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In Situ Assessment of the Micromechanics of Large Scale Bridging in Ceramic Composites

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Recent Advances in Composite Materials

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Abstract

The macro- and micro-mechanics of Large Scale Bridging in SiC/MAS-L composites were assessed by means of tensile testing with in situ LRM probing of Double Edge Notch specimens. The macromechanical behaviour was analyzed in terms of bridging stresses. A dedicated Raman calibration curve was established for a fibre extracted from the composite; the curve served in the transformation of wavenumber shifts collected from bridging fibres in the composite to bridging strain. Bridging strain profiles were established along the notched ligament of the specimen and their shape was discussed in conjunction with local notch effects. The failure strain was not attained within the exposed length of the fibres but within the embedded length. The individual contributions of intact fibres and pull-out fibres were distinguished and discussed in the text.

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Author information

Authors and Affiliations

  1. Institute of Chemical Engineering and High Temperature Processes, Stadiou, Foundation for Research and Technology Hellas, Stadiou str., Platani, Patras, GR-265 00, Greece

    K. Dassios, C. Galiotis & V. Kostopoulos

  2. Department of Mechanical Engineering and Aeronautics, University of Patras, Rio, GR-265 00, Greece

    K. Dassios & V. Kostopoulos

  3. lnstitute for Energy, Joint Research Centre, European Commission, Westerduinweg 4, 1755 LE, Petten, Netherlands

    K. Dassios & M. Steen

  4. Department of Materials, University of Patras, Rio, GR-265 00, Greece

    C. Galiotis

Authors
  1. K. Dassios
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  2. C. Galiotis
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  3. V. Kostopoulos
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  4. M. Steen
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Editor information

Editors and Affiliations

  1. Democritus University of Thrace, Xanthi, Greece

    Emmanuel E. Gdoutos

  2. Hellenic Aerospace Industry, Schimatari, Greece

    Zaira P. Marioli-Riga

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© 2003 Springer Science+Business Media Dordrecht

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Dassios, K., Galiotis, C., Kostopoulos, V., Steen, M. (2003). In Situ Assessment of the Micromechanics of Large Scale Bridging in Ceramic Composites. In: Gdoutos, E.E., Marioli-Riga, Z.P. (eds) Recent Advances in Composite Materials. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2852-2_7

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  • DOI: https://doi.org/10.1007/978-94-017-2852-2_7

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-6294-9

  • Online ISBN: 978-94-017-2852-2

  • eBook Packages: Springer Book Archive

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