Experimental methodology for the quantification of crack tip plastic zone and shape from the analysis of displacement fields by J.M. Vasco-Olmo, F.A. Díaz, M.N. James, C.J. Christopher, E.A. Patterson

“…In addition, the ability to predict the shape and size of the experimentally observed crack tip plastic zone has been explored using three different analytical elastic crack tip models [Westergaard, Williams and ChristopherJames-Patterson (CJP)]. This analysis indicated that the CJP model provided the most accurate prediction of the plastic zone and shape.…”
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