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Effect of Friction on Ultrasonic Consolidation

[+] Author Affiliations
Chunbo Zhang, Leijun Li

Utah State University, Logan, UT

Paper No. MSEC2007-31202, pp. 61-70; 10 pages
  • ASME 2007 International Manufacturing Science and Engineering Conference
  • ASME 2007 International Manufacturing Science and Engineering Conference
  • Atlanta, Georgia, USA, October 15–18, 2007
  • Conference Sponsors: Manufacturing Division
  • ISBN: 0-7918-4290-8 | eISBN: 0-7918-3809-9
  • Copyright © 2007 by ASME


Friction and plastic flow at the bond interface are believed to be the most fundamental phenomena in ultrasonic consolidation. This paper focuses on friction’s contribution to bonding mechanism in ultrasonic welding. Based on a 3-D thermo-mechanical dynamic FEM model, the distributions of temperature and plastic deformation caused by the friction stress are presented. Temperature and plastic deformation are found to vary with vibration cycles. A saturation phenomenon is identified that after certain number of vibration cycles, the plastic deformation at the bond interface reaches a “steady-state”.

Copyright © 2007 by ASME
Topics: Friction



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