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  • Fracture toughness analysis of a ductile steel by means of 3D surface displacements
    Paolinelli, L. D. ...
    The standards for characterization of fracture toughness of metals are focused on the calculation of fracture parameters based only on in-plane displacements of the specimen tested. Although fracture ... is a three-dimensionalproblem, out-of-plane displacements of the specimen tested are not mentioned in those documents. Since three-dimensional displacement measurement is available, it is worth investigating its potential uses in fracture tests. In this work, the fracture toughness of a structural steel was assessed through standard tests, measuring three-dimensional surface displacements. An alternative Crack Tip Opening Displacement calculation was introduced. The fracture initiation was inferred from the out-of-plane displacements, finding good agreement with results from R-curves.
    Source: Engineering fracture mechanics. - ISSN 0013-7944 (Vol. 98, Jan. 2013, str. 109-121)
    Type of material - article, component part
    Publish date - 2013
    Language - english
    COBISS.SI-ID - 16553750
    DOI