Study for Evaluation of Surface Cracks on Tribological Coatings Failure in Contacting Systems


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The use of linear and second order stress extrapolation to obtain KI and KII in two-dimensional finite element models of a thick plate containing an edge crack was examined. Three loading cases were studied, including classical Mode I and Mode II problems and a problem of tribological contact. Linear extrapolation was observed to yield accurate predictions of KI in cases of dominant Mode I loading. In Mode II situations, notably where the crack faces experienced compressive normal stresses, second order extrapolation was observed to improve estimates of KII



Key Engineering Materials (Volumes 321-323)

Edited by:

Seung-Seok Lee, Joon Hyun Lee, Ik Keun Park, Sung-Jin Song, Man Yong Choi




B. Y. Moon et al., "Study for Evaluation of Surface Cracks on Tribological Coatings Failure in Contacting Systems", Key Engineering Materials, Vols. 321-323, pp. 594-598, 2006

Online since:

October 2006




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