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Tribological and micro/nano-structural characterization of some Fe-based sintered composites

  • Violeta Merie , Marius Pustan , Corina Bîrleanu , Viorel Cândea and Cătălin Popa
Published/Copyright: August 11, 2014
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 105 Issue 8

Abstract

New iron-based composites were investigated for applications within the friction materials domain. This study presents the elaboration and the structural and tribological characterization of iron-based friction composites containing iron, copper, graphite and/or nickel, introduced in a powder state. The technology employed for obtaining these materials is via a classical powder metallurgy route. The porosity of the studied materials, the tribological characterization, the roughness of researched composites and their structure are marked out. Results showed that the samples elaborated from the material with 10 wt.% Cu, 7 wt.% graphite, 12 wt.% Ni and the rest iron, compacted at 600 MPa, presented the best tribological behavior. The presence of pearlite, ferrite, nickel-based and copper-based solid solutions and free graphite in composite structures is highlighted.

Keywords: Friction composite materials; Microstructure; Friction coefficient; Wear intensity; Roughness
* Correspondence address, Violeta Valentina Merie, Dr. Eng., Technical University of Cluj-Napoca, Faculty of Machine Building, Department of Mechanical Systems Engineering, 103 – 105 Muncii Avenue, 400641, Cluj-Napoca, Romania, Phone: +40 745047843, E-mail: ;

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Received: 2013-11-15
Accepted: 2014-02-25
Published Online: 2014-08-11
Published in Print: 2014-08-11

© 2014, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111084
Keywords for this article
Friction composite materials; Microstructure; Friction coefficient; Wear intensity; Roughness

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Microstructure evolution at high temperature of chromium-rich iron-based alloys containing hafnium carbides
  5. Industrialised nanocrystalline bainitic steels. Design approach
  6. Impact toughness of welds deposited on H13 hot work tool steel
  7. Characterization of hot flow behaviour and deformation stability of medium carbon microalloyed steel using artificial neural networks and dynamic material model
  8. Influence of hot working on mechanical and physical properties of an Fe – Ni – Co alloy
  9. Thixo-joining of D2 and M2 tool steels: analysis of microstructure and mechanical properties
  10. Effect of Li addition on microstructure and mechanical properties of Al – Mg – Si alloy
  11. Investigation of the mechanochemical behavior of the Mg – TiO2 – H3BO3 system
  12. Tribological and micro/nano-structural characterization of some Fe-based sintered composites
  13. Synthesis and oxidation behavior of Al4SiC4 – Al – Si composites
  14. Copper-catalyzed electroless nickel coating on poly(ethylene terephthalate) board for electromagnetic application
  15. Effect of boron on wear and erosion of WC – Ni vacuum brazed coating
  16. Short Communications
  17. Crystalline boron carbide grown on a diamond surface
  18. People
  19. Prof. Dr. Dieter Herlach on the occasion of his 65th birthday
  20. DGM News
  21. DGM News
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