Optimization of Flat-Rolling Parameters for Thermally Stable Alloy of Al-Cu-Mn System with Micro Additions of Si and Zr
The phase composition, microstructure, and mechanical properties of flat-rolled experimental Al-Cu-Mn system alloy with Si and Zr additions have been studied. The experimental results have been compared with data for the AA2219 commercial alloy pertaining to the same alloying system. Hot deformation...
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MDPI AG
2023-12-01
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| author | Alexander Koshmin Stanislav Cherkasov Anastasiya Fortuna Yury Gamin Alexander Churyumov |
| author_facet | Alexander Koshmin Stanislav Cherkasov Anastasiya Fortuna Yury Gamin Alexander Churyumov |
| author_sort | Alexander Koshmin |
| collection | DOAJ |
| description | The phase composition, microstructure, and mechanical properties of flat-rolled experimental Al-Cu-Mn system alloy with Si and Zr additions have been studied. The experimental results have been compared with data for the AA2219 commercial alloy pertaining to the same alloying system. Hot deformation of an experimental alloy causes the precipitation of ~100 nm sized dispersoids and refinement of the eutectic phase particles. The yield strength and relative elongation of the hot-deformed experimental alloy are 255 MPa and 8.6%, respectively. Subsequent cold deformation reduces the relative elongation by 3.5% and increases the yield strength by 50 MPa, while the ultimate tensile strength does not change. After long-term 350 °C exposure, the mechanical properties of the experimental alloy remain the same as those of the as-deformed one, whereas the yield strength of the 2219 alloy decreases by 2 times and the ultimate tensile strength by 1.4 times. Comparison of these experimental results with data for the 2219 alloy and other Al-Cu-Mn system alloys cited in this work and reported elsewhere suggests that a good thermal stability of Al-2Cu-2Mn-0.4Si-0.2Zr alloy rolled stock can be achieved through treatment using the regimes designed herein. |
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| language | English |
| last_indexed | 2024-03-08T20:32:18Z |
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| spelling | doaj.art-c99592c902b84fd7b160988e549fa85b2023-12-22T14:24:52ZengMDPI AGMetals2075-47012023-12-011312201910.3390/met13122019Optimization of Flat-Rolling Parameters for Thermally Stable Alloy of Al-Cu-Mn System with Micro Additions of Si and ZrAlexander Koshmin0Stanislav Cherkasov1Anastasiya Fortuna2Yury Gamin3Alexander Churyumov4Scientific Activity Sector, Moscow Polytechnic University, Bolshaya Semyonovskaya 38, 107023 Moscow, RussiaDepartment of Metal Forming, National University of Science and Technology MISIS, Leninsky Prospekt 4, 119049 Moscow, RussiaDepartment of Physical Materials Science, National University of Science and Technology MISIS, Leninsky Prospekt 4, 119049 Moscow, RussiaDepartment of Metal Forming, National University of Science and Technology MISIS, Leninsky Prospekt 4, 119049 Moscow, RussiaDepartment of Physical Metallurgy of Non-Ferrous Metals, National University of Science and Technology MISIS, Leninsky Prospekt 4, 119049 Moscow, RussiaThe phase composition, microstructure, and mechanical properties of flat-rolled experimental Al-Cu-Mn system alloy with Si and Zr additions have been studied. The experimental results have been compared with data for the AA2219 commercial alloy pertaining to the same alloying system. Hot deformation of an experimental alloy causes the precipitation of ~100 nm sized dispersoids and refinement of the eutectic phase particles. The yield strength and relative elongation of the hot-deformed experimental alloy are 255 MPa and 8.6%, respectively. Subsequent cold deformation reduces the relative elongation by 3.5% and increases the yield strength by 50 MPa, while the ultimate tensile strength does not change. After long-term 350 °C exposure, the mechanical properties of the experimental alloy remain the same as those of the as-deformed one, whereas the yield strength of the 2219 alloy decreases by 2 times and the ultimate tensile strength by 1.4 times. Comparison of these experimental results with data for the 2219 alloy and other Al-Cu-Mn system alloys cited in this work and reported elsewhere suggests that a good thermal stability of Al-2Cu-2Mn-0.4Si-0.2Zr alloy rolled stock can be achieved through treatment using the regimes designed herein.https://www.mdpi.com/2075-4701/13/12/2019aluminum alloyAl-Cu-Mn systemdeformationthermostabilitymicrostructuremechanical properties |
| spellingShingle | Alexander Koshmin Stanislav Cherkasov Anastasiya Fortuna Yury Gamin Alexander Churyumov Optimization of Flat-Rolling Parameters for Thermally Stable Alloy of Al-Cu-Mn System with Micro Additions of Si and Zr Metals aluminum alloy Al-Cu-Mn system deformation thermostability microstructure mechanical properties |
| title | Optimization of Flat-Rolling Parameters for Thermally Stable Alloy of Al-Cu-Mn System with Micro Additions of Si and Zr |
| title_full | Optimization of Flat-Rolling Parameters for Thermally Stable Alloy of Al-Cu-Mn System with Micro Additions of Si and Zr |
| title_fullStr | Optimization of Flat-Rolling Parameters for Thermally Stable Alloy of Al-Cu-Mn System with Micro Additions of Si and Zr |
| title_full_unstemmed | Optimization of Flat-Rolling Parameters for Thermally Stable Alloy of Al-Cu-Mn System with Micro Additions of Si and Zr |
| title_short | Optimization of Flat-Rolling Parameters for Thermally Stable Alloy of Al-Cu-Mn System with Micro Additions of Si and Zr |
| title_sort | optimization of flat rolling parameters for thermally stable alloy of al cu mn system with micro additions of si and zr |
| topic | aluminum alloy Al-Cu-Mn system deformation thermostability microstructure mechanical properties |
| url | https://www.mdpi.com/2075-4701/13/12/2019 |
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