On anisotropy and non-proportional loading in damage and fracture models

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review


    Modelling of ductile fracture can be done by damage evolution models and by fracture criteria. Recently, fracture criteria formulated in triaxiality, Lode angle parameter and fracture strain have gained popularity. This paper reviews some of these models and identifies issues when anisotropic damage and strain path dependency are involved. Both effects play a role when simple shear and pure shear deformations are compared. A concise overview of literature is presented. It is concluded that triaxiality and Lode angle based fracture criteria cannot account for relevant differences between simple and pure shear in ductile materials.
    Original languageEnglish
    Title of host publication11th Forming Technology Forum 2018
    Place of PublicationZurich, Switzerland
    PublisherIVP - ETH Zurich
    Number of pages6
    Publication statusPublished - Jul 2018
    Event11th Forming Technology Forum 2018: Experimental and numerical methods in the FEM based crack prediction - Technopark Zürich, Zurich, Switzerland
    Duration: 2 Jul 20183 Jul 2018
    Conference number: 11


    Conference11th Forming Technology Forum 2018
    Abbreviated titleFTF 2018
    Internet address


    • anisotropy
    • non-proportional loading
    • damage
    • fracture
    • Lode angle
    • triaxiality


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