The work reports an extensive experimental campaign for the aluminium lithium alloy Al-Li 2198-T851. Static, fatigue and fatigue crack-growth behaviour was investigated through tests on laboratory specimens manufactured along the longitudinal and transversal orientation with respect to the rolling direction. Microstructure was observed through macro-graphic evaluations and a Scanning Electron Microscope (SEM). It was found that the 2198-T851 provided enhanced mechanical properties with respect to 2024-T3 for both transversal and longitudinal rolling direction. Nonetheless, a significantly different behaviour was observed for the transversal direction that provided mechanical performances from 5 to 30 % lower than those measured longitudinally. © 2022 Elsevier Ltd

Characterization of static, fatigue and fracture behaviour of the aluminium-lithium alloy Al-Li 2198-T851 / Sepe, R.; Giannella, V.; Razavi, S. M. J.; Berto, Filippo. - In: INTERNATIONAL JOURNAL OF FATIGUE. - ISSN 0142-1123. - 166:(2022). [10.1016/j.ijfatigue.2022.107265]

Characterization of static, fatigue and fracture behaviour of the aluminium-lithium alloy Al-Li 2198-T851

Berto Filippo
2022

Abstract

The work reports an extensive experimental campaign for the aluminium lithium alloy Al-Li 2198-T851. Static, fatigue and fatigue crack-growth behaviour was investigated through tests on laboratory specimens manufactured along the longitudinal and transversal orientation with respect to the rolling direction. Microstructure was observed through macro-graphic evaluations and a Scanning Electron Microscope (SEM). It was found that the 2198-T851 provided enhanced mechanical properties with respect to 2024-T3 for both transversal and longitudinal rolling direction. Nonetheless, a significantly different behaviour was observed for the transversal direction that provided mechanical performances from 5 to 30 % lower than those measured longitudinally. © 2022 Elsevier Ltd
2022
aluminum alloys; fatigue crack propagation; lithium alloys, aluminium-lithium alloys; aluminum lithium alloy; cracks propagation; fatigue and fractures; fatigue behaviour; fracture behavior; rolling direction; static behaviors; static fatigue; static fractures; scanning electron microscopy; aluminium lithium alloys; anisotropy; crack propagation; fatigue; mechanical properties
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Characterization of static, fatigue and fracture behaviour of the aluminium-lithium alloy Al-Li 2198-T851 / Sepe, R.; Giannella, V.; Razavi, S. M. J.; Berto, Filippo. - In: INTERNATIONAL JOURNAL OF FATIGUE. - ISSN 0142-1123. - 166:(2022). [10.1016/j.ijfatigue.2022.107265]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1656016
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