The crack tip fields of Mode Ⅱ stationary growth crack on bimaterial interface-中国期刊网

摘要 AmechanicalmodelisestablishedformodeⅡinterfacialcrackstaticgrowingalonganelastic-elasticpowerlawcreepingbimaterialinterface.Forfrictionalcontactofboundaryconditionsoncrackfaces,asymptoticsolutionsofthestressesandstrainsofneartip-crackaregot.Itwasshownthatinstablecreepgrowingphase,elasticdeformationandviscousdeformationareequallydominantinthenear-tipfield,thestressandstrainhavethesamesingularityandthereisnottheoscillatorysingularitythefield.Throughnumericalcalculation,itisshownthatthefrictionalcoefficientηnotablyinfluencethecrack-tipfield.

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The crack tip fields of Mode Ⅱ stationary growth crack on bimaterial interface

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The crack tip fields of Mode Ⅱ stationary growth crack on bimaterial interface

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