First principles study on the effects of N, Mn, Co, Ni, and Cu on the electronic structure and mechanical properties of austenitic steel.
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| Title: | First principles study on the effects of N, Mn, Co, Ni, and Cu on the electronic structure and mechanical properties of austenitic steel. |
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| Authors: | Wang, Ting1,2 (AUTHOR), Liu, Xiangjun1 (AUTHOR) liuxiangjun2014@yeah.net, Yang, Peihong1,2 (AUTHOR), Yang, Changqiao1 (AUTHOR) yangchangqiao@21cn.com, Yang, Jichun1 (AUTHOR), Meng, Xiangchao3 (AUTHOR) |
| Source: | Metallurgical Research & Technology. 2026, Vol. 123 Issue 2, p1-11. 11p. |
| Subjects: | Austenitic steel, Electronic structure, Chemical elements, Doping agents (Chemistry), Ab-initio calculations, Mechanical behavior of materials, Transition metals, Stability (Mechanics) |
| Abstract: | Revealing the microscopic mechanism of N, Mn, Co, Ni, and Cu elements stabilizing austenitic phases in steels can help to solve the problem of austenitic steel instability in extreme service environments. In this work, the preferential occupancy, stability, geometric, electronic structure, and mechanical properties of γ-Fe(C)-M (M=N, Mn, Co, Ni, and Cu) doping systems were calculated by first-principles calculation. The calculation results show that N is preferentially solidified in octahedral interstitial positions, Mn is preferentially solidified in face-center positions, and Co, Ni, and Cu are preferentially solidified in top-angle positions. The solution energy and enthalpy formation of γ-Fe(C)-M are smaller than that of γ-Fe(C), which promotes the stability of the system. The geometric structure shows that the doping of M atoms can make the austenite stable mainly because the doping of N, Co, Ni, and Cu makes the bond length becomes shorter between C and Fe, the Fe-C bond energy is enhanced. And the doping of Mn makes the formation of stable chemical bond between Mn and C, further reducing the activity of C. According to B/G and σ values, it can be concluded that the toughness of γ-Fe(C)-M systems has different degrees of improvement compared with the γ-Fe system. [ABSTRACT FROM AUTHOR] |
| Copyright of Metallurgical Research & Technology is the property of EDP Sciences and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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| Header | DbId: egs DbLabel: Engineering Source An: 192633487 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: First principles study on the effects of N, Mn, Co, Ni, and Cu on the electronic structure and mechanical properties of austenitic steel. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Wang%2C+Ting%22">Wang, Ting</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Xiangjun%22">Liu, Xiangjun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> liuxiangjun2014@yeah.net</i><br /><searchLink fieldCode="AR" term="%22Yang%2C+Peihong%22">Yang, Peihong</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Changqiao%22">Yang, Changqiao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yangchangqiao@21cn.com</i><br /><searchLink fieldCode="AR" term="%22Yang%2C+Jichun%22">Yang, Jichun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Meng%2C+Xiangchao%22">Meng, Xiangchao</searchLink><relatesTo>3</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Metallurgical+Research+%26+Technology%22">Metallurgical Research & Technology</searchLink>. 2026, Vol. 123 Issue 2, p1-11. 11p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Austenitic+steel%22">Austenitic steel</searchLink><br /><searchLink fieldCode="DE" term="%22Electronic+structure%22">Electronic structure</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+elements%22">Chemical elements</searchLink><br /><searchLink fieldCode="DE" term="%22Doping+agents+%28Chemistry%29%22">Doping agents (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Ab-initio+calculations%22">Ab-initio calculations</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Transition+metals%22">Transition metals</searchLink><br /><searchLink fieldCode="DE" term="%22Stability+%28Mechanics%29%22">Stability (Mechanics)</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Revealing the microscopic mechanism of N, Mn, Co, Ni, and Cu elements stabilizing austenitic phases in steels can help to solve the problem of austenitic steel instability in extreme service environments. In this work, the preferential occupancy, stability, geometric, electronic structure, and mechanical properties of γ-Fe(C)-M (M=N, Mn, Co, Ni, and Cu) doping systems were calculated by first-principles calculation. The calculation results show that N is preferentially solidified in octahedral interstitial positions, Mn is preferentially solidified in face-center positions, and Co, Ni, and Cu are preferentially solidified in top-angle positions. The solution energy and enthalpy formation of γ-Fe(C)-M are smaller than that of γ-Fe(C), which promotes the stability of the system. The geometric structure shows that the doping of M atoms can make the austenite stable mainly because the doping of N, Co, Ni, and Cu makes the bond length becomes shorter between C and Fe, the Fe-C bond energy is enhanced. And the doping of Mn makes the formation of stable chemical bond between Mn and C, further reducing the activity of C. According to B/G and σ values, it can be concluded that the toughness of γ-Fe(C)-M systems has different degrees of improvement compared with the γ-Fe system. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Metallurgical Research & Technology is the property of EDP Sciences and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1051/metal/2025130 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 11 StartPage: 1 Subjects: – SubjectFull: Austenitic steel Type: general – SubjectFull: Electronic structure Type: general – SubjectFull: Chemical elements Type: general – SubjectFull: Doping agents (Chemistry) Type: general – SubjectFull: Ab-initio calculations Type: general – SubjectFull: Mechanical behavior of materials Type: general – SubjectFull: Transition metals Type: general – SubjectFull: Stability (Mechanics) Type: general Titles: – TitleFull: First principles study on the effects of N, Mn, Co, Ni, and Cu on the electronic structure and mechanical properties of austenitic steel. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Wang, Ting – PersonEntity: Name: NameFull: Liu, Xiangjun – PersonEntity: Name: NameFull: Yang, Peihong – PersonEntity: Name: NameFull: Yang, Changqiao – PersonEntity: Name: NameFull: Yang, Jichun – PersonEntity: Name: NameFull: Meng, Xiangchao IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 03 Text: 2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 22713646 Numbering: – Type: volume Value: 123 – Type: issue Value: 2 Titles: – TitleFull: Metallurgical Research & Technology Type: main |
| ResultId | 1 |