Micro-mechanical behavior of a single grain with atomic-level variations in composition via additive manufacturing
Additive manufacturing offers precise control over part geometry and material composition, making it ideal for creating functionally integrated materials (FIMs). A Ni-Al FIM was fabricated using directed energy deposition (DED) to investigate how local composition variations affect microstructure, p...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2025-04-01
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| Series: | Materials Research Letters |
| Subjects: | |
| Online Access: | https://www.tandfonline.com/doi/10.1080/21663831.2024.2448499 |
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| _version_ | 1849763274661298176 |
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| author | Xin Wang Jacob Norman Baolong Zheng Benjamin MacDonald Enrique J. Lavernia Julie M. Schoenung |
| author_facet | Xin Wang Jacob Norman Baolong Zheng Benjamin MacDonald Enrique J. Lavernia Julie M. Schoenung |
| author_sort | Xin Wang |
| collection | DOAJ |
| description | Additive manufacturing offers precise control over part geometry and material composition, making it ideal for creating functionally integrated materials (FIMs). A Ni-Al FIM was fabricated using directed energy deposition (DED) to investigate how local composition variations affect microstructure, precipitation, and mechanical behavior. Advanced microscopy characterization revealed a novel grain structure with distinct compositional regions and a composition transition interface. These distinct regions within a single grain led to abrupt changes in the deformation response, as demonstrated through in-situ micropillar compression. These findings underscore the potential of additive manufacturing to engineer material behavior at the microscale, advancing materials design and manufacturing. |
| format | Article |
| id | doaj-art-d98c3947fd5a4f9c9a8f6d2429cf0ef7 |
| institution | DOAJ |
| issn | 2166-3831 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Materials Research Letters |
| spelling | doaj-art-d98c3947fd5a4f9c9a8f6d2429cf0ef72025-08-20T03:05:26ZengTaylor & Francis GroupMaterials Research Letters2166-38312025-04-0113430131010.1080/21663831.2024.2448499Micro-mechanical behavior of a single grain with atomic-level variations in composition via additive manufacturingXin Wang0Jacob Norman1Baolong Zheng2Benjamin MacDonald3Enrique J. Lavernia4Julie M. Schoenung5Department of Metallurgical and Materials Engineering, University of Alabama, Tuscaloosa, AL, USADepartment of Materials Science and Engineering, University of California Irvine, Irvine, CA, USADepartment of Materials Science and Engineering, University of California Irvine, Irvine, CA, USADepartment of Materials Science and Engineering, University of California Irvine, Irvine, CA, USADepartment of Materials Science and Engineering, University of California Irvine, Irvine, CA, USADepartment of Materials Science and Engineering, University of California Irvine, Irvine, CA, USAAdditive manufacturing offers precise control over part geometry and material composition, making it ideal for creating functionally integrated materials (FIMs). A Ni-Al FIM was fabricated using directed energy deposition (DED) to investigate how local composition variations affect microstructure, precipitation, and mechanical behavior. Advanced microscopy characterization revealed a novel grain structure with distinct compositional regions and a composition transition interface. These distinct regions within a single grain led to abrupt changes in the deformation response, as demonstrated through in-situ micropillar compression. These findings underscore the potential of additive manufacturing to engineer material behavior at the microscale, advancing materials design and manufacturing.https://www.tandfonline.com/doi/10.1080/21663831.2024.2448499Additive manufacturingfunctionally integrated materialsNi-based alloysmechanical behaviorcomposition transition interface |
| spellingShingle | Xin Wang Jacob Norman Baolong Zheng Benjamin MacDonald Enrique J. Lavernia Julie M. Schoenung Micro-mechanical behavior of a single grain with atomic-level variations in composition via additive manufacturing Materials Research Letters Additive manufacturing functionally integrated materials Ni-based alloys mechanical behavior composition transition interface |
| title | Micro-mechanical behavior of a single grain with atomic-level variations in composition via additive manufacturing |
| title_full | Micro-mechanical behavior of a single grain with atomic-level variations in composition via additive manufacturing |
| title_fullStr | Micro-mechanical behavior of a single grain with atomic-level variations in composition via additive manufacturing |
| title_full_unstemmed | Micro-mechanical behavior of a single grain with atomic-level variations in composition via additive manufacturing |
| title_short | Micro-mechanical behavior of a single grain with atomic-level variations in composition via additive manufacturing |
| title_sort | micro mechanical behavior of a single grain with atomic level variations in composition via additive manufacturing |
| topic | Additive manufacturing functionally integrated materials Ni-based alloys mechanical behavior composition transition interface |
| url | https://www.tandfonline.com/doi/10.1080/21663831.2024.2448499 |
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