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Fracture Mechanics in Lightweight Design

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Encyclopedia of Continuum Mechanics

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Synonyms

Brittle fracture; Cracks; Crack growth; Failure assessment; Failure assessment diagram (FAD); Fatigue; Linear elastic fracture mechanics (LEFM)

Definition

On the one hand, the appearance of cracks and crack-like flaws should not be excluded, even if the structure is carefully manufactured and assembled. This is because sometimes yet very small cracks may be the origin for structural failure, particularly when the structure is dynamically loaded. On the other hand, the appearance of cracks is not per se a reason for repair measures or replacement of the respected structural component. Thus, it is important to have methods for evaluating the risk of failure, when a crack in a lightweight structure is detected.

Normally, lightweight structures are thin walled. Therefore, cracks appearing in typical lightweight structures are through-cracks, i.e., cracks which penetrate the wall thickness completely (through-cracks), either from edges or boundaries of holes (edge cracks), or they...

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Author information

Authors and Affiliations

  1. Institute of Lightweight Design and Structural Biomechanics, TU Wien, Vienna, Austria

    Franz G. Rammerstorfer & Isabella C. Skrna-Jakl

Authors
  1. Franz G. Rammerstorfer
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  2. Isabella C. Skrna-Jakl
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Corresponding author

Correspondence to Franz G. Rammerstorfer .

Editor information

Editors and Affiliations

  1. Institut für Mechanik, Otto-von-Guericke-Universität Institut für Mechanik, Magdeburg, Germany

    Holm Altenbach

  2. Griffith University (Gold Coast Campus), Griffith School of Engineering Griffith University (Gold Coast Campus), Southport, QLD, Australia

    Andreas Öchsner

Section Editor information

  1. Institut für Leichtbau und Struktur-Biomechanik, TU Wien, Wien, Austria

    Franz G. Rammerstorfer

  2. Institut für Leichtbau und Struktur-Biomechanik, TU Wien, Wien, Austria

    Melanie Todt

  3. Institut für Leichtbau und Struktur-Biomechanik, TU Wien, Wien, Austria

    Isabella C. Skrna-Jakl

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Rammerstorfer, F.G., Skrna-Jakl, I.C. (2018). Fracture Mechanics in Lightweight Design. In: Altenbach, H., Öchsner, A. (eds) Encyclopedia of Continuum Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-53605-6_5-1

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  • DOI: https://doi.org/10.1007/978-3-662-53605-6_5-1

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-662-53605-6

  • Online ISBN: 978-3-662-53605-6

  • eBook Packages: Springer Reference EngineeringReference Module Computer Science and Engineering

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