MODELING OF SLIDING FRICTION WITH SUPERIMPOSED ULTRASONIC OSCILLATION

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SHAHGHOLIAN GHAHFAROKHI DAVOUD; SALIMI MAHMOUD

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Journal: Modares Mechanical Engineering Year:2015 | Volume:14 | Issue:16 Page(s): 302-310

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Information Journal Paper

Title

MODELING OF SLIDING FRICTION WITH SUPERIMPOSED ULTRASONIC OSCILLATION

Author(s)

SHAHGHOLIAN GHAHFAROKHI DAVOUD | SALIMI MAHMOUD | Issue Writer Certificate

Keywords

MODELLINGQ2

‏SLIDING FRICTIONQ2

ULTRASONIC OSCILLATIONQ2

‏ASPERITYQ2

‏SURFACE CONTACTQ2

Abstract

When two bodies slide on each other the asperities are engaged and deformed which causes the dynamic friction. By superposing ‎ultrasonic oscillation to one of the bodies, the friction force is reduced. The experiments show that the friction force may be reduced by ‎about 60 percent depending on material properties and the kinetics of the two bodies. This phenomenon is widely used in metal forming ‎and metal cutting. This phenomenon may be used as a replacement of lubricants in such processes due to its higher efficiency and less ‎pollution effects. In this research an elastic-plastic model for the surface contact is given which is capable of predicting the friction force when ultrasonic ‎vibrations are superimposed to macroscopic motion. The result of this model is compared with that of the experimental values. The ‎differences between these values are shown to be less than 10 percent. The result of the model is also compared with that of the Dong ‎model. The comparison show that the present model ‏‎ has better accuracy of the Dong model.

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APA: Copy

SHAHGHOLIAN GHAHFAROKHI, DAVOUD, & SALIMI, MAHMOUD. (2015). MODELING OF SLIDING FRICTION WITH SUPERIMPOSED ULTRASONIC OSCILLATION. MODARES MECHANICAL ENGINEERING, 14(16), 302-310. SID. https://sid.ir/paper/177874/en

Vancouver: Copy

SHAHGHOLIAN GHAHFAROKHI DAVOUD, SALIMI MAHMOUD. MODELING OF SLIDING FRICTION WITH SUPERIMPOSED ULTRASONIC OSCILLATION. MODARES MECHANICAL ENGINEERING[Internet]. 2015;14(16):302-310. Available from: https://sid.ir/paper/177874/en

IEEE: Copy

DAVOUD SHAHGHOLIAN GHAHFAROKHI, and MAHMOUD SALIMI, “MODELING OF SLIDING FRICTION WITH SUPERIMPOSED ULTRASONIC OSCILLATION,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 16, pp. 302–310, 2015, [Online]. Available: https://sid.ir/paper/177874/en

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