Journal
ENGINEERING FRACTURE MECHANICS
Volume 107, Issue -, Pages 61-79Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engfracmech.2013.05.010
Keywords
Elasticity; Semicircular disk; Weight function; Stress intensity factor; Form factor
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We analyze the utility of edge cracked semicircular disk (ECSD) for rapid assessment of fracture toughness using compressive loading. Continuing our earlier work on ECSD, a theoretical examination here leads to a novel way for synthesizing weight functions using two distinct form factors. The efficacy of ECSD mode-I weight function synthesized using displacement and form factor methods is demonstrated by comparing with finite element results. Theory of elasticity in conjunction with finite element method is utilized to analyze crack opening potency of ECSD under eccentric compression to explore newer configurations of ECSD for fracture testing. (C) 2013 Elsevier Ltd. All rights reserved.
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