A critical verification of post-threshold non-propagation (hysteresis in fatigue crack propagation) utilizing compression pre-cracking on Al-2024T3 alloy
The postulation that, since hysteresis in fatigue crack propagation (FCP) is a material specific property, then it should be detected irrespective of the test procedure, has been confirmed on a Al-2024T3 alloy using the compression pre-cracking method. Post-threshold non-propagation was observed at...
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| Veröffentlicht in: | Scripta metallurgica et materialia 1994-04, Vol.30 (7), p.821-826 |
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| container_issue | 7 |
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| container_title | Scripta metallurgica et materialia |
| container_volume | 30 |
| creator | Vaidya, W.V. Blom, A.F. |
| description | The postulation that, since hysteresis in fatigue crack propagation (FCP) is a material specific property, then it should be detected irrespective of the test procedure, has been confirmed on a Al-2024T3 alloy using the compression pre-cracking method. Post-threshold non-propagation was observed at both load ratios tested (0.1 and 0.7), and in the absence of crack closure. Although hysteresis was verified, its extent was lower at a high load ratio, and the near-threshold FCP behaviour could not be rationalized in terms of Delta K sub eff or K sub max . |
| doi_str_mv | 10.1016/0956-716X(94)90397-2 |
| format | Article |
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Post-threshold non-propagation was observed at both load ratios tested (0.1 and 0.7), and in the absence of crack closure. 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| identifier | ISSN: 0956-716X |
| ispartof | Scripta metallurgica et materialia, 1994-04, Vol.30 (7), p.821-826 |
| issn | 0956-716X |
| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | 360103 - Metals & Alloys- Mechanical Properties ALLOY SYSTEMS ALLOYS ALUMINIUM ALLOYS ALUMINIUM BASE ALLOYS COPPER ALLOYS CRACK PROPAGATION DATA EXPERIMENTAL DATA INFORMATION MAGNESIUM ALLOYS MANGANESE ADDITIONS MANGANESE ALLOYS MATERIALS SCIENCE NUMERICAL DATA TERNARY ALLOY SYSTEMS |
| title | A critical verification of post-threshold non-propagation (hysteresis in fatigue crack propagation) utilizing compression pre-cracking on Al-2024T3 alloy |
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