Microstructure and Properties of Mooring Chain Steel Prepared by Selective Laser Melting
22MnCrNiMo steel, a high-strength low-alloy material, is primarily used in the production of mooring chains for offshore oil platforms, offshore wind turbines, and ships. The application of additive manufacturing technology allows for the direct fabrication of seamless mooring chains. This paper inv...
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MDPI AG
2025-05-01
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| Online Access: | https://www.mdpi.com/2075-4701/15/5/541 |
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| author | Xiaojie Cui Xiaoxin Li Changqing Hu Dingguo Zhao Yan Liu Shuhuan Wang |
| author_facet | Xiaojie Cui Xiaoxin Li Changqing Hu Dingguo Zhao Yan Liu Shuhuan Wang |
| author_sort | Xiaojie Cui |
| collection | DOAJ |
| description | 22MnCrNiMo steel, a high-strength low-alloy material, is primarily used in the production of mooring chains for offshore oil platforms, offshore wind turbines, and ships. The application of additive manufacturing technology allows for the direct fabrication of seamless mooring chains. This paper investigates the selective laser melting (SLM) process parameters for 22MnCrNiMo mooring chain steel, analyzing the effects of different process parameters on the microstructure, phase composition, and mechanical properties of the steel. The experimental results demonstrate that under the laser parameters of 200 W laser power, 800 mm/s scanning speed, 30 μm layer thickness, and 110 μm scanning spacing, the SLM-formed parts exhibit the best comprehensive mechanical properties, with a microhardness of 513.2 HV0.5, a tensile strength of 1223 MPa, a yield strength of 1114 MPa, an elongation of 8.5%, and an impact energy of 127 J. This study reveals the microstructure evolution and the mechanism of enhanced mechanical properties in SLM-fabricated 22MnCrNiMo steel, providing a new approach for the preparation of high-performance mooring chains using 22MnCrNiMo steel. |
| format | Article |
| id | doaj-art-4be9bf6b134947748e0c9ff2a4241d82 |
| institution | DOAJ |
| issn | 2075-4701 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | MDPI AG |
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| series | Metals |
| spelling | doaj-art-4be9bf6b134947748e0c9ff2a4241d822025-08-20T03:14:32ZengMDPI AGMetals2075-47012025-05-0115554110.3390/met15050541Microstructure and Properties of Mooring Chain Steel Prepared by Selective Laser MeltingXiaojie Cui0Xiaoxin Li1Changqing Hu2Dingguo Zhao3Yan Liu4Shuhuan Wang5School of Metallurgy and Energy, Metallurgical Engineering, North China University of Science and Technology, Tangshan 063210, ChinaSchool of Metallurgy and Energy, Metallurgical Engineering, North China University of Science and Technology, Tangshan 063210, ChinaSchool of Metallurgy and Energy, Metallurgical Engineering, North China University of Science and Technology, Tangshan 063210, ChinaSchool of Metallurgy and Energy, Metallurgical Engineering, North China University of Science and Technology, Tangshan 063210, ChinaSchool of Metallurgy and Energy, Metallurgical Engineering, North China University of Science and Technology, Tangshan 063210, ChinaSchool of Metallurgy and Energy, Metallurgical Engineering, North China University of Science and Technology, Tangshan 063210, China22MnCrNiMo steel, a high-strength low-alloy material, is primarily used in the production of mooring chains for offshore oil platforms, offshore wind turbines, and ships. The application of additive manufacturing technology allows for the direct fabrication of seamless mooring chains. This paper investigates the selective laser melting (SLM) process parameters for 22MnCrNiMo mooring chain steel, analyzing the effects of different process parameters on the microstructure, phase composition, and mechanical properties of the steel. The experimental results demonstrate that under the laser parameters of 200 W laser power, 800 mm/s scanning speed, 30 μm layer thickness, and 110 μm scanning spacing, the SLM-formed parts exhibit the best comprehensive mechanical properties, with a microhardness of 513.2 HV0.5, a tensile strength of 1223 MPa, a yield strength of 1114 MPa, an elongation of 8.5%, and an impact energy of 127 J. This study reveals the microstructure evolution and the mechanism of enhanced mechanical properties in SLM-fabricated 22MnCrNiMo steel, providing a new approach for the preparation of high-performance mooring chains using 22MnCrNiMo steel.https://www.mdpi.com/2075-4701/15/5/541mooring chain steelselective laser meltingmicrostructuremachine property |
| spellingShingle | Xiaojie Cui Xiaoxin Li Changqing Hu Dingguo Zhao Yan Liu Shuhuan Wang Microstructure and Properties of Mooring Chain Steel Prepared by Selective Laser Melting Metals mooring chain steel selective laser melting microstructure machine property |
| title | Microstructure and Properties of Mooring Chain Steel Prepared by Selective Laser Melting |
| title_full | Microstructure and Properties of Mooring Chain Steel Prepared by Selective Laser Melting |
| title_fullStr | Microstructure and Properties of Mooring Chain Steel Prepared by Selective Laser Melting |
| title_full_unstemmed | Microstructure and Properties of Mooring Chain Steel Prepared by Selective Laser Melting |
| title_short | Microstructure and Properties of Mooring Chain Steel Prepared by Selective Laser Melting |
| title_sort | microstructure and properties of mooring chain steel prepared by selective laser melting |
| topic | mooring chain steel selective laser melting microstructure machine property |
| url | https://www.mdpi.com/2075-4701/15/5/541 |
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