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Meccanica
Erschienen in: Meccanica 10/2016

19.01.2016

Fracture properties of graphite materials and analysis of crack growth under bending conditions

verfasst von: E. V. Lomakin, M. P. Tretyakov

Erschienen in: Meccanica | Ausgabe 10/2016

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Abstract

The elastic and strength properties of different grades of graphite materials as well as their fracture toughness properties are studied. The method for the determination of crack length and the values of fracture toughness characteristics of materials during stable equilibrium crack growth under bending conditions is considered. The unstable or non-equilibrium crack growth from short initial crack is observed in experiments, and corresponding theoretical explanation is given. The process of unstable crack growth is analyzed for different loading conditions. It has been shown that in the cases of short cracks, some part of stored energy transforms into kinetic energy, which can be described by the equation of energy balance during unstable crack growth.
Vorheriger Artikel Macroscopic description of capillary transport of liquid and gas in unsaturated porous materials
Nächster Artikel A dynamic closure criterion for central defects in heavy plate during hot rolling

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Fußnoten
1
State Research Institute of Graphite-Based Structural Materials, Moscow.
 
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Metadaten
Titel
Fracture properties of graphite materials and analysis of crack growth under bending conditions
verfasst von
E. V. Lomakin
M. P. Tretyakov
Publikationsdatum
19.01.2016
Verlag
Springer Netherlands
Erschienen in
Meccanica / Ausgabe 10/2016
Print ISSN: 0025-6455
Elektronische ISSN: 1572-9648
DOI
https://doi.org/10.1007/s11012-016-0370-x

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