Startseite Modeling interfacial effects on the thermal conduction behavior of short fiber reinforced composites
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Modeling interfacial effects on the thermal conduction behavior of short fiber reinforced composites

  • Dominik Duschlbauer , Helmut J. Böhm und Heinz E. Pettermann
Veröffentlicht/Copyright: 11. Juni 2013
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 102 Heft 6

Abstract

A replacement scheme is explored which uses perfectly bonded ellipsoidal replacement inhomogeneities to model the thermal conduction behavior of non-ellipsoidal fiber-like inhomogeneities with imperfect interfaces. Replacement conductivity and dilute gradient concentration tensors are introduced and their numerical evaluation from single-inhomogeneity models is discussed. The replacement tensors are incorporated into orientation averaged and multi-inclusion Mori–Tanaka schemes to study the thermal conduction responses of composites reinforced by randomly oriented short fibers at non-dilute volume fractions. Results on the effective conductivities and the local fields in individual fibers are compared to predictions from numerical homogenization of unit cells containing periodic arrangements of randomly oriented short fibers in a matrix.

Keywords: Composites; Heat conduction; Interface; Modeling
* Correspondence address, Dr. Helmut J. Böhm Institute of Lightweight Design and Structural Biomechanics, Vienna University of Technology Gußhausstr. 27–29, A-1040 Vienna, Austria Tel.: +43 1 58801 31712 Fax: +43 1 58801 31799 E-mail:

Dedicated to Prof. F. D. Fischer on the occasion of his 70th birthday

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Received: 2010-12-16
Accepted: 2011-3-17
Published Online: 2013-06-11
Published in Print: 2011-06-01

© 2011, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.110515
Schlagwörter für diesen Artikel
Composites; Heat conduction; Interface; Modeling

Artikel in diesem Heft

  1. Original Contributions
  2. Microstructure and adhesion of as-deposited and annealed Cu/Ti films on polyimide
  3. On the origin of inhomogeneous stress and strain distributions in single-crystalline metallic nanoparticles
  4. Contents
  5. Contents
  6. Editorial
  7. Editorial June 2011
  8. IJMR's most downloaded papers
  9. Original Contributions
  10. An excursion into the design space of biomimetic architectured biphasic actuators
  11. Strategies for fracture toughness, strength and reliability optimisation of ceramic-ceramic laminates
  12. Fracture statistics of brittle materials at micro- and nano-scales
  13. Martensitic phase transformations of nanocrystalline NiTi shape memory alloys processed by repeated cold rolling
  14. Variational modeling of shape memory alloys – an overview
  15. Phase-field approach to martensitic phase transformations: Effect of martensite–martensite interface energy
  16. Modelling of diffusive and massive phase transformations in binary systems – thick interface parametric model
  17. On the strength of grain and phase boundaries in ferritic-martensitic dual-phase steels
  18. A micro-level strain analysis of a high-strength dual-phase steel
  19. Thermodynamic description of niobium-rich γ-TiAl alloys
  20. Phase transition and ordering behavior of ternary Ti–Al–Mo alloys using in-situ neutron diffraction
  21. Microstructure evolution and mechanical properties of an intermetallic Ti-43.5Al-4Nb-1Mo-0.1B alloy after ageing below the eutectoid temperature
  22. Investigation of Cu precipitation in bcc-Fe – Comparison of numerical analysis with experiment
  23. Modeling interfacial effects on the thermal conduction behavior of short fiber reinforced composites
  24. Electronic origin of structure and mechanical properties in Y and Nb alloyed Ti–Al–N thin films
  25. DGM News
  26. DGM News
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