Journal
ENGINEERING FRACTURE MECHANICS
Volume 76, Issue 11, Pages 1563-1573Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engfracmech.2009.02.016
Keywords
Mixed mode loading; Test specimen; Brittle fracture; Finite element analysis
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Numerical and experimental studies were performed on a new fracture test configuration called the diagonally loaded square plate (DLSP) specimen. The mode I and mode II stress intensity factors were computed for different crack lengths and crack orientation angles using finite element analysis. The numerical results show that the DLSP specimen is able to provide pure mode I, pure mode II and any mixed mode loading conditions in between. Fracture experiments were also conducted on Plexiglas using the DLSP specimen. It is shown that the results obtained from the fracture tests are consistent very well with mixed mode fracture theories. (C) 2009 Elsevier Ltd. All rights reserved.
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