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W. Arbegast (2008)
A flow-partitioned deformation zone model for defect formation during friction stir weldingScripta Materialia, 58
D. Caravaca, C. Bird, K. Beamish, S. Maddox (2007)
Correlation of Phased Array Inspection and Fatigue Performance of FSW Joints
G. Sih, E. Madenci (1985)
Prediction of failure in weldments — Part II: Joint with initial notch and crackTheoretical and Applied Fracture Mechanics, 3
P. Gomiero, Y. Bréchet, F. Louchet, A. Tourabi, B. Wack (1992)
Microstructure and mechanical properties of a 2091 AlLi alloy—II. Mechanical properties: Yield stress and work hardeningActa Metallurgica Et Materialia, 40
G. Sih, E. Madenci (1983)
Crack growth resistance characterized by the strain energy density functionEngineering Fracture Mechanics, 18
D. Lohwasser, Z. Chen (2010)
Friction stir welding : from basics to applications
B. Gibson, D. Lammlein, T. Prater, W. Longhurst, C. Cox, Marjorie Ballun, K. Dharmaraj, G. Cook, A. Strauss (2014)
Friction stir welding: Process, automation, and controlJournal of Manufacturing Processes, 16
G. Sih, E. Madenci (1985)
Prediction of failure in weldments - Part I: Smooth jointTheoretical and Applied Fracture Mechanics, 3
Yu Ma, Zhen Zhao, Baoqi Liu, Wenya Li (2013)
Mechanical properties and fatigue crack growth rates in friction stir welded nugget of 2198-T8 Al–Li alloy jointsMaterials Science and Engineering A-structural Materials Properties Microstructure and Processing, 569
T. Srivatsan, E. Lavernia (1990)
The effect of oxides on mechanical properties of aluminium-lithium alloysJournal of Materials Science Letters, 9
G. Sih, E. Moyer (1983)
Path dependent nature of fatigue crack growthEngineering Fracture Mechanics, 17
T. Jolu, T. Morgeneyer, A. Gourgues-Lorenzon (2010)
Effect of joint line remnant on fatigue lifetime of friction stir welded Al–Cu–Li alloyScience and Technology of Welding and Joining, 15
A. Heinz, A. Haszler, C. Keidel, S. Moldenhauer, R. Benedictus, W. Miller (2000)
Recent development in aluminium alloys for aerospace applicationsMaterials Science and Engineering A-structural Materials Properties Microstructure and Processing, 280
Caizhi Zhou, Xinqi Yang, G. Luan (2006)
Effect of Root Flaws on the Fatigue Property of Friction Stir Welds in 2024-T3 Aluminum AlloysMaterials Science and Engineering A-structural Materials Properties Microstructure and Processing, 418
Y. Sato, H. Takauchi, Seung Park, H. Kokawa (2005)
Characteristics of the kissing-bond in friction stir welded Al alloy 1050Materials Science and Engineering A-structural Materials Properties Microstructure and Processing, 405
PurposeThe Lack of Penetration (LoP) defect is one of the flaws that can be generated during the friction stir welding (FSW) process. Depending on the size, the depth and the severity of the LoP defect, it is possible that it is hardly detectable by optical inspection or other NDT methods. Whether detectable or not, this defect may lead to a significant degradation of the fatigue properties of the welded material, as the improperly welded zone can act as a fracture initiation site. The paper aims to discuss these issues.Design/methodology/approachIn this experimental investigation, an attempt is made to assess and compare the fatigue behavior of FSW aluminum joints with and without the LoP defect.FindingsIt was found that the LoP defect affects the fatigue behavior of the welded material at high stress levels whereas the effect diminishes with decreasing stress levels.Originality/valueDepending on the design stress levels, the LoP defect may dominate fracture and thus, the welding parameters should be carefully selected so as to avoid such defect.
International Journal of Structural Integrity – Emerald Publishing
Published: Aug 14, 2017
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