Experimental measurement of crack opening and closure loads for 6082-T6 aluminium subjected to periodic single and block overloads and underloads
作者： A.A. Aguilar Espinosa , N.A. Fellows , J.F. Durodola
DOI: 10.1016/J.IJFATIGUE.2012.07.010
关键词:
摘要: Abstract Crack closure and opening stresses have been determined for 6082-T6 aluminium, subjected to single block overloads underloads, using an optical method. The distance between the was varied in order investigate effect that crack growth has on rate. method provided high magnification allowing away from tip be advance monitored dynamically. data obtained gives insight into significance of periodic overloading underloading as well what interactions, such branching, retardation. results also enable numerical analytical codes evaluated.
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