Paper Title:
Time-Dependent Effect of Viscoelastic Substrate on a Cracked Body under Inplane Load
  Abstract

Theoretical and experimental methods dealing with the effect of a viscoelastic substrate on a cracked body under inplane load are presented in this article. A generalized trimaterial solution is solved as a convergent series in terms of complex potentials via the successive iterations of the alternating technique in order to satisfy the continuity condition along the interfaces between dissimilar media. This trimaterial solution is then applied to the problem of a finite thickness layer bonded to a half-plane substrate. Using a standard solid model to formulate the viscoelastic constitutive equation, the real time stress intensity factors can be directly obtained from the Laplace domain. In the experiment, an aluminum cracked plate bonded to a polymer substrate is tested in a tension machine, where the displacement of the specimen is recorded by a high precision digital camera. The time-dependent stress intensity factor is determined by an inverse calculation through the crack opening displacement. The comparisons between the theoretical and experimental results are discussed in the final.

  Info
Periodical
Key Engineering Materials (Volumes 306-308)
Edited by
Ichsan Setya Putra and Djoko Suharto
Pages
477-482
DOI
10.4028/www.scientific.net/KEM.306-308.477
Citation
R. C. Chang, C. K. Chao, C.T. Chuang, P.H. Yang, "Time-Dependent Effect of Viscoelastic Substrate on a Cracked Body under Inplane Load", Key Engineering Materials, Vols. 306-308, pp. 477-482, 2006
Online since
March 2006
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Price
$32.00
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