Digital Repository, CP2009

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Limitations of KII-criterion for crack-path computation inceramics
T. Fett, S. Fünfschilling, R. Oberacker, M.J. Hoffmann, M. Lengauer, R. Bermejo, R. Danzer

Last modified: 2013-03-15

Abstract


Ceramic rolls for wire hot rolling at multi-line rolling mills may fail bycontact overloading. The present paper deals with a refinement of first publications onthis topic. In the first part the relations for stress intensity factor computation via theweight function method are compiled. Then it is shown whether the mixed-mode stressintensity factors of the curved cracks can be applied for the prediction of crack path viathe condition of local symmetry.

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