Fatigue Life Extension of AA2024 Specimens and Integral Structures by Laser Shock Peening

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Standard

Fatigue Life Extension of AA2024 Specimens and Integral Structures by Laser Shock Peening. / Kashaev, Nikolai; Chupakhin, Sergey; Ventzke, Volker et al.
MATEC Web of Conferences: 12th International Fatigue Congress (FATIGUE 2018) . ed. / Henaff G. Vol. 165 EDP Sciences, 2018. 18001 (MATEC Web of Conferences; Vol. 165).

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Harvard

Kashaev, N, Chupakhin, S, Ventzke, V, Horstmann, M, Riekehr, S, Barbini, A, dos Santos, J, Keller, S, Klusemann, B & Huber, N 2018, Fatigue Life Extension of AA2024 Specimens and Integral Structures by Laser Shock Peening. in H G (ed.), MATEC Web of Conferences: 12th International Fatigue Congress (FATIGUE 2018) . vol. 165, 18001, MATEC Web of Conferences, vol. 165, EDP Sciences, 12th International Fatigue Congress (FATIGUE 2018), Poitiers, France, 27.05.18. https://doi.org/10.1051/matecconf/201816518001

APA

Kashaev, N., Chupakhin, S., Ventzke, V., Horstmann, M., Riekehr, S., Barbini, A., dos Santos, J., Keller, S., Klusemann, B., & Huber, N. (2018). Fatigue Life Extension of AA2024 Specimens and Integral Structures by Laser Shock Peening. In H. G (Ed.), MATEC Web of Conferences: 12th International Fatigue Congress (FATIGUE 2018) (Vol. 165). Article 18001 (MATEC Web of Conferences; Vol. 165). EDP Sciences. https://doi.org/10.1051/matecconf/201816518001

Vancouver

Kashaev N, Chupakhin S, Ventzke V, Horstmann M, Riekehr S, Barbini A et al. Fatigue Life Extension of AA2024 Specimens and Integral Structures by Laser Shock Peening. In G H, editor, MATEC Web of Conferences: 12th International Fatigue Congress (FATIGUE 2018) . Vol. 165. EDP Sciences. 2018. 18001. (MATEC Web of Conferences). doi: 10.1051/matecconf/201816518001

Bibtex

@inbook{714e1b3ac7e14748aa7017d632ffd383,
title = "Fatigue Life Extension of AA2024 Specimens and Integral Structures by Laser Shock Peening",
abstract = "The goal of the present study is to understand the effects of laser shock peening (LSP)-induced residual stresses on the fatigue crack propagation (FCP) behaviour of the commonly used aircraft aluminium alloy AA2024 in T3 heat treatment condition. LSP treatment was performed using a pulsed Nd:YAG laser on compact tensile C(T)50-specimens with a thickness of 2.0 mm. LSP-treated specimens reveal a significant retardation of the fatigue crack propagation. The fatigue crack retardation effect can be correlated with the compressive residual stresses introduced by LSP throughout the entire specimen thickness. A possible application of the LSP process on a component like panel with three welded stringers representing a part of a fuselage structure was performed as well. The skin-stringer AA2024-AA7050 Tjoints were realised through stationary shoulder friction stir welding (SSFSW), a variant of the conventional friction stir welding process. In this relatively new process, the shoulder does not rotate and therefore does not contribute to the heat generation. Consequently, a reduced and more homogeneous heat input leads to a less affected microstructure and better mechanical properties. The efficiency of the LSP process has been demonstrated resulting in an increase of 200 – 400% in fatigue lifetime.",
keywords = "Engineering",
author = "Nikolai Kashaev and Sergey Chupakhin and Volker Ventzke and Manfred Horstmann and Stefan Riekehr and Alessandro Barbini and {dos Santos}, Jorge and S{\"o}ren Keller and Benjamin Klusemann and Norbert Huber",
note = "Publisher Copyright: {\textcopyright} The Authors, published by EDP Sciences, 2018.; 12th International Fatigue Congress (FATIGUE 2018) ; Conference date: 27-05-2018 Through 01-06-2018",
year = "2018",
month = may,
day = "25",
doi = "10.1051/matecconf/201816518001",
language = "English",
volume = "165",
series = "MATEC Web of Conferences",
publisher = "EDP Sciences",
editor = "Henaff G",
booktitle = "MATEC Web of Conferences",
address = "France",
url = "http://www.fems.org/event/fatigue-2018-12th-international-fatigue-congress",

}

RIS

TY - CHAP

T1 - Fatigue Life Extension of AA2024 Specimens and Integral Structures by Laser Shock Peening

AU - Kashaev, Nikolai

AU - Chupakhin, Sergey

AU - Ventzke, Volker

AU - Horstmann, Manfred

AU - Riekehr, Stefan

AU - Barbini, Alessandro

AU - dos Santos, Jorge

AU - Keller, Sören

AU - Klusemann, Benjamin

AU - Huber, Norbert

N1 - Conference code: 12

PY - 2018/5/25

Y1 - 2018/5/25

N2 - The goal of the present study is to understand the effects of laser shock peening (LSP)-induced residual stresses on the fatigue crack propagation (FCP) behaviour of the commonly used aircraft aluminium alloy AA2024 in T3 heat treatment condition. LSP treatment was performed using a pulsed Nd:YAG laser on compact tensile C(T)50-specimens with a thickness of 2.0 mm. LSP-treated specimens reveal a significant retardation of the fatigue crack propagation. The fatigue crack retardation effect can be correlated with the compressive residual stresses introduced by LSP throughout the entire specimen thickness. A possible application of the LSP process on a component like panel with three welded stringers representing a part of a fuselage structure was performed as well. The skin-stringer AA2024-AA7050 Tjoints were realised through stationary shoulder friction stir welding (SSFSW), a variant of the conventional friction stir welding process. In this relatively new process, the shoulder does not rotate and therefore does not contribute to the heat generation. Consequently, a reduced and more homogeneous heat input leads to a less affected microstructure and better mechanical properties. The efficiency of the LSP process has been demonstrated resulting in an increase of 200 – 400% in fatigue lifetime.

AB - The goal of the present study is to understand the effects of laser shock peening (LSP)-induced residual stresses on the fatigue crack propagation (FCP) behaviour of the commonly used aircraft aluminium alloy AA2024 in T3 heat treatment condition. LSP treatment was performed using a pulsed Nd:YAG laser on compact tensile C(T)50-specimens with a thickness of 2.0 mm. LSP-treated specimens reveal a significant retardation of the fatigue crack propagation. The fatigue crack retardation effect can be correlated with the compressive residual stresses introduced by LSP throughout the entire specimen thickness. A possible application of the LSP process on a component like panel with three welded stringers representing a part of a fuselage structure was performed as well. The skin-stringer AA2024-AA7050 Tjoints were realised through stationary shoulder friction stir welding (SSFSW), a variant of the conventional friction stir welding process. In this relatively new process, the shoulder does not rotate and therefore does not contribute to the heat generation. Consequently, a reduced and more homogeneous heat input leads to a less affected microstructure and better mechanical properties. The efficiency of the LSP process has been demonstrated resulting in an increase of 200 – 400% in fatigue lifetime.

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=85048120390&partnerID=8YFLogxK

U2 - 10.1051/matecconf/201816518001

DO - 10.1051/matecconf/201816518001

M3 - Article in conference proceedings

VL - 165

T3 - MATEC Web of Conferences

BT - MATEC Web of Conferences

A2 - G, Henaff

PB - EDP Sciences

T2 - 12th International Fatigue Congress (FATIGUE 2018)

Y2 - 27 May 2018 through 1 June 2018

ER -

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