Paper Title:
The Effects of Energy Director Shape on Temperature Field during Ultrasonic Welding of Thermoplastic Composites
  Abstract

The ultrasonic welding process of thermoplastic composite with different shapes of energy director (ED) was simulated using finite element model. The results show that the highest temperature zone locates at the tip for the semicircular and triangular ones, and locates at the middle height for the trapezoid one. But it does not locate at the body of ED for the rectangular one. Energy director with different shapes lead to the temperature rising rate at different order of amplitude. The welding amplitude has same influence on the four shapes of ED. The temperature distributing profiles of semicircular, triangular and trapezoid ED keep constant from the initial welding time to that when the highest temperature on joints arrives the temperature of glass transformation (Tg), but the profile for rectangular ED changes greatly.

  Info
Periodical
Key Engineering Materials (Volumes 353-358)
Edited by
Yu Zhou, Shan-Tung Tu and Xishan Xie
Pages
2007-2010
DOI
10.4028/www.scientific.net/KEM.353-358.2007
Citation
J. C. Yan, X. L. Wang, R. Q. Li, H. B. Xu, S. Q. Yang, "The Effects of Energy Director Shape on Temperature Field during Ultrasonic Welding of Thermoplastic Composites", Key Engineering Materials, Vols. 353-358, pp. 2007-2010, 2007
Online since
September 2007
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Price
$32.00
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