The elevated temperature oxidation and wear behavior of Fe20Co20Ni20Cr8Mo12B10Si10 high-entropy alloy coating by laser cladding
High-entropy alloy coatings show great potentiality in improving elevated temperature oxidation and wear resistance. In this study, Fe20Co20Ni20Cr8Mo12B10Si10 high-entropy alloy coating was prepared on 42CrMo alloy structural steel by laser cladding. The elevated temperature oxidation and wear resis...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-03-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785424004290 |
| _version_ | 1827310729420603392 |
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| author | Guosong Zhang Zongjia Zhang Jiyuan Xuan Bing Chen Di Jiang Xiaojie Song |
| author_facet | Guosong Zhang Zongjia Zhang Jiyuan Xuan Bing Chen Di Jiang Xiaojie Song |
| author_sort | Guosong Zhang |
| collection | DOAJ |
| description | High-entropy alloy coatings show great potentiality in improving elevated temperature oxidation and wear resistance. In this study, Fe20Co20Ni20Cr8Mo12B10Si10 high-entropy alloy coating was prepared on 42CrMo alloy structural steel by laser cladding. The elevated temperature oxidation and wear resistance were investigated at room temperature and elevated temperature (600 °C). The crystal structure of the coating changed from a dual-phase structure consisting of BCC (dominant phase) and FCC phase to a single FCC structure with the production of SiO2, MoO3, Cr2O3 and NiCr2O4 after 600 °C oxidation for 200 h. The oxidation rate of the coating was 1.21 × 10−3 mg/(mm2·h), one fifth that of 42CrMo steel. The tribological properties of the coating shown no significant difference at room and elevated temperature with an average coefficient of friction and the wear rate about 0.46 and 0.02 mm3/N·m, respectively. The oxide film generated on the surface of the coating was dense and uniform, providing excellent oxidation and wear resistance at elevated temperature. |
| first_indexed | 2024-03-07T21:43:34Z |
| format | Article |
| id | doaj.art-76ee602896b04ff98308fa01a3d4fa73 |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-04-24T20:04:36Z |
| publishDate | 2024-03-01 |
| publisher | Elsevier |
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| series | Journal of Materials Research and Technology |
| spelling | doaj.art-76ee602896b04ff98308fa01a3d4fa732024-03-24T06:58:27ZengElsevierJournal of Materials Research and Technology2238-78542024-03-012942164231The elevated temperature oxidation and wear behavior of Fe20Co20Ni20Cr8Mo12B10Si10 high-entropy alloy coating by laser claddingGuosong Zhang0Zongjia Zhang1Jiyuan Xuan2Bing Chen3Di Jiang4Xiaojie Song5School of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao, 266590, China; Corresponding author.School of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao, 266590, ChinaSchool of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao, 266590, ChinaSchool of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao, 266590, ChinaSchool of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao, 266590, China; Corresponding author.School of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao, 266590, ChinaHigh-entropy alloy coatings show great potentiality in improving elevated temperature oxidation and wear resistance. In this study, Fe20Co20Ni20Cr8Mo12B10Si10 high-entropy alloy coating was prepared on 42CrMo alloy structural steel by laser cladding. The elevated temperature oxidation and wear resistance were investigated at room temperature and elevated temperature (600 °C). The crystal structure of the coating changed from a dual-phase structure consisting of BCC (dominant phase) and FCC phase to a single FCC structure with the production of SiO2, MoO3, Cr2O3 and NiCr2O4 after 600 °C oxidation for 200 h. The oxidation rate of the coating was 1.21 × 10−3 mg/(mm2·h), one fifth that of 42CrMo steel. The tribological properties of the coating shown no significant difference at room and elevated temperature with an average coefficient of friction and the wear rate about 0.46 and 0.02 mm3/N·m, respectively. The oxide film generated on the surface of the coating was dense and uniform, providing excellent oxidation and wear resistance at elevated temperature.http://www.sciencedirect.com/science/article/pii/S2238785424004290Laser claddingFe20Co20Ni20Cr8Mo12B10Si10MicrostructureWear resistanceOxidation resistance |
| spellingShingle | Guosong Zhang Zongjia Zhang Jiyuan Xuan Bing Chen Di Jiang Xiaojie Song The elevated temperature oxidation and wear behavior of Fe20Co20Ni20Cr8Mo12B10Si10 high-entropy alloy coating by laser cladding Journal of Materials Research and Technology Laser cladding Fe20Co20Ni20Cr8Mo12B10Si10 Microstructure Wear resistance Oxidation resistance |
| title | The elevated temperature oxidation and wear behavior of Fe20Co20Ni20Cr8Mo12B10Si10 high-entropy alloy coating by laser cladding |
| title_full | The elevated temperature oxidation and wear behavior of Fe20Co20Ni20Cr8Mo12B10Si10 high-entropy alloy coating by laser cladding |
| title_fullStr | The elevated temperature oxidation and wear behavior of Fe20Co20Ni20Cr8Mo12B10Si10 high-entropy alloy coating by laser cladding |
| title_full_unstemmed | The elevated temperature oxidation and wear behavior of Fe20Co20Ni20Cr8Mo12B10Si10 high-entropy alloy coating by laser cladding |
| title_short | The elevated temperature oxidation and wear behavior of Fe20Co20Ni20Cr8Mo12B10Si10 high-entropy alloy coating by laser cladding |
| title_sort | elevated temperature oxidation and wear behavior of fe20co20ni20cr8mo12b10si10 high entropy alloy coating by laser cladding |
| topic | Laser cladding Fe20Co20Ni20Cr8Mo12B10Si10 Microstructure Wear resistance Oxidation resistance |
| url | http://www.sciencedirect.com/science/article/pii/S2238785424004290 |
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