Paper Title:
Effects of Ultrasonic Vibration on Tribological Properties of GCr15/45# Steel Frictional Pairs in Lubricated Sliding Conditions under Various Friction Speed
  Abstract

The effects of friction speed and ultrasonic vibration on friction reduction and anti-wear properties of GCr15/45# steel frictional pairs under oil lubrication were investigated by a modified MFT-R4000 reciprocating friction and wear tester. The mechanism of friction reduction and anti-wear under ultrasonic vibration was discussed. The results showed that, the ultrasonic vibration could influence the friction reduction and anti-wear properties of frictional pairs due to it could reduce the stress between the friction pairs and destroy the oil film on the surface of samples. When the friction frequency was 2Hz,ultrasonic vibration would reduce the friction coefficient and wear volume of the frictional pairs. When the load was 40N, the friction coefficient and wear volume of the frictional pairs attained under ultrasonic vibration decreased 8% and 44% respectively. However, ultrasonic vibration would increase the friction coefficient and wear volume when the friction frequency was 5Hz. When the load was 30N, friction coefficient and wear volume of frictional pairs increased 11% and 74% than that without ultrasonic vibration respectively.

  Info
Periodical
Chapter
Chapter 4: Friction and Wear
Edited by
Xiaodong Zhang, Zhijiu Ai, Prasad Yarlagadda and Yun-Hae Kim
Pages
599-602
DOI
10.4028/www.scientific.net/AMR.338.599
Citation
Y. L. Qiao, S. L. Yang, Y. Zang, X. Y. Dong, "Effects of Ultrasonic Vibration on Tribological Properties of GCr15/45# Steel Frictional Pairs in Lubricated Sliding Conditions under Various Friction Speed", Advanced Materials Research, Vol. 338, pp. 599-602, 2011
Online since
September 2011
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Price
$32.00
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