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Thermo-physical properties of silver/carbon fibre composites

Dedicated to Professor Dr. H.-P. Degischer on the occasion of his 65th birthday
  • Christian Edtmaier and Robert Christian Hula
Published/Copyright: May 18, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 101 Issue 9

Abstract

Silver matrix composites with short and long carbon fibres of high intrinsic thermal conductivity were fabricated either by liquid metal infiltration or electroless deposition of the Ag matrix and subsequent hot pressing. Active elements enhancing the bonding between inclusions and matrix were introduced by pre-conditioning the fibres thus to influence and improve the overall thermo-physical properties of the composites. The evolution of the composite thermal conductivity (κc) and the coefficient of thermal expansion (αc) as a function of the fibre volume fraction, fibre type, fibre length (fibre orientation) and the presence of active elements such as cobalt, molybdenum, nickel, tungsten and boron are presented in detail and compared with different analytical models.

Keywords: Carbon fibres; MMCs (metal matrix composites); Thermo-physical properties; Liquid metal infiltration; Hot pressing
∗ Correspondence address, Ass. Prof. Dr. Christian Edtmaier TU Wien, Institute for Chemical Technologies and Analytics Getreidemarkt 9/164-CT, Vienna, Austria Tel.: +43 1 58801 16135 Fax: +43 1 58801 16199 E-mail:

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Received: 2010-3-15
Accepted: 2010-5-28
Published Online: 2013-05-18
Published in Print: 2010-09-01

© 2010, Carl Hanser Verlag, München

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  5. Basic
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https://doi.org/10.3139/146.110384
Keywords for this article
Carbon fibres; MMCs (metal matrix composites); Thermo-physical properties; Liquid metal infiltration; Hot pressing

Articles in the same Issue

  1. Contents
  2. Contents
  3. Editorial
  4. Hans-Peter Degischer – 65th birthday
  5. Basic
  6. X-ray and neutron imaging – Complementary techniques for materials science and engineering
  7. Fast in-situ X-ray micro tomography characterisation of microstructural evolution and strain-induced damage in alloys at various temperatures
  8. Thermo-kinetic computer simulation of differential scanning calorimetry curves of AlMgSi alloys
  9. Influence of stacking fault energy and alloying on stage V hardening of HPT-deformed materials
  10. Thermo-physical properties of silver/carbon fibre composites
  11. Influence of reinforcement contiguity on the thermal expansion of alumina particle reinforced aluminium composites
  12. A continuum based microstructure model of inhomogeneous hardening and recovery as a pre-stage of recrystallization nucleation
  13. Applied
  14. Metal foams – towards microcellular materials
  15. Gigacycle fatigue response of tool steels produced by powder metallurgy compared to ingot metallurgy tool steels
  16. Characterization of the microstructure and damage mechanisms in a Ti6Al4V alloy modified with 1 wt.% B
  17. Structural and age hardening characteristics of near eutectic Al–Si alloys
  18. Stress-corrosion cracking susceptibility of AZ31 alloy after varied heat-treatment in 3.5 wt.% NaCl solution
  19. Tensile deformation behavior of AA5083-H111 at cold and warm temperatures
  20. Experimental investigation of thermal fatigue behaviour of header tube to stub welded joint in power plants
  21. Synthesis and characterization of nanostructured Cu/ZnO/Al2O3 from lyotropic liquid crystalline templates
  22. DGM News
  23. Personal
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