publication . Article . 2017

Effects of Bond Coating on NiCrBSi-Mo Composite Functional Coating Properties in Plasma Spraying NiCrBSi-Mo/Ni Coating

DU Ji-yu; LI Fang-yi; LU Hai-yang; SHANG Jian-tong; LI Zhen;
Open Access Chinese
  • Published: 01 Sep 2017 Journal: Journal of Materials Engineering, volume 45, issue 9, pages 86-92 (issn: 1001-4381, eissn: 1001-4381, Copyright policy)
  • Publisher: Journal of Materials Engineering
Abstract
Nickel-based bond coating and composite functional coating were sprayed on leaf blade steel material FV520B successively by using air plasma spraying system. NiCrBSi-Mo powder deposition rate, coating porosity, bonding strength and surface hardness were tested. The results indicate that, for the NiCrBSi-Mo/Ni coating, bond coating with 180-220μm thickness can improve NiCrBSi-Mo powder deposition rate while the surface coating with lower porosity, higher bonding strength and high hardness is prepared; the increase of bond coating thickness can lead to increase of functional coating porosity in the bottom and speed up the process of porosity attenuating in the ver...
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Subjects
free text keywords: NiCrBSi-Mo/Ni coating, bond coating, porosity, bonding strength, surface hardness, attenuation procedure, lcsh:Materials of engineering and construction. Mechanics of materials, lcsh:TA401-492
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