EFFECT OF DIFFERENT STRUCTURAL PARAMETERS ON THE 7075ALUMINUM ALLOY LUG FATIGUE CRACK GROWTH LIFE
In order to explore the influence of different structural parameters on the aircraft lug structure crack growth life, using the combination of numerical simulation and test method, fatigue tests were carried out on different structural parameters 7075 aluminum alloy lug samples, the three-dimensiona...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Journal of Mechanical Strength
2021-01-01
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| Series: | Jixie qiangdu |
| Subjects: | |
| Online Access: | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2021.06.022 |
| _version_ | 1797767616639533056 |
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| author | ZHOU Song WANG HongDa HUI Li YANG WenJun DI Jun |
| author_facet | ZHOU Song WANG HongDa HUI Li YANG WenJun DI Jun |
| author_sort | ZHOU Song |
| collection | DOAJ |
| description | In order to explore the influence of different structural parameters on the aircraft lug structure crack growth life, using the combination of numerical simulation and test method, fatigue tests were carried out on different structural parameters 7075 aluminum alloy lug samples, the three-dimensional stress intensity factor calculation models of different lugs based on the ABAQUS software was established, the accuracy of the model is verified by comparing the finite element solution with the experimental results and analytical values. Finally, The fatigue crack growth life of lug with different structural parameters was calculated by the Paris formula and fracture mechanics method. The results indicate that under the same stress, with the increase of taper angle, the fatigue crack growth life of the lug structure increases rapidly, and the bottom chamfer have little effect on it. |
| first_indexed | 2024-03-12T20:42:23Z |
| format | Article |
| id | doaj.art-a2cf734550a14cf3bfaf63e7e506a0d6 |
| institution | Directory Open Access Journal |
| issn | 1001-9669 |
| language | zho |
| last_indexed | 2024-03-12T20:42:23Z |
| publishDate | 2021-01-01 |
| publisher | Editorial Office of Journal of Mechanical Strength |
| record_format | Article |
| series | Jixie qiangdu |
| spelling | doaj.art-a2cf734550a14cf3bfaf63e7e506a0d62023-08-01T07:54:12ZzhoEditorial Office of Journal of Mechanical StrengthJixie qiangdu1001-96692021-01-01431430143530612246EFFECT OF DIFFERENT STRUCTURAL PARAMETERS ON THE 7075ALUMINUM ALLOY LUG FATIGUE CRACK GROWTH LIFEZHOU SongWANG HongDaHUI LiYANG WenJunDI JunIn order to explore the influence of different structural parameters on the aircraft lug structure crack growth life, using the combination of numerical simulation and test method, fatigue tests were carried out on different structural parameters 7075 aluminum alloy lug samples, the three-dimensional stress intensity factor calculation models of different lugs based on the ABAQUS software was established, the accuracy of the model is verified by comparing the finite element solution with the experimental results and analytical values. Finally, The fatigue crack growth life of lug with different structural parameters was calculated by the Paris formula and fracture mechanics method. The results indicate that under the same stress, with the increase of taper angle, the fatigue crack growth life of the lug structure increases rapidly, and the bottom chamfer have little effect on it.http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2021.06.022Lug;Aluminum alloy;Taper angle;Chamfer at the bottom;Crack growth life |
| spellingShingle | ZHOU Song WANG HongDa HUI Li YANG WenJun DI Jun EFFECT OF DIFFERENT STRUCTURAL PARAMETERS ON THE 7075ALUMINUM ALLOY LUG FATIGUE CRACK GROWTH LIFE Jixie qiangdu Lug;Aluminum alloy;Taper angle;Chamfer at the bottom;Crack growth life |
| title | EFFECT OF DIFFERENT STRUCTURAL PARAMETERS ON THE 7075ALUMINUM ALLOY LUG FATIGUE CRACK GROWTH LIFE |
| title_full | EFFECT OF DIFFERENT STRUCTURAL PARAMETERS ON THE 7075ALUMINUM ALLOY LUG FATIGUE CRACK GROWTH LIFE |
| title_fullStr | EFFECT OF DIFFERENT STRUCTURAL PARAMETERS ON THE 7075ALUMINUM ALLOY LUG FATIGUE CRACK GROWTH LIFE |
| title_full_unstemmed | EFFECT OF DIFFERENT STRUCTURAL PARAMETERS ON THE 7075ALUMINUM ALLOY LUG FATIGUE CRACK GROWTH LIFE |
| title_short | EFFECT OF DIFFERENT STRUCTURAL PARAMETERS ON THE 7075ALUMINUM ALLOY LUG FATIGUE CRACK GROWTH LIFE |
| title_sort | effect of different structural parameters on the 7075aluminum alloy lug fatigue crack growth life |
| topic | Lug;Aluminum alloy;Taper angle;Chamfer at the bottom;Crack growth life |
| url | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2021.06.022 |
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