Paper Title:
Evaluation of Interlaminar Damage and Crack Propagation through Digital Image Correlation Method
  Abstract

Interface damage characterization and interlaminar failure of sandwich specimens with two initial interlaminar defects (inserts) is done by using the digital image correlation method. Mode I tests reveal interesting particularities on damage localization and unstable crack propagation. After analyzing the experimentally obtained results, we propose as a failure parameter the local strain at the crack tip or, alternatively, the crack tip opening displacement which quantifies the non-linear phenomena.

  Info
Periodical
Edited by
Liviu MARSAVINA
Pages
105-112
DOI
10.4028/www.scientific.net/KEM.399.105
Citation
D. M. Constantinescu, M. Sandu, L. Marsavina, R. Negru, M. C. Miron, D. A. Apostol, "Evaluation of Interlaminar Damage and Crack Propagation through Digital Image Correlation Method", Key Engineering Materials, Vol. 399, pp. 105-112, 2009
Online since
October 2008
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