2012 # Analysis of notch effect in PMMA using the Theory of Critical Distances

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“…Also of great interest is the relation between the macroscopic resistant observations (i.e., load bearing capacity and apparent fracture toughness) and the fracture micromechanisms, as previously reported in [17,18]. This paper focusses the analysis of notch effect on a particularly significant group of materials: ferritic-pearlitic steels, which constitute the core part of structural steels.…”

confidence: 91%

“…Also of great interest is the relation between the macroscopic resistant observations (i.e., load bearing capacity and apparent fracture toughness) and the fracture micromechanisms, as previously reported in [17,18]. This paper focusses the analysis of notch effect on a particularly significant group of materials: ferritic-pearlitic steels, which constitute the core part of structural steels.…”

confidence: 91%

“…The authors have previously reported [17,18] that, beyond the stress relaxation generated by the presence of a finite notch, the notch effect also generates an evolution of fracture micromechanisms. Thus, for a given material and condition, and assuming brittle behaviour in cracked conditions, the fracture micromechanisms become more and more non-linear (ductile) when the notch radius increases, something that may be related to the corresponding progressive loss of constraint.…”

confidence: 99%