Effects of aging state on the low-cycle fatigue properties of 2024 aluminum alloy
To reveal the effects of aging state on the low-cycle fatigue (LCF) performance of 2024 Al alloy, LCF experiments were conducted on the 2024 Al alloy with three aging states (underaged (UA), peak-aging (PA) and overaged (OA)), respectively. It is found that under the total strain amplitude and plast...
| Main Authors: | , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2024-03-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785424002126 |
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| author | B.S. Gong Z.J. Zhang J.P. Hou R. Liu Q.Q. Duan H.W. Wang X.G. Wang H.Z. Liu H. Wang G. Purcek M. Demirtas H. Yanar Z.F. Zhang |
| author_facet | B.S. Gong Z.J. Zhang J.P. Hou R. Liu Q.Q. Duan H.W. Wang X.G. Wang H.Z. Liu H. Wang G. Purcek M. Demirtas H. Yanar Z.F. Zhang |
| author_sort | B.S. Gong |
| collection | DOAJ |
| description | To reveal the effects of aging state on the low-cycle fatigue (LCF) performance of 2024 Al alloy, LCF experiments were conducted on the 2024 Al alloy with three aging states (underaged (UA), peak-aging (PA) and overaged (OA)), respectively. It is found that under the total strain amplitude and plastic strain amplitude control, the Al alloy at UA and OA states exhibits higher LCF lives than that at PA state, respectively. For a more comprehensive evaluation, a hysteretic energy model with W0 as the fatigue damage capacity and β as the fatigue damage resisting exponent was used, which also shows the advantages of the OA states. This is because although the OA state has lower fatigue damage capacity W0 for the inferior strength-plasticity combination compared to the UA state, it has higher fatigue damage resistance exponent β because the obvious wavy slip manner of dislocations is conducive to strain homogenization, which is more important for increasing the fatigue life. Therefore, this study gives a comprehensive evaluation and revelation on the effects of aging state on the LCF properties of 2024 alloy. |
| first_indexed | 2024-03-08T04:51:01Z |
| format | Article |
| id | doaj.art-d4261f8051d34064a2888c8da595ae60 |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-04-24T20:06:03Z |
| publishDate | 2024-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-d4261f8051d34064a2888c8da595ae602024-03-24T06:57:37ZengElsevierJournal of Materials Research and Technology2238-78542024-03-012924482457Effects of aging state on the low-cycle fatigue properties of 2024 aluminum alloyB.S. Gong0Z.J. Zhang1J.P. Hou2R. Liu3Q.Q. Duan4H.W. Wang5X.G. Wang6H.Z. Liu7H. Wang8G. Purcek9M. Demirtas10H. Yanar11Z.F. Zhang12Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, ChinaInstitute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, China; Corresponding author.Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, ChinaInstitute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, ChinaInstitute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, ChinaInstitute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, ChinaInstitute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, ChinaInstitute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, ChinaShenyang Institute of Automation Chinese Academy of Sciences, 110000, ChinaDepartment of Mechanical Engineering, Karadeniz Technical University, Trabzon, 61080, TurkeyDepartment of Mechanical Engineering, Recep Tayyip Erdogan University, Rize, 53100, TurkeyDepartment of Mechanical Engineering, Karadeniz Technical University, Trabzon, 61080, TurkeyInstitute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, China; Corresponding author.To reveal the effects of aging state on the low-cycle fatigue (LCF) performance of 2024 Al alloy, LCF experiments were conducted on the 2024 Al alloy with three aging states (underaged (UA), peak-aging (PA) and overaged (OA)), respectively. It is found that under the total strain amplitude and plastic strain amplitude control, the Al alloy at UA and OA states exhibits higher LCF lives than that at PA state, respectively. For a more comprehensive evaluation, a hysteretic energy model with W0 as the fatigue damage capacity and β as the fatigue damage resisting exponent was used, which also shows the advantages of the OA states. This is because although the OA state has lower fatigue damage capacity W0 for the inferior strength-plasticity combination compared to the UA state, it has higher fatigue damage resistance exponent β because the obvious wavy slip manner of dislocations is conducive to strain homogenization, which is more important for increasing the fatigue life. Therefore, this study gives a comprehensive evaluation and revelation on the effects of aging state on the LCF properties of 2024 alloy.http://www.sciencedirect.com/science/article/pii/S22387854240021262024 Al alloyAging stateLow-cycle fatigueFatigue lifeHysteresis energyDislocation slip mode |
| spellingShingle | B.S. Gong Z.J. Zhang J.P. Hou R. Liu Q.Q. Duan H.W. Wang X.G. Wang H.Z. Liu H. Wang G. Purcek M. Demirtas H. Yanar Z.F. Zhang Effects of aging state on the low-cycle fatigue properties of 2024 aluminum alloy Journal of Materials Research and Technology 2024 Al alloy Aging state Low-cycle fatigue Fatigue life Hysteresis energy Dislocation slip mode |
| title | Effects of aging state on the low-cycle fatigue properties of 2024 aluminum alloy |
| title_full | Effects of aging state on the low-cycle fatigue properties of 2024 aluminum alloy |
| title_fullStr | Effects of aging state on the low-cycle fatigue properties of 2024 aluminum alloy |
| title_full_unstemmed | Effects of aging state on the low-cycle fatigue properties of 2024 aluminum alloy |
| title_short | Effects of aging state on the low-cycle fatigue properties of 2024 aluminum alloy |
| title_sort | effects of aging state on the low cycle fatigue properties of 2024 aluminum alloy |
| topic | 2024 Al alloy Aging state Low-cycle fatigue Fatigue life Hysteresis energy Dislocation slip mode |
| url | http://www.sciencedirect.com/science/article/pii/S2238785424002126 |
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