This paper aims to characterize the surface damage as a consequence of fretting fatigue in aluminum alloy 7075-T6 plates in double-lap bolted joints through XRD, surface profilometry, and SEM analyses. The main focus was on the surface roughness and chemical phase composition of the damaged zone along with the identification of fretting fatigue crack initiations over the surface of the material...

Rotating bending fatigue tests have been performed to evaluate the corrosion fatigue performance and its influence factors of 7075-T7351 Al alloy in different media, namely air and a 5.0 wt % NaCl aqueous solution. All samples were coated by microarc oxidation (MAO) coating technology; some samples were followed by an epoxy resin pore-sealing treatment. Microscopic analyses of the surfaces and ...

.This paper describes a method of presentation of fatigue da ta on three commonly ~ ~ s e d aircraft materials, 2024 '1'3 and 7075-'l'fi aluminurn ~ ~ l l o y s and normalized S;2E -ll:IO steel, suc.11 th;i t variations in f'atiguc: s t rength with siress-conc.enl~.niir)n factor can he shown. ( :on j):irisons of the fatigue sLrengt1-i~ o f 2024-'I':I anti 7075-'I'6 aluininiim are made for the m...

a Université Pierre et Marie Curie-Paris 6; CNRS; Laboratoire de Physique Moléculaire pour l’Atmosphère et l’Astrophysique (LPMAA), UMR 7092, Case courrier 76, 4, place Jussieu, 75252 Paris Cedex 05, France b Université Pierre et Marie Curie-Paris 6; CNRS; Laboratoire de Dynamique, Interactions et Réactivité (LADIR), UMR 7075, Case courrier 49, Bât F 74, 4, place Jussieu, 75252 Paris Cedex 05, ...

Development of an accurate neuronal material model for aluminum alloys would facilitate better process control and parameter optimization in the aircraft industry. This research primarily attempts to design a connectionist constitutive model for aluminum 7075 alloy using multi-layer perceptrons. The backpropagation algorithm is used to train the designed network whose performance is then valida...