Volume 30 Issue 10
Oct.  2004
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Xi Wenjun, Zhu Weili, Duan Huiping, et al. Self-reaction in-situ synthesis of TiC/FeNiCr composite coating in centrifugal field[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(10): 980-983. (in Chinese)
Citation: Xi Wenjun, Zhu Weili, Duan Huiping, et al. Self-reaction in-situ synthesis of TiC/FeNiCr composite coating in centrifugal field[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(10): 980-983. (in Chinese)

Self-reaction in-situ synthesis of TiC/FeNiCr composite coating in centrifugal field

  • Received Date: 28 Apr 2004
  • Publish Date: 31 Oct 2004
  • A TiC-FeNiCr composite materials coating on the substrate of a low carbon steel was successfully prepared using centrifugal-thermit process with raw materials Fe2O3, CrO3, NiO, Al, Ti and C powders. The microstructure of the coating were investigated using scanning electron microscope (SEM) and X-ray diffraction (XRD). The microhardness and wear-ability of the coating were measured. The results shows that the coating is composed of austenite phase and the reinforced phase TiC. The coating is metallurgical bonded to the carbon steel substrate. The TiC grain takes the shape of a polygon or petal and it’s size is lager than that of the austenite phase. The microhardness of the composite coating is about Hv 500~Hv 800, and it has good wear resistance under dry sliding wear test condition.

     

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