Effect of Thermal Treatments on the Mechanical Properties Enhancement of High Reliability Metallic Materials by Laser Shock Processing

Ocaña Moreno, José Luis and Díaz, M. and Porro González, Juan Antonio and Ruiz de Lara de Luis, Leonardo and Correa, C. (2014). Effect of Thermal Treatments on the Mechanical Properties Enhancement of High Reliability Metallic Materials by Laser Shock Processing. "Materials Science Forum", v. 783-86 (n. null); pp. 2376-2381. ISSN 0255-5476. https://doi.org/10.4028/www.scientific.net/MSF.783-786.2376.

Description

Title: Effect of Thermal Treatments on the Mechanical Properties Enhancement of High Reliability Metallic Materials by Laser Shock Processing
Author/s:
  • Ocaña Moreno, José Luis
  • Díaz, M.
  • Porro González, Juan Antonio
  • Ruiz de Lara de Luis, Leonardo
  • Correa, C.
Item Type: Article
Título de Revista/Publicación: Materials Science Forum
Date: 2014
Volume: 783-86
Subjects:
Freetext Keywords: Laser Shock Processing, Residual Stresses, Mechanical Properties, Thermal Treatments, Fatigue Life.
Faculty: E.T.S.I. Industriales (UPM)
Department: Física Aplicada e Ingeniería de Materiales
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Laser shock processing (LSP) is increasingly applied as an effective technology for the improvement of metallic materials mechanical properties in different types of components as a means of enhancement of their fatigue life behavior. As reported in previous contributions by the authors, a main effect resulting from the application of the LSP technique consists on the generation of relatively deep compression residual stresses fields into metallic components allowing an improved mechanical behaviour, explicitly the life improvement of the treated specimens against wear, crack growth and stress corrosion cracking. Additional results accomplished by the authors in the line of practical development of the LSP technique at an experimental level (aiming its integral assessment from an interrelated theoretical and experimental point of view)are presented in this paper. Concretely, experimental results on the residual stress profiles and associated mechanical properties modification successfully reached in typical materials under different LSP irradiation conditions are presented. In this case, the specific behavior of a widely used material in high reliability components (especially in nuclear and biomedical applications) as AISI 316L is analyzed, the effect of possible “in-service” thermal conditions on the relaxation of the LSP effects being specifically characterized.

Funding Projects

TypeCodeAcronymLeaderTitle
Government of SpainMAT2008-02704/MATUnspecifiedUnspecifiedUnspecified
Government of SpainMAT2012- 37782UnspecifiedUnspecifiedUnspecified

More information

Item ID: 36112
DC Identifier: http://oa.upm.es/36112/
OAI Identifier: oai:oa.upm.es:36112
DOI: 10.4028/www.scientific.net/MSF.783-786.2376
Official URL: http://www.scientific.net/MSF
Deposited by: Memoria Investigacion
Deposited on: 17 Feb 2016 16:40
Last Modified: 03 Mar 2017 16:40
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