Laser shock peening process modelling and experimental validation of AA2198-T3 and AA2198-T8

Publikation: Beiträge in ZeitschriftenKonferenzaufsätze in FachzeitschriftenForschungbegutachtet

Authors

Laser shock peening (LSP) is a surface treatment which improves the fatigue life of metallic structures by laser‐induced compressive residual stresses. The purpose of this work is the prediction of the measured residual stresses after LSP in sheets consisting of AA2198. Therefore, a finite element model is set‐up. The Johnson‐Cook material model is used to model the strain rate depend material behaviour during plastic deformations. Stress averaging enables the comparison between measured and predicted residual stresses. Residual stress measurements are performed using the incremental hole drilling method. The initially unknown pressure pulse is identified for AA2198‐T3 and validated with AA2198‐T8. (© 2017 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)
OriginalspracheEnglisch
ZeitschriftProceedings in applied mathematics and mechanics
Jahrgang17
Ausgabenummer1
Seiten (von - bis)423 - 424
Anzahl der Seiten2
ISSN1617-7061
DOIs
PublikationsstatusErschienen - 2017
Veranstaltung88th Annual Meeting of the International Association of Applied Mathematics and Mechanics - GAMM 2017 - Weimar, Deutschland
Dauer: 06.03.201710.03.2017
Konferenznummer: 88
https://jahrestagung.gamm-ev.de/index.php/2017/annual-meeting-2017

Bibliographische Notiz

Volume 17 (2017) of PAMM “Proceedings in Applied Mathematics and Mechanics” assembles the contributions to the 88th Annual Meeting of the Gesellschaft für Angewandte Mathematik und Mechanik (GAMM), held 6 – 10 March 2017 at Weimar. Issue Online 15 March 2018

DOI

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