Paper Title:
A Damage Analysis on the Composite Plate Subjected to Low Velocity Impact
  Abstract

The laminated composite structures applied to the wing and the speed brake of an aircraft or the turbine blade of a compressor. These structures may be impacted by birds and hails during operation. They may also be impacted by drop of a tool during manufacture or repair. Unlike high velocity impact damage, which can be easily found by the naked eye, the damage due to low velocity impact may be difficult to detect. Damage which is not detected may cause failure of a structure and result in damage propagation. Growth of damage means reduction of stiffness on the structure. So, exact prediction of damage caused by a low velocity impact is very important in order to guard against sudden failure of the structure. In this study, modified delamination failure criterion has suggested in order to predict the failure behavior of a composite plate subjected to low-velocity impact. The criterion includes the assumption which is matrix cracking mode causes delamination failure. Predicted damage using supposed delamination criterion is similar to experiment results.

  Info
Periodical
Key Engineering Materials (Volumes 306-308)
Edited by
Ichsan Setya Putra and Djoko Suharto
Pages
285-290
DOI
10.4028/www.scientific.net/KEM.306-308.285
Citation
Y. S. Lee, H. S. Kim, Y. J. Choi, J. H. Kim, "A Damage Analysis on the Composite Plate Subjected to Low Velocity Impact", Key Engineering Materials, Vols. 306-308, pp. 285-290, 2006
Online since
March 2006
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Price
$32.00
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