Anticorrosion Properties of Zn–Al Composite Coating Prepared by Cold Spraying
Source abstract
Abstract
In order to slow down the corrosion and wear of offshore equipment, the Zn–Al composite coating was prepared on Q345 substrate by cold spray technique. The mass fraction of Zn and Al in the raw material was 2:3. The microstructure of the original coating was observed by scanning electron microscopy (SEM) and was characterized by energy dispersive spectrometer (EDS). From the composite alloy coating obtained by cold spraying, it was observed that the Zn and Al particles were uniformly distributed without oxidation product, and the powder particles were significantly plastically deformed. The microstructure of the composite coating is very dense and has strong adhesion to the substrate. Neutral salt spray test (NSS) and electrochemical accelerated corrosion test results showed that Zn–Al composite coating can effectively provide corrosion protection.
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Research context
OpenAlex topics: Corrosion Behavior and Inhibition · High-Temperature Coating Behaviors · Magnesium Alloys: Properties and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechanical Engineering, University of Jinan, Jinan 250022, China
Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
Funding
the National Natural Science Foundation of China · Shandong Key Research and Development Plan, China · Shandong Provincial Natural Science Foundation, China · Distinguished Middle-Aged and Young Scientist Encourage and Reward Foundation of Shandong Province · Taishan Scholar Engineering Special Funding
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