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Preparation of β-Sialon/ZrN bonded corundum composites from zircon by nitridation reaction sintering process

  • Bei-yue Ma (马北越)
  • Jing-kun Yu (于景坤)Email author
  • Tao Liu (刘 涛)
  • Zheng-guo Yan (颜正国)
Article

Abstract

β-Sialon/ZrN bonded corundum composites were synthesized using fused white corundum, alumina micro powder, zircon and carbon black by nitridation reaction sintering process. Phase composition and microstructure of the synthesized composites were investigated by X-ray powder diffraction and scanning electronic microscope, and the formation process of the composites was discussed. The results show that the composites with different compositions can be obtained by controlling the heating temperature and contents of zircon and carbon black. The proper temperature to synthesize the composites is 1 773 K.

Key words

β-Sialon ZrN zircon corundum composites nitridation reaction sintering process 

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Copyright information

© Central South University Press and Springer Berlin Heidelberg 2009

Authors and Affiliations

  • Bei-yue Ma (马北越)
    • 1
  • Jing-kun Yu (于景坤)
    • 1
    Email author
  • Tao Liu (刘 涛)
    • 1
  • Zheng-guo Yan (颜正国)
    • 1
  1. 1.School of Materials and MetallurgyNortheastern UniversityShenyangChina

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