The Influence of Cryogenic Conditions on the Process of AA2519 Aluminum Alloy Cracking
This study presents the results of tests involving determining quantities used to describe fracture toughness of a heat-treated AA2519 aluminum alloy applied in, among other things, constructing American military amphibians. These quantities were determined using the J–R curve method for two tempera...
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| Format: | Article |
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MDPI AG
2020-03-01
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| Online Access: | https://www.mdpi.com/1996-1944/13/7/1555 |
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| author | M. Kotyk D. Boroński P. Maćkowiak |
| author_facet | M. Kotyk D. Boroński P. Maćkowiak |
| author_sort | M. Kotyk |
| collection | DOAJ |
| description | This study presents the results of tests involving determining quantities used to describe fracture toughness of a heat-treated AA2519 aluminum alloy applied in, among other things, constructing American military amphibians. These quantities were determined using the J–R curve method for two temperature values, 293 K and 77 K. The low temperature was provided by putting the tested specimen into a liquid nitrogen bath and keeping it there throughout the experiment. Based on the tests results, cryogenic conditions cause an increase in the maximum experimental value of the J–J<sub>Q</sub> integral, from 66.3 to 87.3 kJ/m<sup>2</sup> Moreover, an analysis of the fatigue fracture microstructure revealed differences between specimens tested in ambient temperature and those tested in cryogenic temperature. |
| first_indexed | 2024-03-11T10:12:12Z |
| format | Article |
| id | doaj.art-d09d4759953e42f48ddcac57c33c21b1 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-11T10:12:12Z |
| publishDate | 2020-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-d09d4759953e42f48ddcac57c33c21b12023-11-16T14:29:42ZengMDPI AGMaterials1996-19442020-03-01137155510.3390/ma13071555The Influence of Cryogenic Conditions on the Process of AA2519 Aluminum Alloy CrackingM. Kotyk0D. Boroński1P. Maćkowiak2Faculty of Mechanical Engineering, University of Science and Technology in Bydgoszcz, 85-796 Bydgoszcz, PolandFaculty of Mechanical Engineering, University of Science and Technology in Bydgoszcz, 85-796 Bydgoszcz, PolandFaculty of Mechanical Engineering, University of Science and Technology in Bydgoszcz, 85-796 Bydgoszcz, PolandThis study presents the results of tests involving determining quantities used to describe fracture toughness of a heat-treated AA2519 aluminum alloy applied in, among other things, constructing American military amphibians. These quantities were determined using the J–R curve method for two temperature values, 293 K and 77 K. The low temperature was provided by putting the tested specimen into a liquid nitrogen bath and keeping it there throughout the experiment. Based on the tests results, cryogenic conditions cause an increase in the maximum experimental value of the J–J<sub>Q</sub> integral, from 66.3 to 87.3 kJ/m<sup>2</sup> Moreover, an analysis of the fatigue fracture microstructure revealed differences between specimens tested in ambient temperature and those tested in cryogenic temperature.https://www.mdpi.com/1996-1944/13/7/1555fracture mechanicscryogenic conditionslightweight materialsaluminum alloy |
| spellingShingle | M. Kotyk D. Boroński P. Maćkowiak The Influence of Cryogenic Conditions on the Process of AA2519 Aluminum Alloy Cracking Materials fracture mechanics cryogenic conditions lightweight materials aluminum alloy |
| title | The Influence of Cryogenic Conditions on the Process of AA2519 Aluminum Alloy Cracking |
| title_full | The Influence of Cryogenic Conditions on the Process of AA2519 Aluminum Alloy Cracking |
| title_fullStr | The Influence of Cryogenic Conditions on the Process of AA2519 Aluminum Alloy Cracking |
| title_full_unstemmed | The Influence of Cryogenic Conditions on the Process of AA2519 Aluminum Alloy Cracking |
| title_short | The Influence of Cryogenic Conditions on the Process of AA2519 Aluminum Alloy Cracking |
| title_sort | influence of cryogenic conditions on the process of aa2519 aluminum alloy cracking |
| topic | fracture mechanics cryogenic conditions lightweight materials aluminum alloy |
| url | https://www.mdpi.com/1996-1944/13/7/1555 |
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