Effect of laser shock peening on residual stress and fatigue life of clad 2024 aluminium sheet containing scribe defects

► Effect of laser peen intensity on local residual stress fields in 2024 aluminium. ► Peening induces significant changes in surface topography and local hardness. ► Residual stress at peen spot centre in tension, spot overlap in compression. ► Notched fatigue lives increased; crack morphology corre...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2012-06, Vol.548, p.142-151
Hauptverfasser:	Dorman, M., Toparli, M.B., Smyth, N., Cini, A., Fitzpatrick, M.E., Irving, P.E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminium sheet Aluminum Aluminum base alloys Applied sciences Compressing Condensed matter: structure, mechanical and thermal properties Crack growth Exact sciences and technology Fatigue Fatigue (materials) Fatigue life Fatigue, brittleness, fracture, and cracks Laser peening Lasers Mechanical and acoustical properties of condensed matter Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Mechanical properties of solids Metals. Metallurgy Peening Physics Polishing. Blast cleaning Production techniques Residual stress Residual stresses Surface treatment
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