Dispositif d'essai de fatigue d'une éprouvette
L'invention porte sur un dispositif d'essai de fatigue d'une éprouvette comprenant un châssis pourvu d'au moins une matrice de réception de l'éprouvette. Le dispositif d'essai de fatigue comprend un système de délivrance à l'éprouvette de sollicitations à fréquence ultrasonoer comprise entre 10 kHz et 70 kHz.
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BRUGGER, Charles; PALIN-LUC, Thierry; OSMOND, Pierre; BLANC, Michel (Elsevier, 2017)A new fatigue testing device has been developed to test specimens under biaxial loading at 20 kHz. The specimen is a flat smooth disc. It is placed on a torus frame and cyclically loaded in compression at the center of its ...
A new piezoelectric fatigue testing machine in pure torsion for ultrasonic gigacycle fatigue tests: application to forged and extruded titanium alloys NIKITIN, Alexander; BATHIAS, Claude; PALIN-LUC, Thierry (Wiley, 2015)This article briefly discusses the history of the development of ultrasonic fatigue testing methods, with respect to industrial needs. The development of ultrasonic techniques and the progress made in the computer industry ...
Fatigue crack initiation and growth on a steel in the very high cycle regime with sea water corrosion PALIN-LUC, Thierry; PÉREZ-MORA, Ruben; BATHIAS, Claude; DOMINGUEZ, Gonzalo; PARIS, Paul C.; ARANA, Jose Luis (Elsevier, 2010)This paper is devoted to the effect of corrosion on the gigacycle fatigue strength of a martensitic–bainitic hot rolled steel used for manufacturing offshore mooring chains for petroleum platforms. Smooth specimens were ...
Very high cycle fatigue of a high strength steel under sea water corrosion: A strong corrosion and mechanical damage coupling PEREZ-MORA, Ruben; PALIN-LUC, Thierry; BATHIAS, Claude; PARIS, Paul C. (Elsevier, 2015)This paper is focused on the effect of sea water corrosion on the gigacycle fatigue strength of a martensitic–bainitic hot rolled steel R5 used for manufacturing off-shore mooring chains for petroleum platforms in the North ...
Comparison of crack paths in a forged and extruded aeronautical titanium alloy loaded in torsion in the gigacycle fatigue regime NIKITIN, Alexander; PALIN-LUC, Thierry; SHANYAVSKIY, Andrey; BATHIAS, Claude (Elsevier, 2016)This paper discusses features of fatigue crack initiation and growth in an extruded and forged VT3-1 titanium alloy loaded in pure torsion in the gigacycle regime. Torsion fatigue tests were performed at 20 kHz up to a ...