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Microstructure and formation mechanism of combustion-synthesized rodlike Ca α-sialon crystals

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Abstract

The fabrication of rodlike Ca α-sialon crystals through a combustion synthesis process is reported in this paper. The main morphological features in the product included rodlike crystals, two dimensional elongated platelets, and equiaxed particles. By proper adjustment of the combustion parameters, a high productivity of rodlike Ca α-sialon crystals in the final product could be achieved. The combustion reaction mechanism and the relationship between the combustion parameters and the particle morphology were investigated.

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Authors and Affiliations

  1. State Key Laboratory of New Ceramics and Fine Processing, Department of Materials Science and Engineering, Tsinghua University, 100084, Beijing, People’s Republic of China

    Kexin Chen, Haibo Jin & Heping Zhou

  2. Department of Ceramics and Glass Engineering, UIMC, University of Aveiro, 3810-193, Aveiro, Portugal

    Kexin Chen, M. Oliveira & J. M. F. Ferreira

Authors
  1. Kexin Chen
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  2. Haibo Jin
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  3. M. Oliveira
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  4. Heping Zhou
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  5. J. M. F. Ferreira
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Corresponding author

Correspondence to J. M. F. Ferreira.

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Chen, K., Jin, H., Oliveira, M. et al. Microstructure and formation mechanism of combustion-synthesized rodlike Ca α-sialon crystals. Journal of Materials Research 16, 1928–1934 (2001). https://doi.org/10.1557/JMR.2001.0264

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  • DOI: https://doi.org/10.1557/JMR.2001.0264

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