Achieving 5.9% elastic strain in kilograms of metallic glasses: Nanoscopic strain engineering goes macro
© 2020 Elsevier Ltd The ideal elastic limit is the upper bound of the achievable strength and elastic strain of solids. However, the elastic strains that bulk materials can sustain are usually below 2%, due to the localization of inelastic deformations at the lattice scale. In this study, we achieve...
| Main Authors: | , , , , , , , , , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
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Elsevier BV
2021
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| Online Access: | https://hdl.handle.net/1721.1/136652 |
| _version_ | 1811080591463940096 |
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| author | Zhang, Junsong Liu, Yinong Yang, Hong Ren, Yang Cui, Lishan Jiang, Daqiang Wu, Zhigang Ma, Zhiyuan Guo, Fangmin Bakhtiari, Sam Motazedian, Fakhrodin Li, Ju |
| author2 | Massachusetts Institute of Technology. Department of Nuclear Science and Engineering |
| author_facet | Massachusetts Institute of Technology. Department of Nuclear Science and Engineering Zhang, Junsong Liu, Yinong Yang, Hong Ren, Yang Cui, Lishan Jiang, Daqiang Wu, Zhigang Ma, Zhiyuan Guo, Fangmin Bakhtiari, Sam Motazedian, Fakhrodin Li, Ju |
| author_sort | Zhang, Junsong |
| collection | MIT |
| description | © 2020 Elsevier Ltd The ideal elastic limit is the upper bound of the achievable strength and elastic strain of solids. However, the elastic strains that bulk materials can sustain are usually below 2%, due to the localization of inelastic deformations at the lattice scale. In this study, we achieved >5% elastic strain in bulk quantity of metallic glass, by exploiting the more uniform and smaller-magnitude atomic-scale lattice strains of martensitic transformation as a loading medium in a bulk metallic nanocomposite. The self-limiting nature of martensitic transformation helps to prevent lattice strain transfer that leads to the localization of deformation and damage. This lattice strain egalitarian strategy enables bulk metallic materials in kilogram-quantity to achieve near-ideal elastic limit. This concept is verified in a model in situ bulk amorphous (TiNiFe)-nanocrystalline (TiNi(Fe)) composite, in which the TiNiFe amorphous matrix exhibits a maximum tensile elastic strain of ∼5.9%, which approaches its theoretical elastic limit. As a result, the model bulk composite possesses a large recoverable strain of ∼7%, a maximum tensile strength of above 2 GPa, and a large elastic resilience of ∼79.4 MJ/m3. The recoverable strain and elastic resilience are unmatched by known high strength bulk metallic materials. This design concept opens new opportunities for the development of high-performance bulk materials and elastic strain engineering of the physiochemical properties of glasses. |
| first_indexed | 2024-09-23T11:33:51Z |
| format | Article |
| id | mit-1721.1/136652 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T11:33:51Z |
| publishDate | 2021 |
| publisher | Elsevier BV |
| record_format | dspace |
| spelling | mit-1721.1/1366522023-02-24T18:53:58Z Achieving 5.9% elastic strain in kilograms of metallic glasses: Nanoscopic strain engineering goes macro Zhang, Junsong Liu, Yinong Yang, Hong Ren, Yang Cui, Lishan Jiang, Daqiang Wu, Zhigang Ma, Zhiyuan Guo, Fangmin Bakhtiari, Sam Motazedian, Fakhrodin Li, Ju Massachusetts Institute of Technology. Department of Nuclear Science and Engineering Massachusetts Institute of Technology. Department of Materials Science and Engineering © 2020 Elsevier Ltd The ideal elastic limit is the upper bound of the achievable strength and elastic strain of solids. However, the elastic strains that bulk materials can sustain are usually below 2%, due to the localization of inelastic deformations at the lattice scale. In this study, we achieved >5% elastic strain in bulk quantity of metallic glass, by exploiting the more uniform and smaller-magnitude atomic-scale lattice strains of martensitic transformation as a loading medium in a bulk metallic nanocomposite. The self-limiting nature of martensitic transformation helps to prevent lattice strain transfer that leads to the localization of deformation and damage. This lattice strain egalitarian strategy enables bulk metallic materials in kilogram-quantity to achieve near-ideal elastic limit. This concept is verified in a model in situ bulk amorphous (TiNiFe)-nanocrystalline (TiNi(Fe)) composite, in which the TiNiFe amorphous matrix exhibits a maximum tensile elastic strain of ∼5.9%, which approaches its theoretical elastic limit. As a result, the model bulk composite possesses a large recoverable strain of ∼7%, a maximum tensile strength of above 2 GPa, and a large elastic resilience of ∼79.4 MJ/m3. The recoverable strain and elastic resilience are unmatched by known high strength bulk metallic materials. This design concept opens new opportunities for the development of high-performance bulk materials and elastic strain engineering of the physiochemical properties of glasses. 2021-10-27T20:36:26Z 2021-10-27T20:36:26Z 2020 2020-05-04T19:27:57Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/136652 en 10.1016/j.mattod.2020.02.020 Materials Today Creative Commons Attribution-NonCommercial-NoDerivs License http://creativecommons.org/licenses/by-nc-nd/4.0/ application/pdf Elsevier BV MIT web domain |
| spellingShingle | Zhang, Junsong Liu, Yinong Yang, Hong Ren, Yang Cui, Lishan Jiang, Daqiang Wu, Zhigang Ma, Zhiyuan Guo, Fangmin Bakhtiari, Sam Motazedian, Fakhrodin Li, Ju Achieving 5.9% elastic strain in kilograms of metallic glasses: Nanoscopic strain engineering goes macro |
| title | Achieving 5.9% elastic strain in kilograms of metallic glasses: Nanoscopic strain engineering goes macro |
| title_full | Achieving 5.9% elastic strain in kilograms of metallic glasses: Nanoscopic strain engineering goes macro |
| title_fullStr | Achieving 5.9% elastic strain in kilograms of metallic glasses: Nanoscopic strain engineering goes macro |
| title_full_unstemmed | Achieving 5.9% elastic strain in kilograms of metallic glasses: Nanoscopic strain engineering goes macro |
| title_short | Achieving 5.9% elastic strain in kilograms of metallic glasses: Nanoscopic strain engineering goes macro |
| title_sort | achieving 5 9 elastic strain in kilograms of metallic glasses nanoscopic strain engineering goes macro |
| url | https://hdl.handle.net/1721.1/136652 |
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