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The role of the surface in crack initiation in sharp and bi-material notches

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F21%3APU141486" target="_blank" >RIV/00216305:26210/21:PU141486 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    The role of the surface in crack initiation in sharp and bi-material notches

  • Original language description

    Sharp and bi-material notches occur in engineering components. Sharp notches are induced by requirements on a shape of components and structures. Bi-material notches are often related with components for electrical equipment (wire-insulator connection), or in civil engineering (steel-concrete junction). In the contribution, stress state is studied in vicinity of the notch tip. The stress is monitored along the notch front in order to describe the influence of free surface. Based on the stress distribution, crack initiation conditions can be estimated. Particularly, by means of 3D mod-els, we have studied whether a crack initiates in the middle of the specimen or near the free sur-face. Figure 1 shows geometry of sharp and bi-material notch. In the case of homogeneous notch, materials 1 and 2 are considered to be equal.

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

  • OECD FORD branch

    20306 - Audio engineering, reliability analysis

Result continuities

  • Project

    <a href="/en/project/GA20-00761S" target="_blank" >GA20-00761S: Influence of material properties of stainless steels on reliability of bridge structures</a><br>

  • Continuities

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

Others

  • Publication year

    2021

  • Confidentiality

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