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Keywords: ultrasonic reflection
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Journal Articles
Article Type: Research Papers
J. Tribol. October 2023, 145(10): 104301.
Paper No: TRIB-22-1434
Published Online: May 25, 2023
... of the interface. This paper describes a method based on ultrasonic reflection to assess the wear status of rolling element bearings. A deep groove ball bearing wear test was performed and the reflected pulses were collected with a linear ultrasonic probe mounted on the bearing outer ring. The results show...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2009, 131(4): 041401.
Published Online: September 21, 2009
... of an ultrasonic approach for measuring the contact, real time on a rail, has been evaluated. The approach is based on the physical phenomenon of ultrasonic reflection at an interface. If the wheel and rail surfaces make contact, and are under high stress, they will transmit an ultrasonic pulse. However...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2006, 128(3): 493–504.
Published Online: March 21, 2006
.... A quasistatic spring model was used to determine maps of contact stiffness from wheel/rail ultrasonic reflection data. Pressure was then determined using a parallel calibration experiment. Three different contacts were investigated; those resulting from unused, worn, and sand damaged wheel and rail specimens...
Journal Articles
Article Type: Technical Papers
J. Tribol. January 2001, 123(1): 8–16.
Published Online: September 21, 2000
...R. S. Dwyer-Joyce; B. W. Drinkwater; A. M. Quinn The measurement of ultrasonic reflection has been used to study the contact between rough surfaces. An incomplete interface will reflect some proportion of an incident wave; this proportion is known as the reflection coefficient. If the wavelength...