Volume 30 Issue 10
Oct.  2004
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Li Shusuo, Zhou Chungen, Gong Shengkai, et al. Effect of ball blasting on the service properties of NiCoCrAlY coating of the alloy IC6 vane[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(10): 989-992. (in Chinese)
Citation: Li Shusuo, Zhou Chungen, Gong Shengkai, et al. Effect of ball blasting on the service properties of NiCoCrAlY coating of the alloy IC6 vane[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(10): 989-992. (in Chinese)

Effect of ball blasting on the service properties of NiCoCrAlY coating of the alloy IC6 vane

  • Received Date: 28 Apr 2004
  • Publish Date: 31 Oct 2004
  • NiCoCrAlY overlay coating was deposited on the vane made of alloy IC6 by arc physics vapour deposit(PVD). In order to improve the surface roughness of the vane, a ball blasting treatment was operated. It shows that the surface roughness obviously got improved, the original average value of the roughness is 2.04 μm, but the value is only 1.02 μm after treatment. After 22 cycles in the thermal shock experiment, the bonding between coating and matrix is still fine in spite of ball blasting treatment or not, but the treatment can furtherly improve the oxidation resistance.

     

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