Smart Mater. Struct. volume 23, issue 10, P104005 2014 DOI: 10.1088/0964-1726/23/10/104005 View full text
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Sheng Dong, Marcelo J Dapino

Abstract: Traditional lubricants are undesirable in harsh aerospace environments and certain automotive applications. Ultrasonic vibrations can be used to reduce and modulate the effective friction coefficient between two sliding surfaces. This paper investigates the relationship between friction force reduction and wear reduction in ultrasonically lubricated surfaces. A pin-on-disc tribometer is modified through the addition of a piezoelectric transducer which vibrates the pin at 22 kHz in the direction perpendicular t…

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