Study for Evaluation of Surface Cracks on Tribological Coatings Failure in Contacting Systems |
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| Journal | Key Engineering Materials (Volumes 321 - 323) |
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| Volume | Advanced Nondestructive Evaluation I |
| Edited by | Seung-Seok Lee, Joon Hyun Lee, Ik Keun Park, Sung-Jin Song, Man Yong Choi |
| Pages | 594-598 |
| DOI | 10.4028/www.scientific.net/KEM.321-323.594 |
| Citation | Byung Young Moon et al., 2006, Key Engineering Materials, 321-323, 594 |
| Online since | October, 2006 |
| Authors | Byung Young Moon, Byeong Soo Kim, H. K. Kang, S.W. Chung |
| Keywords | Coating Failure, Finite Element (FE), Knee Contact System, Stress Extrapolation, Tribology |
| Abstract | 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 |
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