Test bench combining high-frequency tribological stress and oligocyclic fatigue

A test rig combining high-frequency tribological stress and low-cycle fatigue. The test rig includes a first test piece which is fixed to a frame and defines at least one bearing surface, a second test piece which is connected to an actuator for loading the second test piece so that it bears against...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Francois Vogel, Franck Vernis, Jean Philippe Lapuyade, Jean Vincent Manuel Meriaux, Laurent Houze
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A test rig combining high-frequency tribological stress and low-cycle fatigue. The test rig includes a first test piece which is fixed to a frame and defines at least one bearing surface, a second test piece which is connected to an actuator for loading the second test piece so that it bears against the at least one bearing surface of the first test piece, a heater configured for heating the test pieces and a vibration generator, such as a shaker, for loading the test pieces in a vibratory manner so as to carry out a fretting fatigue and low-cycle and high-cycle fatigue test. One of the test pieces includes a portion in the shape of a turbine engine rotor blade root and which is inserted in a groove having a shape that is substantially complementary to the other test piece so as to reproduce a turbine engine blade-disc attachment.