Multilayer Maraging/CoCrNi Composites With Synergistic Strengthening-Toughening Behavior
A novel multilayer maraging/CoCrNi composite with good mechanical properties was successfully fabricated by a vacuum hot-rolling and aging treatment. The yield strength, tensile strength, uniform elongation, and fracture elongation reached 1,151, 1,380 MPa, 15.7, and 24% respectively, realizing the...
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| Format: | Article |
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Frontiers Media S.A.
2021-02-01
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| Series: | Frontiers in Materials |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fmats.2020.619315/full |
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| author | C. X. Chen C. X. Chen C. X. Chen Y. F. Ge Y. F. Ge Y. F. Ge W. Fang W. Fang W. Fang X. Zhang X. Zhang X. Zhang B. X. Liu B. X. Liu B. X. Liu J. H. Feng J. H. Feng J. H. Feng F. X. Yin F. X. Yin F. X. Yin |
| author_facet | C. X. Chen C. X. Chen C. X. Chen Y. F. Ge Y. F. Ge Y. F. Ge W. Fang W. Fang W. Fang X. Zhang X. Zhang X. Zhang B. X. Liu B. X. Liu B. X. Liu J. H. Feng J. H. Feng J. H. Feng F. X. Yin F. X. Yin F. X. Yin |
| author_sort | C. X. Chen |
| collection | DOAJ |
| description | A novel multilayer maraging/CoCrNi composite with good mechanical properties was successfully fabricated by a vacuum hot-rolling and aging treatment. The yield strength, tensile strength, uniform elongation, and fracture elongation reached 1,151, 1,380 MPa, 15.7, and 24% respectively, realizing the aim of synergistic strengthening–toughening by effectively improving the yield strength of the CoCrNi alloy and strain-hardening capacity of the maraging steel. The vacuum state, high rolling reduction ratio, and alloy element diffusion are beneficial in strengthening the clad interface. The good work-hardening capacity of the CoCrNi alloy compensates for the poor strain-softening behavior of the maraging steel, effectively delaying the premature localized necking of the multilayer composites. The strengthening–toughening mechanism of the multilayer maraging/CoCrNi composites is mainly attributed to the strong interface, nanoscale precipitation, and strain-induced twinning. |
| first_indexed | 2024-12-20T07:47:43Z |
| format | Article |
| id | doaj.art-4b8d95f53c404ebdb49bc1a70a957211 |
| institution | Directory Open Access Journal |
| issn | 2296-8016 |
| language | English |
| last_indexed | 2024-12-20T07:47:43Z |
| publishDate | 2021-02-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Materials |
| spelling | doaj.art-4b8d95f53c404ebdb49bc1a70a9572112022-12-21T19:47:55ZengFrontiers Media S.A.Frontiers in Materials2296-80162021-02-01710.3389/fmats.2020.619315619315Multilayer Maraging/CoCrNi Composites With Synergistic Strengthening-Toughening BehaviorC. X. Chen0C. X. Chen1C. X. Chen2Y. F. Ge3Y. F. Ge4Y. F. Ge5W. Fang6W. Fang7W. Fang8X. Zhang9X. Zhang10X. Zhang11B. X. Liu12B. X. Liu13B. X. Liu14J. H. Feng15J. H. Feng16J. H. Feng17F. X. Yin18F. X. Yin19F. X. Yin20Research Institute for Energy Equipment Materials, Hebei University of Technology, TianJin, ChinaTianJin key laboratory of Materials laminating Fabrication and Interfacial Controlling Technology, Hebei University of Technology, TianJin, ChinaSchool of Materials Science and Engineering, Hebei University of Technology, TianJin, ChinaResearch Institute for Energy Equipment Materials, Hebei University of Technology, TianJin, ChinaTianJin key laboratory of Materials laminating Fabrication and Interfacial Controlling Technology, Hebei University of Technology, TianJin, ChinaSchool of Materials Science and Engineering, Hebei University of Technology, TianJin, ChinaResearch Institute for Energy Equipment Materials, Hebei University of Technology, TianJin, ChinaTianJin key laboratory of Materials laminating Fabrication and Interfacial Controlling Technology, Hebei University of