NDLI: Effect of laser remelting on the microstructure and corrosion resistance of plasma sprayed Fe-based coating

Content Provider	Springer Nature Link
Author	Jiang, Chaoping Wang, Junxing Han, Jianjun Lu, Yuan Xing, Yazhe Chen, Yongnan Song, Xuding
Copyright Year	2015
Abstract	Fe-based amorphous and nanocrystalline coatings were fabricated by air plasma spraying. The coatings were further treated by laser remelting process to improve their microstructure and properties. The corrosion resistance of the as-sprayed and laser-remelted coatings in 3.5wt% NaCl and 1 mol/L HCl solutions was evaluated by electrochemical polarization analysis. It was found that laser-remelted coating appeared much denser than the as-sprayed coating. However, laser-remelted coating contains much more nanocrystalline grains than the as-sprayed coatings, resulting from the lower cooling rate in laser remelting process compared with plasma spraying process. Electrochemical polarization results indicated that the laser-remelted coating has great corrosion resistance than the as-sprayed coating because of its dense structure.
Starting Page	804
Ending Page	807
Page Count	4
File Format	PDF
ISSN	10002413
Journal	Journal of Wuhan University of Technology-Mater. Sci. Ed.
Volume Number	30
Issue Number	4
e-ISSN	19930437
Language	English
Publisher	Wuhan University of Technology
Publisher Date	2015-07-30
Publisher Place	Wuhan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	plasma spraying coating laser remelting corrosion Materials Science
Content Type	Text
Resource Type	Article
Subject	Materials Science

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Effect of laser remelting on the microstructure and corrosion resistance of plasma sprayed Fe-based coating