Laser Shock Processing: An Advanced Technique for Improving the Surface and Mechanical Properties of Metallic Alloys

Ocaña Moreno, José Luis and Porro González, Juan Antonio and Díaz Muñoz, Marcos and Ruiz de Lara de Luis, Leonardo and García Beltrán, Ángel and Santiago Varela, José Antonio and Peral Jiménez, David (2015). Laser Shock Processing: An Advanced Technique for Improving the Surface and Mechanical Properties of Metallic Alloys. In: "Advances in Materials and Processing Technologies Conference (AMPT 2015)", 14-17 diciembre 2015, Madrid (Spain). pp. 1-40.

Description

Title: Laser Shock Processing: An Advanced Technique for Improving the Surface and Mechanical Properties of Metallic Alloys
Author/s:
  • Ocaña Moreno, José Luis
  • Porro González, Juan Antonio
  • Díaz Muñoz, Marcos
  • Ruiz de Lara de Luis, Leonardo
  • García Beltrán, Ángel
  • Santiago Varela, José Antonio
  • Peral Jiménez, David
Item Type: Presentation at Congress or Conference (Poster)
Event Title: Advances in Materials and Processing Technologies Conference (AMPT 2015)
Event Dates: 14-17 diciembre 2015
Event Location: Madrid (Spain)
Title of Book: Advances in Materials and Processing Technologies Conference (AMPT 2015)
Date: 2015
Subjects:
Faculty: E.T.S.I. Industriales (UPM)
Department: Física Aplicada e Ingeniería de Materiales
UPM's Research Group: LSP Team
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Profiting by the increasing availability of laser sources delivering intensities above 10 9W/cm2 with pulse energies in the range of several Joules and pulse widths in the range of nanoseconds, laser shock processing (LSP) is being consolidating as an effective technology for the improvement of surface and mechanical resistance properties of metals and is being developed as a practical process amenable to production engineering. The main acknowledged advantage of the laser shock processing technique consists on its capability of inducing a relatively deep compression residual stresses field into metallic alloy pieces allowing an improved mechanical behaviour, explicitly, the life improvement of the treated specimens against wear, crack growth and stress corrosion cracking. Following a short description of the theoretical/computational and experimental methods developed by the authors for the predictive assessment and experimental implementation of LSP treatments, experimental results on the residual stress profiles and associated surface properties modification successfully reached in typical materials (specifically steels and Al and Ti alloys) under different LSP irradiation conditions are presented. In particular, the analysis of the residual stress profiles obtained under different irradiation parameters and the evaluation of the corresponding induced surface properties and fatigue life enhancement are presented.

More information

Item ID: 45054
DC Identifier: http://oa.upm.es/45054/
OAI Identifier: oai:oa.upm.es:45054
Official URL: http://ampt2015.org/
Deposited by: Memoria Investigacion
Deposited on: 08 Mar 2017 08:29
Last Modified: 10 Mar 2017 16:55
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