Effect of tellurium on sulfide inclusion, microstructure and properties of industrial bars of a medium-carbon microalloyed steel
Tellurium is used for optimizing sulfide inclusion morphology in the iron and steel industry. In this study, the effects of tellurium on sulfide inclusion, microstructure, mechanical properties, fatigue performance, machinability, and corrosion resistance of industrial 38MnVS bars were investigated....
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| Format: | Article |
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Elsevier
2023-05-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785423005999 |
| _version_ | 1797798834133270528 |
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| author | Nianfu Liu Xiangyu Xu Zifei Wang Wenbo Wu Ping Shen Jianxun Fu Jin Li |
| author_facet | Nianfu Liu Xiangyu Xu Zifei Wang Wenbo Wu Ping Shen Jianxun Fu Jin Li |
| author_sort | Nianfu Liu |
| collection | DOAJ |
| description | Tellurium is used for optimizing sulfide inclusion morphology in the iron and steel industry. In this study, the effects of tellurium on sulfide inclusion, microstructure, mechanical properties, fatigue performance, machinability, and corrosion resistance of industrial 38MnVS bars were investigated. The results show that the weight ratio of Te/S of the tellurium-treated steel was 0.043. Further, tellurium was mainly in the form of an MnS substitutional atom. The MnS inclusions were refined and strengthened via tellurium modification, promoting ferrite transformation and refinement. Additionally, the yield strength increased, and the elongation anisotropy decreased slightly after tellurium modification. However, the tellurium modification had an insignificant effect on the ultimate tensile strength. The ferrite refinement also promoted fatigue performance. Moreover, tellurium modification is beneficial for machinability. The cutting force was reduced, and the surface quality was improved after tellurium modification. Under the tellurium content conditions described herein, tellurium modification has an insignificant effect on corrosion resistance. The suggested tellurium content is below 0.075 times sulfur content for medium carbon microalloyed steels. |
| first_indexed | 2024-03-13T04:10:46Z |
| format | Article |
| id | doaj.art-ddc72eccf05141629d087baa6eb5899b |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-03-13T04:10:46Z |
| publishDate | 2023-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-ddc72eccf05141629d087baa6eb5899b2023-06-21T06:56:00ZengElsevierJournal of Materials Research and Technology2238-78542023-05-012422262238Effect of tellurium on sulfide inclusion, microstructure and properties of industrial bars of a medium-carbon microalloyed steelNianfu Liu0Xiangyu Xu1Zifei Wang2Wenbo Wu3Ping Shen4Jianxun Fu5Jin Li6Center for Advanced Solidification Technology (CAST), School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, PR China; Baosteel Special Steel Shaoguan Co., Ltd, Shaoguan, Guangdong, 512122, PR ChinaCenter for Advanced Solidification Technology (CAST), School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, PR China; State Key Laboratory of Advanced Special Steel, Shanghai University, Shanghai, 200444, PR China; Corresponding author.Center for Advanced Solidification Technology (CAST), School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, PR ChinaDepartment of Materials Science, Fudan University, Shanghai, 200433, PR ChinaCenter for Advanced Solidification Technology (CAST), School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, PR China; State Key Laboratory of Advanced Special Steel, Shanghai University, Shanghai, 200444, PR ChinaCenter for Advanced Solidification Technology (CAST), School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, PR China; State Key Laboratory of Advanced Special Steel, Shanghai University, Shanghai, 200444, PR China; Corresponding author.Department of Materials Science, Fudan University, Shanghai, 200433, PR ChinaTellurium is used for optimizing sulfide inclusion morphology in the iron and steel industry. In this study, the effects of tellurium on sulfide inclusion, microstructure, mechanical properties, fatigue performance, machinability, and corrosion resistance of industrial 38MnVS bars were investigated. The results show that the weight ratio of Te/S of the tellurium-treated steel was 0.043. Further, tellurium was mainly in the form of an MnS substitutional atom. The MnS inclusions were refined and strengthened via tellurium modification, promoting ferrite transformation and refinement. Additionally, the yield strength increased, and the elongation anisotropy decreased slightly after tellurium modification. However, the tellurium modification had an insignificant effect on the ultimate tensile strength. The ferrite refinement also promoted fatigue performance. Moreover, tellurium modification is beneficial for machinability. The cutting force was reduced, and the surface quality was improved after tellurium modification. Under the tellurium content conditions described herein, tellurium modification has an insignificant effect on corrosion resistance. The suggested tellurium content is below 0.075 times sulfur content for medium carbon microalloyed steels.http://www.sciencedirect.com/science/article/pii/S2238785423005999Medium-carbon microalloyed steelTelluriumInclusion modificationMechanical propertiesMachinability |
| spellingShingle | Nianfu Liu Xiangyu Xu Zifei Wang Wenbo Wu Ping Shen Jianxun Fu Jin Li Effect of tellurium on sulfide inclusion, microstructure and properties of industrial bars of a medium-carbon microalloyed steel Journal of Materials Research and Technology Medium-carbon microalloyed steel Tellurium Inclusion modification Mechanical properties Machinability |
| title | Effect of tellurium on sulfide inclusion, microstructure and properties of industrial bars of a medium-carbon microalloyed steel |
| title_full | Effect of tellurium on sulfide inclusion, microstructure and properties of industrial bars of a medium-carbon microalloyed steel |
| title_fullStr | Effect of tellurium on sulfide inclusion, microstructure and properties of industrial bars of a medium-carbon microalloyed steel |
| title_full_unstemmed | Effect of tellurium on sulfide inclusion, microstructure and properties of industrial bars of a medium-carbon microalloyed steel |
| title_short | Effect of tellurium on sulfide inclusion, microstructure and properties of industrial bars of a medium-carbon microalloyed steel |
| title_sort | effect of tellurium on sulfide inclusion microstructure and properties of industrial bars of a medium carbon microalloyed steel |
| topic | Medium-carbon microalloyed steel Tellurium Inclusion modification Mechanical properties Machinability |
| url | http://www.sciencedirect.com/science/article/pii/S2238785423005999 |
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