Technology, TianJin, ChinaSchool of Materials Science and Engineering, Hebei University of Technology, TianJin, ChinaResearch Institute for Energy Equipment Materials, Hebei University of Technology, TianJin, ChinaTianJin key laboratory of Materials laminating Fabrication and Interfacial Controlling Technology, Hebei University of Technology, TianJin, ChinaSchool of Materials Science and Engineering, Hebei University of Technology, TianJin, ChinaResearch Institute for Energy Equipment Materials, Hebei University of Technology, TianJin, ChinaTianJin key laboratory of Materials laminating Fabrication and Interfacial Controlling Technology, Hebei University of Technology, TianJin, ChinaSchool of Materials Science and Engineering, Hebei University of Technology, TianJin, ChinaResearch Institute for Energy Equipment Materials, Hebei University of Technology, TianJin, ChinaTianJin key laboratory of Materials laminating Fabrication and Interfacial Controlling Technology, Hebei University of Technology, TianJin, ChinaSchool of Materials Science and Engineering, Hebei University of Technology, TianJin, ChinaResearch Institute for Energy Equipment Materials, Hebei University of Technology, TianJin, ChinaTianJin key laboratory of Materials laminating Fabrication and Interfacial Controlling Technology, Hebei University of Technology, TianJin, ChinaSchool of Materials Science and Engineering, Hebei University of Technology, TianJin, ChinaA novel multilayer maraging/CoCrNi composite with good mechanical properties was successfully fabricated by a vacuum hot-rolling and aging treatment. The yield strength, tensile strength, uniform elongation, and fracture elongation reached 1,151, 1,380 MPa, 15.7, and 24% respectively, realizing the aim of synergistic strengthening–toughening by effectively improving the yield strength of the CoCrNi alloy and strain-hardening capacity of the maraging steel. The vacuum state, high rolling reduction ratio, and alloy element diffusion are beneficial in strengthening the clad interface. The good work-hardening capacity of the CoCrNi alloy compensates for the poor strain-softening behavior of the maraging steel, effectively delaying the premature localized necking of the multilayer composites. The strengthening–toughening mechanism of the multilayer maraging/CoCrNi composites is mainly attributed to the strong interface, nanoscale precipitation, and strain-induced twinning.https://www.frontiersin.org/articles/10.3389/fmats.2020.619315/fullmultilayer compositesCoCrNi alloywork hardening capacityvacuum hot rollingsynergistic deformation capacity |
| spellingShingle | C. X. Chen C. X. Chen C. X. Chen Y. F. Ge Y. F. Ge Y. F. Ge W. Fang W. Fang W. Fang X. Zhang X. Zhang X. Zhang B. X. Liu B. X. Liu B. X. Liu J. H. Feng J. H. Feng J. H. Feng F. X. Yin F. X. Yin F. X. Yin Multilayer Maraging/CoCrNi Composites With Synergistic Strengthening-Toughening Behavior Frontiers in Materials multilayer composites CoCrNi alloy work hardening capacity vacuum hot rolling synergistic deformation capacity |
| title | Multilayer Maraging/CoCrNi Composites With Synergistic Strengthening-Toughening Behavior |
| title_full | Multilayer Maraging/CoCrNi Composites With Synergistic Strengthening-Toughening Behavior |
| title_fullStr | Multilayer Maraging/CoCrNi Composites With Synergistic Strengthening-Toughening Behavior |
| title_full_unstemmed | Multilayer Maraging/CoCrNi Composites With Synergistic Strengthening-Toughening Behavior |
| title_short | Multilayer Maraging/CoCrNi Composites With Synergistic Strengthening-Toughening Behavior |
| title_sort | multilayer maraging cocrni composites with synergistic strengthening toughening behavior |
| topic | multilayer composites CoCrNi alloy work hardening capacity vacuum hot rolling synergistic deformation capacity |
| url | https://www.frontiersin.org/articles/10.3389/fmats.2020.619315/full |
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