Effect of boron on the microstructure and properties of Cu–15Ni–8Sn alloy
Cu–15Ni–8Sn alloy stands out as a superior alternative to toxic and expensive Cu–Be alloys, due to its high strength and excellent corrosion resistance, particularly in applications such as deep-sea pipelines, bearings, and electronics in marine engineering. In this work, effect of boron on the mech...
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| Language: | English |
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Elsevier
2025-05-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785425011263 |
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| author | Haoran Wang Junqing Han Yuying Wu Jinchuan Jie |
| author_facet | Haoran Wang Junqing Han Yuying Wu Jinchuan Jie |
| author_sort | Haoran Wang |
| collection | DOAJ |
| description | Cu–15Ni–8Sn alloy stands out as a superior alternative to toxic and expensive Cu–Be alloys, due to its high strength and excellent corrosion resistance, particularly in applications such as deep-sea pipelines, bearings, and electronics in marine engineering. In this work, effect of boron on the mechanical properties and corrosion behavior of Cu–15Ni–8Sn alloy has been investigated. It was indicated that the precipitation of the second phase Ni6.67SnB2 can significantly inhibit the formation and growth of discontinuous precipitates. The higher content of elemental boron, the greater the number of the second phase under the condition of controlling the amount of boron added in this experiment. This leads to a subsequent rise in hardness, with the highest recorded hardness reaching 368 HV. The alloy also exhibits commendable tensile strength, with the ultimate tensile strength, elongation, and yield strength enhanced to 1.08 GPa, 14.3 %, and 862.7 MPa, respectively. Furthermore, the corrosion resistance of the Cu–15Ni–8Sn alloy was demonstrated to improve by electrochemical corrosion test after the introduction of boron. |
| format | Article |
| id | doaj-art-c3582d0e29d84023aa4275dbf62ff082 |
| institution | DOAJ |
| issn | 2238-7854 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-c3582d0e29d84023aa4275dbf62ff0822025-08-20T03:09:12ZengElsevierJournal of Materials Research and Technology2238-78542025-05-01367387739810.1016/j.jmrt.2025.04.305Effect of boron on the microstructure and properties of Cu–15Ni–8Sn alloyHaoran Wang0Junqing Han1Yuying Wu2Jinchuan Jie3Key Laboratory of Liquid-solid Structure Evolution and Processing of Materials, Ministry of Education, Shandong University, Jinan, 250061, ChinaKey Laboratory of Liquid-solid Structure Evolution and Processing of Materials, Ministry of Education, Shandong University, Jinan, 250061, ChinaKey Laboratory of Liquid-solid Structure Evolution and Processing of Materials, Ministry of Education, Shandong University, Jinan, 250061, China; Corresponding author.Dalian University of Technology, ChinaCu–15Ni–8Sn alloy stands out as a superior alternative to toxic and expensive Cu–Be alloys, due to its high strength and excellent corrosion resistance, particularly in applications such as deep-sea pipelines, bearings, and electronics in marine engineering. In this work, effect of boron on the mechanical properties and corrosion behavior of Cu–15Ni–8Sn alloy has been investigated. It was indicated that the precipitation of the second phase Ni6.67SnB2 can significantly inhibit the formation and growth of discontinuous precipitates. The higher content of elemental boron, the greater the number of the second phase under the condition of controlling the amount of boron added in this experiment. This leads to a subsequent rise in hardness, with the highest recorded hardness reaching 368 HV. The alloy also exhibits commendable tensile strength, with the ultimate tensile strength, elongation, and yield strength enhanced to 1.08 GPa, 14.3 %, and 862.7 MPa, respectively. Furthermore, the corrosion resistance of the Cu–15Ni–8Sn alloy was demonstrated to improve by electrochemical corrosion test after the introduction of boron.http://www.sciencedirect.com/science/article/pii/S2238785425011263Cu–15Ni–8SnBoronTensile strengthCorrosion resistanceMicrostructure |
| spellingShingle | Haoran Wang Junqing Han Yuying Wu Jinchuan Jie Effect of boron on the microstructure and properties of Cu–15Ni–8Sn alloy Journal of Materials Research and Technology Cu–15Ni–8Sn Boron Tensile strength Corrosion resistance Microstructure |
| title | Effect of boron on the microstructure and properties of Cu–15Ni–8Sn alloy |
| title_full | Effect of boron on the microstructure and properties of Cu–15Ni–8Sn alloy |
| title_fullStr | Effect of boron on the microstructure and properties of Cu–15Ni–8Sn alloy |
| title_full_unstemmed | Effect of boron on the microstructure and properties of Cu–15Ni–8Sn alloy |
| title_short | Effect of boron on the microstructure and properties of Cu–15Ni–8Sn alloy |
| title_sort | effect of boron on the microstructure and properties of cu 15ni 8sn alloy |
| topic | Cu–15Ni–8Sn Boron Tensile strength Corrosion resistance Microstructure |
| url | http://www.sciencedirect.com/science/article/pii/S2238785425011263 |
| work_keys_str_mv | AT haoranwang effectofborononthemicrostructureandpropertiesofcu15ni8snalloy AT junqinghan effectofborononthemicrostructureandpropertiesofcu15ni8snalloy AT yuyingwu effectofborononthemicrostructureandpropertiesofcu15ni8snalloy AT jinchuanjie effectofborononthemicrostructureandpropertiesofcu15ni8snalloy |