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Volume 13
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10.3390/coatings13030625
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Article

Research of On-Line Monitoring Technology Based on Laser Triangulation for Surface Morphology of Extreme High-Speed Laser Cladding Coating

by
Jing Wang
1,2,3,
Chao Ai
1,*,
Fei Guo
2,3,
Xiao Yun
2,3 and
Xun Zhu
2,3
1
School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China
2
Jiangsu Xuzhou Construction Machinery Research Institute Co., Ltd., Xuzhou Construction Machinery Group, Xuzhou 221004, China
3
State Key Laboratory of Intelligent Manufacturing of Advanced Construction Machinery, Xuzhou 221004, China
*
Author to whom correspondence should be addressed.
Coatings 2023, 13(3), 625; https://doi.org/10.3390/coatings13030625
Submission received: 20 February 2023 / Revised: 9 March 2023 / Accepted: 13 March 2023 / Published: 16 March 2023
(This article belongs to the Section Surface Characterization, Deposition and Modification)
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Abstract

This work aims to develop a novel method for on-line monitoring of coating quality during the Extreme High-speed Laser Cladding (EHLA) process. JG-11 coating was prepared by EHLA, and microstructure, microhardness, corrosion performance, and scratch resistance were investigated. To analyze the influences of fluctuations in processing parameters on coating quality, a single-factor experiment scheme was designed and an on-line monitoring system based on laser triangulation was built. Furthermore, a new forming method for the surface profile of EHLA coating was proposed, and a new comprehensive evaluation index of surface morphology was accordingly designed. Benefitting from the extremely high cooling rate, EHLA JG-11 coating had fine grains, high hardness, and better corrosion resistance and scratch resistance than those of Electroplating Hard Chromium (EHC). The results revealed that the surface morphologies presented different characteristics due to the fluctuations of process parameters, such as high surface flatness, deep pits, small peaks, poor directionality, etc. The comprehensive evaluation index composed of Sa, Ssk, and Str could effectively characterize the surface morphology of EHLA coating, which proved that the monitoring system and evaluation method could realize on-line monitoring of the process parameters during the EHLA process.
Keywords: on-line monitoring; surface morphology; laser triangulation; 3D roughness parameters; extreme high-speed laser cladding on-line monitoring; surface morphology; laser triangulation; 3D roughness parameters; extreme high-speed laser cladding

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MDPI and ACS Style

Wang, J.; Ai, C.; Guo, F.; Yun, X.; Zhu, X. Research of On-Line Monitoring Technology Based on Laser Triangulation for Surface Morphology of Extreme High-Speed Laser Cladding Coating. Coatings 2023, 13, 625. https://doi.org/10.3390/coatings13030625

AMA Style

Wang J, Ai C, Guo F, Yun X, Zhu X. Research of On-Line Monitoring Technology Based on Laser Triangulation for Surface Morphology of Extreme High-Speed Laser Cladding Coating. Coatings. 2023; 13(3):625. https://doi.org/10.3390/coatings13030625

Chicago/Turabian Style

Wang, Jing, Chao Ai, Fei Guo, Xiao Yun, and Xun Zhu. 2023. "Research of On-Line Monitoring Technology Based on Laser Triangulation for Surface Morphology of Extreme High-Speed Laser Cladding Coating" Coatings 13, no. 3: 625. https://doi.org/10.3390/coatings13030625

APA Style

Wang, J., Ai, C., Guo, F., Yun, X., & Zhu, X. (2023). Research of On-Line Monitoring Technology Based on Laser Triangulation for Surface Morphology of Extreme High-Speed Laser Cladding Coating. Coatings, 13(3), 625. https://doi.org/10.3390/coatings13030625

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