Hyperadaptor; Temperature-insensitive tensile properties of Ni-based high-entropy alloy a wide temperature range
This study introduces the concept of ‘Hyperadaptor’ alloys, materials engineered to maintain consistent performance across a wide range of environmental conditions. We present a Ni-based high-entropy alloy (HEA) that exhibits minimal sensitivity to temperature variations from 77 K to 873 K, maintain...
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2025-02-01
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| Series: | Materials Research Letters |
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| Online Access: | https://www.tandfonline.com/doi/10.1080/21663831.2025.2457346 |
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| author | Hyojin Park Sujung Son Soung Yeoul Ahn Hyojeong Ha Rae Eon Kim Jae Heung Lee Hyo Moon Joo Jung Gi Kim Hyoung Seop Kim |
| author_facet | Hyojin Park Sujung Son Soung Yeoul Ahn Hyojeong Ha Rae Eon Kim Jae Heung Lee Hyo Moon Joo Jung Gi Kim Hyoung Seop Kim |
| author_sort | Hyojin Park |
| collection | DOAJ |
| description | This study introduces the concept of ‘Hyperadaptor’ alloys, materials engineered to maintain consistent performance across a wide range of environmental conditions. We present a Ni-based high-entropy alloy (HEA) that exhibits minimal sensitivity to temperature variations from 77 K to 873 K, maintaining both strength and ductility due to nano-sized L12 precipitates, coarse grain, and high stacking fault energy. The temperature-independent mechanism of dislocation slip-induced plasticity further supports its stability. Our findings highlight the potential of Ni-based HEA for demanding applications in aerospace, automotive, and energy sectors, establishing them as pioneering materials in alloy development.HIGHLIGHTS Introduces the concept of ‘Hyperadaptor’ materials, which exhibits minimal environmental sensitivity, and demonstrates Ni-based high-entropy alloys (HEAs) as prime examples, showing consistent mechanical properties across a wide temperature range from 77 K to 873 K.Demonstrates minimal temperature sensitivity of Ni-based HEA through analyses of nano-sized L12 precipitates and high stacking fault energy, enhancing strength and ductility.Employs various characterization techniques, including EBSD, ECCI, and TEM, to illustrate the dislocation slip-induced plasticity and precipitation hardening, achieving temperature-independent mechanical performance.Validates the potential of Ni-based HEAs for critical applications in the aerospace, automotive, and energy sectors, emphasizing their consistent mechanical properties under extreme temperature fluctuations. |
| format | Article |
| id | doaj-art-b91c43c0a4fe41408b63e1dc8db23acd |
| institution | Kabale University |
| issn | 2166-3831 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Materials Research Letters |
| spelling | doaj-art-b91c43c0a4fe41408b63e1dc8db23acd2025-02-06T08:30:43ZengTaylor & Francis GroupMaterials Research Letters2166-38312025-02-011910.1080/21663831.2025.2457346Hyperadaptor; Temperature-insensitive tensile properties of Ni-based high-entropy alloy a wide temperature rangeHyojin Park0Sujung Son1Soung Yeoul Ahn2Hyojeong Ha3Rae Eon Kim4Jae Heung Lee5Hyo Moon Joo6Jung Gi Kim7Hyoung Seop Kim8Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang, Republic of KoreaDepartment of Materials Science and Engineering, Pohang University of Science and Technology, Pohang, Republic of KoreaDepartment of Materials Science and Engineering, Pohang University of Science and Technology, Pohang, Republic of KoreaDepartment of Materials Science and Engineering, Pohang University of Science and Technology, Pohang, Republic of KoreaCenter for Heterogenic Metal Additive Manufacturing, Pohang University of Science and Technology (POSTECH), Pohang, Republic of KoreaDepartment of Materials Science and Engineering, Pohang University of Science and Technology, Pohang, Republic of KoreaLightweight Materials Research Team, Advanced Vehicle Platform, Hyundai Motor Group, Uiwang, Republic of KoreaDepartment of Materials Engineering and Convergence Technology, Center for K-metal, Gyeongsang National University, Jinju, Republic of KoreaCenter for Heterogenic Metal Additive Manufacturing, Pohang University of Science and Technology (POSTECH), Pohang, Republic of KoreaThis study introduces the concept of ‘Hyperadaptor’ alloys, materials engineered to maintain consistent performance across a wide range of environmental conditions. We present a Ni-based high-entropy alloy (HEA) that exhibits minimal sensitivity to temperature variations from 77 K to 873 K, maintaining both strength and ductility due to nano-sized L12 precipitates, coarse grain, and high stacking fault energy. The temperature-independent mechanism of dislocation slip-induced plasticity further supports its stability. Our findings highlight the potential of Ni-based HEA for demanding applications in aerospace, automotive, and energy sectors, establishing them as pioneering materials in alloy development.HIGHLIGHTS Introduces the concept of ‘Hyperadaptor’ materials, which exhibits minimal environmental sensitivity, and demonstrates Ni-based high-entropy alloys (HEAs) as prime examples, showing consistent mechanical properties across a wide temperature range from 77 K to 873 K.Demonstrates minimal temperature sensitivity of Ni-based HEA through analyses of nano-sized L12 precipitates and high stacking fault energy, enhancing strength and ductility.Employs various characterization techniques, including EBSD, ECCI, and TEM, to illustrate the dislocation slip-induced plasticity and precipitation hardening, achieving temperature-independent mechanical performance.Validates the potential of Ni-based HEAs for critical applications in the aerospace, automotive, and energy sectors, emphasizing their consistent mechanical properties under extreme temperature fluctuations.https://www.tandfonline.com/doi/10.1080/21663831.2025.2457346Hyperadaptorhigh-entropy alloytemperature-independentdislocation slip-induced plasticity |
| spellingShingle | Hyojin Park Sujung Son Soung Yeoul Ahn Hyojeong Ha Rae Eon Kim Jae Heung Lee Hyo Moon Joo Jung Gi Kim Hyoung Seop Kim Hyperadaptor; Temperature-insensitive tensile properties of Ni-based high-entropy alloy a wide temperature range Materials Research Letters Hyperadaptor high-entropy alloy temperature-independent dislocation slip-induced plasticity |
| title | Hyperadaptor; Temperature-insensitive tensile properties of Ni-based high-entropy alloy a wide temperature range |
| title_full | Hyperadaptor; Temperature-insensitive tensile properties of Ni-based high-entropy alloy a wide temperature range |
| title_fullStr | Hyperadaptor; Temperature-insensitive tensile properties of Ni-based high-entropy alloy a wide temperature range |
| title_full_unstemmed | Hyperadaptor; Temperature-insensitive tensile properties of Ni-based high-entropy alloy a wide temperature range |
| title_short | Hyperadaptor; Temperature-insensitive tensile properties of Ni-based high-entropy alloy a wide temperature range |
| title_sort | hyperadaptor temperature insensitive tensile properties of ni based high entropy alloy a wide temperature range |
| topic | Hyperadaptor high-entropy alloy temperature-independent dislocation slip-induced plasticity |
| url | https://www.tandfonline.com/doi/10.1080/21663831.2025.2457346 |
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