Sociedad Española de Integridad Estructural
Grupo Español de Fractura

Sociedad Española de Integridad Estructural
Grupo Español de Fractura

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LIGHTWEIGHT STIFFENED PANELS FABRICATED USING EMERGING FABRICATION TECHNOLOGIES: FATIGUE BEHAVIOUR

P.M.G.P. Moreira  V. Richter-Trummer  M. A. V. Figueiredo  P. M. S. T. de Castro     

Anales de la Mecánica de la Fractura, nº 27 . 2010 . Pág. -
Ver (.pdf): 129

Resumen: The need for lower costs and the emergence of adequate welding technologies has brought interest in large integral metallic structures for aircraft applications, however, in integral structures, a crack approaching a stiffener propagates simultaneously in the skin and into the stiffener and breaks it. The use manufacturing techniques as high speed machining (HSM), laser beam welding (LBW) and friction stir welding (FSW) requires further experimental and numerical work concerning the fatigue behaviour of panels manufactured using those processes. A testing programme including fatigue crack growth rate characterization in panels fabricated using HSM, LBW and FSW was performed. Data obtained at IDMEC-Porto testing panels under R (min. load / max. load) of 0.1 and 0.5 is presented, and the performance of panels manufactured using the different processes is discussed and compared. The work was developed in the frame of the European Union DATON project.

LocalizaciónPorto

Instituto de Engenharia Mecânica e Gestão Industrial, INEGI-FEUP Faculdade de Engenharia da Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
Faculdade de Engenharia da Universidade do Porto and IDMEC-Porto Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
Faculdade de Engenharia da Universidade do Porto and IDMEC-Porto Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
Faculdade de Engenharia da Universidade do Porto and IDMEC-Porto Rua Dr. Roberto Frias, 4200-465 Porto, Portugal



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