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Surface Stress Concentration Analysis of Shot Peened Aluminium Alloys

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  • NETL
  • NSTL
  • Trans Tech Publications Ltd
Fatigue limit for surface crack initiation on shot peened Aluminium Alloys resulted to be determined by surface residual stress and stress concentration, according to the magnitude of the applied stress. The effect of surface roughness considered as micro-notches (dents) has been analysed by using the Vallellano and Navarro's formulation. It was also determined that the stress gradient associated to those dents dominates over the closure stress effect.

shot peeningresidual stressstress concentrationhigh strength aluminium alloys

J. Solis-Romero、J. Oseguera-Pena、J. Verduzco-Martinez、J. Gonzalez-Sanchez

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SEP-DGEST-ITTLA, Av. Mario Colin, S/N, Tlalnepantla Estado de Mexico, 54070, Mexico

ITESM-CEM, Carretera a Lago de Guadalupe km 3.5, Atizapan Edo. de Mex, 52926, Mexico

IIM-UMSNH, P.O. Box 888, Morelia Michoacan, 58000 Mexico

Centra de Investigation en Corrosion, Universidad Autonoma de Campeche. Av. Agustin Melgar S/N, Col. Buenavista, Campeche, 24039, Mexico

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2010

10.4028/www.scientific.net/KEM.449.70

Key engineering materials

Key engineering materials

ISSN：1013-9826
年,卷(期)：2010.449
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