Enhanced corrosion resistance of high speed laser-cladded Ni/316L alloy coating by heat treatment
The heat treatment was performed on the high speed laser-cladded Ni/316L coating to improve the corrosion resistance. The coatings were heat treated at temperatures of 650 °C, 700 °C, 750 °C and 800 °C, respectively. The results show that the porosity of the coating was independent of the annealing...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2023-05-01
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| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785423005288 |
| _version_ | 1827920339587301376 |
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| author | Hui Dong Peng-Fei Guo Yan Han Ru-Xue Bai Zi-Chen Yang San-Qi Zhang |
| author_facet | Hui Dong Peng-Fei Guo Yan Han Ru-Xue Bai Zi-Chen Yang San-Qi Zhang |
| author_sort | Hui Dong |
| collection | DOAJ |
| description | The heat treatment was performed on the high speed laser-cladded Ni/316L coating to improve the corrosion resistance. The coatings were heat treated at temperatures of 650 °C, 700 °C, 750 °C and 800 °C, respectively. The results show that the porosity of the coating was independent of the annealing temperature and the chemical composition of the coating could be perfectly retained after heat treatment. The grain size first decreased and then increased with heat treatment temperature. The content of equiaxed grains and the Fe19Ni precipitation phase increased with increasing temperature. Due to the precipitation, the corrosion resistance of the heat-treated coating was higher than that of the as-cladded coating. Based on the coupled effect of precipitation and grain morphology, the corrosion resistance of the heat-treated coating first increased and then decreased. Therefore, the corrosion resistance could be improved by annealing, but need applicable parameters. |
| first_indexed | 2024-03-13T04:10:22Z |
| format | Article |
| id | doaj.art-66212f1d9a944e2c97480f69964c6d0f |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-03-13T04:10:22Z |
| publishDate | 2023-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-66212f1d9a944e2c97480f69964c6d0f2023-06-21T06:55:44ZengElsevierJournal of Materials Research and Technology2238-78542023-05-0124952962Enhanced corrosion resistance of high speed laser-cladded Ni/316L alloy coating by heat treatmentHui Dong0Peng-Fei Guo1Yan Han2Ru-Xue Bai3Zi-Chen Yang4San-Qi Zhang5Xi'an Key Laboratory of High Performance Oil and Gas Field Materials, School of Materials Science and Engineering, Xi'an Shiyou University, Xi'an, Shaanxi, 710065, PR China; Corresponding author.Xi'an Key Laboratory of High Performance Oil and Gas Field Materials, School of Materials Science and Engineering, Xi'an Shiyou University, Xi'an, Shaanxi, 710065, PR ChinaCNPC Tubular Goods Research Institute, State Key Laboratory for Performance and Structure Safety of Petroleum Tubular Goods and Equipment Materials, Xi'an, Shaanxi, 710077, PR ChinaXi'an Key Laboratory of High Performance Oil and Gas Field Materials, School of Materials Science and Engineering, Xi'an Shiyou University, Xi'an, Shaanxi, 710065, PR ChinaXi'an Key Laboratory of High Performance Oil and Gas Field Materials, School of Materials Science and Engineering, Xi'an Shiyou University, Xi'an, Shaanxi, 710065, PR ChinaXi'an Key Laboratory of High Performance Oil and Gas Field Materials, School of Materials Science and Engineering, Xi'an Shiyou University, Xi'an, Shaanxi, 710065, PR ChinaThe heat treatment was performed on the high speed laser-cladded Ni/316L coating to improve the corrosion resistance. The coatings were heat treated at temperatures of 650 °C, 700 °C, 750 °C and 800 °C, respectively. The results show that the porosity of the coating was independent of the annealing temperature and the chemical composition of the coating could be perfectly retained after heat treatment. The grain size first decreased and then increased with heat treatment temperature. The content of equiaxed grains and the Fe19Ni precipitation phase increased with increasing temperature. Due to the precipitation, the corrosion resistance of the heat-treated coating was higher than that of the as-cladded coating. Based on the coupled effect of precipitation and grain morphology, the corrosion resistance of the heat-treated coating first increased and then decreased. Therefore, the corrosion resistance could be improved by annealing, but need applicable parameters.http://www.sciencedirect.com/science/article/pii/S2238785423005288High speed laser claddingHeat treatmentNi/316L coatingCorrosion resistance |
| spellingShingle | Hui Dong Peng-Fei Guo Yan Han Ru-Xue Bai Zi-Chen Yang San-Qi Zhang Enhanced corrosion resistance of high speed laser-cladded Ni/316L alloy coating by heat treatment Journal of Materials Research and Technology High speed laser cladding Heat treatment Ni/316L coating Corrosion resistance |
| title | Enhanced corrosion resistance of high speed laser-cladded Ni/316L alloy coating by heat treatment |
| title_full | Enhanced corrosion resistance of high speed laser-cladded Ni/316L alloy coating by heat treatment |
| title_fullStr | Enhanced corrosion resistance of high speed laser-cladded Ni/316L alloy coating by heat treatment |
| title_full_unstemmed | Enhanced corrosion resistance of high speed laser-cladded Ni/316L alloy coating by heat treatment |
| title_short | Enhanced corrosion resistance of high speed laser-cladded Ni/316L alloy coating by heat treatment |
| title_sort | enhanced corrosion resistance of high speed laser cladded ni 316l alloy coating by heat treatment |
| topic | High speed laser cladding Heat treatment Ni/316L coating Corrosion resistance |
| url | http://www.sciencedirect.com/science/article/pii/S2238785423005288 |
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