The relationship between Ct and contour integrals under small-scale transient creep
作者： Chang-Sik Oh , Yun-Jae Kim , Kee-Bong Yoon , Robert A. Ainsworth , Kamran Nikbin
DOI: 10.1016/J.ENGFRACMECH.2009.09.004
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摘要: Abstract In this paper, the relationship between Ct and contour integrals for small-scale transient creep conditions is established, via elastic-creep finite element analysis. It found that integral similar to value evaluated roughly at zone size defined as boundaries where time-dependent effective strains equal instantaneous elastic measured normal crack plane tip.
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