CHAI Ting-xi,YAN Li-qin,XU Hong-tong,JIANG Kai,LIU Peng.Corrosion Behavior of Nickel-based Alloy Cladding Layer on Q235 Weld in NaCl Solution[J],52(3):276-286
Corrosion Behavior of Nickel-based Alloy Cladding Layer on Q235 Weld in NaCl Solution
  
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DOI:10.16490/j.cnki.issn.1001-3660.2023.03.025
KeyWord:Q235 weld  laser cladding coating  plasma cladding coating  Ni60 coating  corrosion behavior
              
AuthorInstitution
CHAI Ting-xi School of Bailie Mechanical Engineering, Lanzhou , China
YAN Li-qin School of Bailie Mechanical Engineering, Lanzhou , China
XU Hong-tong School of Bailie Mechanical Engineering, Lanzhou , China
JIANG Kai School of Electronic Engineering, Lanzhou City University, Lanzhou , China
LIU Peng School of Bailie Mechanical Engineering, Lanzhou , China
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Abstract:
      The work aims to prepare Ni60 nickel based corrosion resistant coatings on the weld surface of Q235 low carbon steel by laser cladding technology and plasma cladding technology. Corrosion resistance of the sample in 3.5% NaCl solution was tested by weight-loss corrosion and electrochemical corrosion tests. The microstructure morphology, chemical composition, coating phase and electronic structure of corrosion product film on the surface of the corrosion sample were tested by OM, SEM, EDS, XRD and XPS, so as to reveal the corrosion resistance mechanism of Ni60 corrosion-resistant coating.
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