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TiC/TiB2-FeNiCr Composite Prepared by Thermite Reaction
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    Abstract:

    TiC/TiB2-FeNiCr composites enhanced by TiC particles and TiC-TiB2 multiphase particles were in-situ synthesized by thermite reaction. The microstructure and phase structure were investigated by electron probe microanalysis (EPMA), scanning electron microscopy (SEM), transmission electron microscope (TEM) and X-ray diffraction (XRD). The hardness and wear resistance were tested by the Vickers indentation method and friction-wear testers, respectively. Results show that the TiC/TiB2-FeNiCr composites are composed of TiC, TiC-TiB2 multiphase particles, Cr7C3, NiAl and α-FeNiCr. The Vickers hardness of composites is 13132.5 MPa. The composite mass wear loss is 4.2 mg after wearing for 1 h with 20 N force and that is nearly one third of the mass loss of 0.45C% steel.

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[Liu Yang, Xi Wenjun, Ding Zehua, Li Wenjing, Li Xiaokun, Li Shujie. TiC/TiB2-FeNiCr Composite Prepared by Thermite Reaction[J]. Rare Metal Materials and Engineering,2015,44(3):688~691.]
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History
  • Received:March 16,2014
  • Revised:
  • Adopted:
  • Online: May 29,2015
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