Datum
2021Autor
Sajadifar, Seyed VahidScharifi, EmadWegener, ThomasKrochmal, MarcelLotz, SteffenSteinhoff, KurtNiendorf, ThomasSchlagwort
600 Technik 620 Ingenieurwissenschaften AluminiumlegierungErmüdung bei niedrigen LastspielzahlenThermomechanische BehandlungMechanische EigenschaftMikrostrukturBruchMaterialermüdungMetadata
Zur Langanzeige
Aufsatz
On the low-cycle fatigue behavior of thermo-mechanically processed high-strength aluminum alloys
Zusammenfassung
In the present work low-cycle fatigue experiments were carried out on thermo-mechanically processed AA6082 and AA7075 sheets to evaluate mechanical properties under cyclic loading. Different cooling rates imposed by use of tempered forming tools after solutionizing and subsequent aging treatment led to the formation of precipitates with differing sizes and morphologies. Specimens thermo-mechanically processed in tools with temperatures of 24 °C and 200 °C showed superior mechanical properties under both monotonic and cyclic loading. Different behavior was observed for the specimens formed in the tool with a temperature of 350 °C. Based on thorough analysis of prevalent microstructural features, processing-property-damage relationships are established pointing at the major impact of the thermal history on the final performance of the high-strength aluminum alloys in focus.
Zitierform
In: International Journal of Fatigue Volume 156 (2021) eissn:1879-3452Zusätzliche Informationen
© This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/Zitieren
@article{doi:10.17170/kobra-202312229282,
author={Sajadifar, Seyed Vahid and Scharifi, Emad and Wegener, Thomas and Krochmal, Marcel and Lotz, Steffen and Steinhoff, Kurt and Niendorf, Thomas},
title={On the low-cycle fatigue behavior of thermo-mechanically processed high-strength aluminum alloys},
journal={International Journal of Fatigue},
year={2021}
}
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2023-12-22T12:25:03Z 2021 doi:10.17170/kobra-202312229282 http://hdl.handle.net/123456789/15322 © This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/ eng Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ high-strength aluminum alloys low-cycle fatique thermo-mechanical processing microstructure fracture 600 620 On the low-cycle fatigue behavior of thermo-mechanically processed high-strength aluminum alloys Aufsatz In the present work low-cycle fatigue experiments were carried out on thermo-mechanically processed AA6082 and AA7075 sheets to evaluate mechanical properties under cyclic loading. Different cooling rates imposed by use of tempered forming tools after solutionizing and subsequent aging treatment led to the formation of precipitates with differing sizes and morphologies. Specimens thermo-mechanically processed in tools with temperatures of 24 °C and 200 °C showed superior mechanical properties under both monotonic and cyclic loading. Different behavior was observed for the specimens formed in the tool with a temperature of 350 °C. Based on thorough analysis of prevalent microstructural features, processing-property-damage relationships are established pointing at the major impact of the thermal history on the final performance of the high-strength aluminum alloys in focus. open access Sajadifar, Seyed Vahid Scharifi, Emad Wegener, Thomas Krochmal, Marcel Lotz, Steffen Steinhoff, Kurt Niendorf, Thomas doi:10.1016/j.ijfatigue.2021.106676 Aluminiumlegierung Ermüdung bei niedrigen Lastspielzahlen Thermomechanische Behandlung Mechanische Eigenschaft Mikrostruktur Bruch Materialermüdung acceptedVersion eissn:1879-3452 International Journal of Fatigue Volume 156 2024-03-01 2024-03-01 false 106676
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