperature on the reduction in densification rate are reported. A method is proposed for the evaluation of an effective “back stress” which opposes densification and which is generated by the presence of the inclusions.

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Author notes

  1. R. J. Brook

    Present address: Max Planck Institut für Metallforschung, Stuttgart, West Germany

Authors and Affiliations

  1. Department of Ceramics, The University of Leeds, LS2 9JT, Leeds, UK

    W. H. Tuan, E. Gilbart & R. J. Brook

Authors
  1. W. H. Tuan
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  2. E. Gilbart
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  3. R. J. Brook
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Tuan, W.H., Gilbart, E. & Brook, R.J. Sintering of heterogeneous ceramic compacts. J Mater Sci 24, 1062–1068 (1989). https://doi.org/10.1007/BF01148799

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  • DOI: https://doi.org/10.1007/BF01148799

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