LI Guo-hui, DENG Xue-ying. Topological Structure Evolution and Stability of the Cross Flow Pattern Around a Slender[J]. Journal of Beijing University of Aeronautics and Astronautics, 2001, 27(6): 674-676. (in Chinese)
Citation: ZHANG Qi, GUAN Shan, HU Ru-nanet al. Effects of Heat Treatment Temperature on Properties of Hard Chromium Coating[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(4): 399-401. (in Chinese)

Effects of Heat Treatment Temperature on Properties of Hard Chromium Coating

  • Received Date: 26 Oct 2000
  • Publish Date: 30 Apr 2002
  • Microhardness and wear resistance of a hard chromium coating obtained with a solution containing organic additive were investigated as a function of heat treatment temperature. Meanwhile, XPS, EDAX and X-ray diffraction analyses were conducted to reveal the underlying micromechanism. It was found that: (1) the microhardness and the wear resistance both were significantly improved when the coating was heat-treated at 200℃~300℃ for 1 hour; (2) the content of carbon element within coating was rather high; (3) no changes in crystal structure could be detected for the heat-treated coating. Based on the above results,it was suggested that some sort of organic carbonides must be generated during the heat-treatment, which should be responsible for the properties and improvements.

     

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