Investigation of the dissolution-precipitation behavior and properties of high-speed laser cladding WC/316L composite coatings
Abstract High-speed Laser Cladding (HLC) technology was used to fabricate WC/316L composite coatings with varying WC contents on a 316 L alloy substrate. The microstructure of the coatings, along with the dissolution and precipitation behavior of WC and the wear mechanism, were investigated. The res...
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Nature Portfolio
2025-05-01
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| Series: | Scientific Reports |
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| Online Access: | https://doi.org/10.1038/s41598-025-02413-0 |
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| author | Pi Ziqiang Du Kaiping Chen Xing Zheng Zhaoran Wang Chen |
| author_facet | Pi Ziqiang Du Kaiping Chen Xing Zheng Zhaoran Wang Chen |
| author_sort | Pi Ziqiang |
| collection | DOAJ |
| description | Abstract High-speed Laser Cladding (HLC) technology was used to fabricate WC/316L composite coatings with varying WC contents on a 316 L alloy substrate. The microstructure of the coatings, along with the dissolution and precipitation behavior of WC and the wear mechanism, were investigated. The results show that during the cladding process, the edges of WC dissolve to form a W-rich zone. Upon cooling, W atoms nucleate and precipitate carbides at the WC/316L interface, resulting in strong interfacial bonding between WC and the 316 L substrate. The phases in the coating include austenite, WC, M2C, M7C3, and M3C2. As the WC content increases, the austenite content decreases. WC enhances the wear resistance of the coating by increasing hardness, dispersing the load on the matrix, and passivating wear debris. The wear rate of the 316 L + 30WC coating is only 27% of that of the 316 L alloy. |
| format | Article |
| id | doaj-art-790ea0a859fa4de9b0afb9c3f18ac760 |
| institution | OA Journals |
| issn | 2045-2322 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-790ea0a859fa4de9b0afb9c3f18ac7602025-08-20T02:29:51ZengNature PortfolioScientific Reports2045-23222025-05-011511910.1038/s41598-025-02413-0Investigation of the dissolution-precipitation behavior and properties of high-speed laser cladding WC/316L composite coatingsPi Ziqiang0Du Kaiping1Chen Xing2Zheng Zhaoran3Wang Chen4BGRIMM Technology GroupBGRIMM Technology GroupBGRIMM Technology GroupBGRIMM Technology GroupBGRIMM Technology GroupAbstract High-speed Laser Cladding (HLC) technology was used to fabricate WC/316L composite coatings with varying WC contents on a 316 L alloy substrate. The microstructure of the coatings, along with the dissolution and precipitation behavior of WC and the wear mechanism, were investigated. The results show that during the cladding process, the edges of WC dissolve to form a W-rich zone. Upon cooling, W atoms nucleate and precipitate carbides at the WC/316L interface, resulting in strong interfacial bonding between WC and the 316 L substrate. The phases in the coating include austenite, WC, M2C, M7C3, and M3C2. As the WC content increases, the austenite content decreases. WC enhances the wear resistance of the coating by increasing hardness, dispersing the load on the matrix, and passivating wear debris. The wear rate of the 316 L + 30WC coating is only 27% of that of the 316 L alloy.https://doi.org/10.1038/s41598-025-02413-0High-speed laser claddingWC/316L composite coatingMicrostructure and properties |
| spellingShingle | Pi Ziqiang Du Kaiping Chen Xing Zheng Zhaoran Wang Chen Investigation of the dissolution-precipitation behavior and properties of high-speed laser cladding WC/316L composite coatings Scientific Reports High-speed laser cladding WC/316L composite coating Microstructure and properties |
| title | Investigation of the dissolution-precipitation behavior and properties of high-speed laser cladding WC/316L composite coatings |
| title_full | Investigation of the dissolution-precipitation behavior and properties of high-speed laser cladding WC/316L composite coatings |
| title_fullStr | Investigation of the dissolution-precipitation behavior and properties of high-speed laser cladding WC/316L composite coatings |
| title_full_unstemmed | Investigation of the dissolution-precipitation behavior and properties of high-speed laser cladding WC/316L composite coatings |
| title_short | Investigation of the dissolution-precipitation behavior and properties of high-speed laser cladding WC/316L composite coatings |
| title_sort | investigation of the dissolution precipitation behavior and properties of high speed laser cladding wc 316l composite coatings |
| topic | High-speed laser cladding WC/316L composite coating Microstructure and properties |
| url | https://doi.org/10.1038/s41598-025-02413-0 |
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