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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Recent Approaches to Brittle Fracture Characteristics of Steels
 Dlouhý, Ivo ; Hadraba, Hynek ; Kozák, Vladislav ; Chlup, Zdeněk ; Holzmann, Miloslav
A brief overview of the current approaches for evaluating selected brittle fracture properties of steels relating to fracture resistance of welded joints. A critical analysis of the existing solutions to a singleparameter description of a crack tip stress field, linear-elastic and elastic-plastic fracture mechanics. Two-parameter fracture mechanics as the next development stage of fracture mechanics and impacts of its knowledge on fracture toughness measurement. Master curve for fracture toughness description of steels in the transition region. Local approach as the next fracture mechanics concept enabling prediction of global brittle fracture properties. Application of micromechanical crack tip fracture models (toughness scaling models) for correction of fracture mechanics data in their transfer from a specimen of one geometry to a specimen of another geometry and size (transferability). Evaluation of fracture properties of heterogeneous materials according to the SINTAP procedure.
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