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The influence of discontinuity of fracture-mechanics parameters on the failure manner of multi-material structures

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F11%3APU97682" target="_blank" >RIV/00216305:26210/11:PU97682 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    The influence of discontinuity of fracture-mechanics parameters on the failure manner of multi-material structures

  • Original language description

    Within failure assessment of singular stress concentrators, the crack initiation and propagation direction is often gained from the criterion of the maximum tangential stress. But there are cases where the crack is initiated in a different direction thanthe direction corresponding to the global maximum of tangential stress. A case of this kind can occur during constrained crack initiation caused by discontinuity of fracture-mechanics parameters, namely the fracture toughness KIC or the threshold valueKIth. An example can be the crack initiation in a multi-material wedge, where the extreme value of tangential stress occurs in one of the materials, but the crack initiates in another material part. The maximum value of tangential stress is often oriented to the material with the highest elastic module. But due to different fracture-mechanics properties (KIC or KIth) of particular materials, the crack can initiate into a material with worse fracture-mechanics properties or into the bi-ma

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JL - Fatigue and fracture mechanics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GAP108%2F10%2F2049" target="_blank" >GAP108/10/2049: Crack initiation and propagation from interface-related singular stress concentrators</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2011

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Proceedings of Computational Modeling of Fracture and Failure of Materials and Structures

  • ISBN

    978-84-87867-66-8

  • ISSN

  • e-ISSN

  • Number of pages

    4

  • Pages from-to

    1-4

  • Publisher name

    cimne

  • Place of publication

    Barcelona, Španělsko

  • Event location

    Barcelona

  • Event date

    Jun 6, 2011

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article