WANG Yong-gang,LIU Xin,SUN Liang,WANG Qiang.Bonding Strength and Corrosion Resistance of Al-Ni Composite Coatings[J],51(7):176-185
Bonding Strength and Corrosion Resistance of Al-Ni Composite Coatings
  
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DOI:10.16490/j.cnki.issn.1001-3660.2022.07.017
KeyWord:pressure vessel  Al-Ni composite coatings  bonding strength  corrosion resistance
           
AuthorInstitution
WANG Yong-gang School of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an , China;Key Laboratory of Special Equipment Safety and Energy-saving for State Market Regulation, China Special Equipment Inspection and Research Institute CSEI, Beijing , China
LIU Xin Key Laboratory of Special Equipment Safety and Energy-saving for State Market Regulation, China Special Equipment Inspection and Research Institute CSEI, Beijing , China
SUN Liang Key Laboratory of Special Equipment Safety and Energy-saving for State Market Regulation, China Special Equipment Inspection and Research Institute CSEI, Beijing , China
WANG Qiang School of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an , China
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Abstract:
      With the basic equipment of national economic development, pressure vessel is widely used in the sector of petroleum, chemical, energy and other industries. However, due to the complex working environment, the surface of the equipment is easy to generate mechanical scratches, corrosion and wear defects, which affect the service life of the plate. As a rapid prototyping technology characterized by low temperature and solid deposition of powder, cold spraying technology has been widely used in additive manufacturing, anti-corrosion coating preparation, repair and remanufacturing. In this paper, pure Al coating and Al-Ni composite coating are prepared on the surface of Q345R steel by adding different contents of Ni powder in cold spraying Al powder. The influence of Ni powder particles in terms of the bonding strength and corrosion resistance of the coatings is systematically studied.
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