Characterization Of Friction Stir Welded Joints Of Aa 2024-T351 - Native Vs. Treated By Laser Shock Processing

Iordachescu, Danut and Porro González, Juan Antonio and Iordachescu, Mihaela and Ruiz Hervías, Jesús and Ocaña Moreno, José Luis and Vilaca, Pedro (2011). Characterization Of Friction Stir Welded Joints Of Aa 2024-T351 - Native Vs. Treated By Laser Shock Processing. In: "7 th International Conference on Materials Science & Engineering – BRAMAT 2011", 24/02/2011 - 26/02/2011, Poiana Brasov, Rumania. pp. 63-66.

Description

Title: Characterization Of Friction Stir Welded Joints Of Aa 2024-T351 - Native Vs. Treated By Laser Shock Processing
Author/s:
  • Iordachescu, Danut
  • Porro González, Juan Antonio
  • Iordachescu, Mihaela
  • Ruiz Hervías, Jesús
  • Ocaña Moreno, José Luis
  • Vilaca, Pedro
Item Type: Presentation at Congress or Conference (Article)
Event Title: 7 th International Conference on Materials Science & Engineering – BRAMAT 2011
Event Dates: 24/02/2011 - 26/02/2011
Event Location: Poiana Brasov, Rumania
Title of Book: Proceedings of 7 th International Conference on Materials Science & Engineering – BRAMAT 2011
Date: 2011
Volume: The co
Subjects:
Freetext Keywords: Friction Stir Welding, Laser Shock Processing, microstructure, hardness, stress corrosion
Faculty: E.T.S.I. Industriales (UPM)
Department: Física Aplicada a la Ingeniería Industrial [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The paper presents a consistent set of results showing the ability of Laser Shock Processing (LSP) in modifying the overall properties of the Friction Stir Welded (FSW) joints made of AA 2024-T351. Based on laser beam intensities above 109 W/cm2 with pulse energies of several Joules and pulses durations of nanoseconds, LSP is able of inducing a compression residual stress field, improving the wear and fatigue resistance by slowing crack propagation and stress corrosion cracking, but also improving the overall behaviour of the structure. After the FSW and LSP procedures are briefly presented, the results of micro-hardness measurements and of transverse tensile tests, together with the corrosion resistance of the native joints vs. LSP treated are discussed. The ability of LSP to generate compressive residual stresses and to improve the behaviour of the FSW joints is underscored.

More information

Item ID: 11284
DC Identifier: http://oa.upm.es/11284/
OAI Identifier: oai:oa.upm.es:11284
Official URL: http://www2.unitbv.ro/sim/bramat2011/
Deposited by: Memoria Investigacion
Deposited on: 03 Jul 2012 09:33
Last Modified: 06 Mar 2017 19:24
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