Startseite Technik Production of aluminum nano-composite reinforced by tungsten carbide particles via mechanical milling and subsequent hot pressing
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Production of aluminum nano-composite reinforced by tungsten carbide particles via mechanical milling and subsequent hot pressing

  • Mansour Razavi und Iman Mobasherpour
Veröffentlicht/Copyright: 17. November 2014
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 105 Heft 11

Abstract

Mixtures of 5, 10, 20 and 30 wt.% of tungsten carbide powder and 7075 aluminum alloy powder were ball milled for 20 hrs to investigate the effect of percentages of the reinforcement on microstructural and mechanical properties of the produced composite. The milled powders were sintered in a hot press and analyzed using X-ray diffraction. The microstructure, physical and mechanical properties of the specimens were studied. Results showed that the milling process synthesized Al–WC composite powders in which crystallite sizes of the produced phases were in the nano-scale regime. Although the higher amounts of tungsten carbide increased bulk density of the sintered samples, the apparent density decreased. The increase in the amount of the tungsten carbide phase increased effectively the hardness of the sintered specimens, however, the ultimate tensile strengths showed an maximum value at 20 wt.% of the reinforcement phase.

Keywords: Nano-composite; Tungsten carbide; Milling; Hot pressing
* Mansour Razavi, Department of Ceramic, Materials and Energy Research Center (MERC), P.O. Box 14155-4777, Tehran, Iran. Tel.: +98 26 36204131, Fax: +98 26 36201888, E-mail:

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Received: 2014-03-23
Accepted: 2014-05-27
Published Online: 2014-11-17
Published in Print: 2014-11-10

© 2014, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Original Contributions
  4. Thermodynamic description of the Ta–W–Zr system
  5. Interrelationships of defects, nitride modification and excess nitrogen in nitrided Fe-4.75 at.% Al alloy
  6. Effects of rotating magnetic and ultrasonic fields on the microstructure and mechanical properties of Al-8 wt.%Si alloy
  7. Microstructural control of Ti-46Al-7Nb-0.7Cr-0.2Ni-0.1Si alloy by heat treatment
  8. Structure and mechanical properties of Zn-(5–25) Al alloys
  9. Hot ductility behavior of near-alpha titanium alloy IMI834
  10. The effect of nano-SiO2 on magnetic and dielectric properties of Li–Zn ferrite
  11. Production of aluminum nano-composite reinforced by tungsten carbide particles via mechanical milling and subsequent hot pressing
  12. Short Communications
  13. Microstructure and texture evolution of Mg–Li alloy during rolling
  14. Microstructure and mechanical properties of Ti2AlC-reinforced TiAl composites
  15. Thermal fatigue behavior of cast superalloy Inconel 713LC
  16. Study of structural, morphological and optical properties of S and Cu co-doped SnO2 nanostructured thin films prepared by spray pyrolysis
  17. Synthesis and characterization of zirconium nitride coatings by cathodic arc sputtering technique
  18. Plasmon enhanced scattering and fluorescence in amorphous matrix
  19. Novel preparation of a porous composite insulating scaffold from forsterite and sodium carbonate media
  20. People
  21. Werner Mader, 65 years
  22. DGM News
  23. DGM News
https://doi.org/10.3139/146.111126
Schlagwörter für diesen Artikel
Nano-composite; Tungsten carbide; Milling; Hot pressing

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Original Contributions
  4. Thermodynamic description of the Ta–W–Zr system
  5. Interrelationships of defects, nitride modification and excess nitrogen in nitrided Fe-4.75 at.% Al alloy
  6. Effects of rotating magnetic and ultrasonic fields on the microstructure and mechanical properties of Al-8 wt.%Si alloy
  7. Microstructural control of Ti-46Al-7Nb-0.7Cr-0.2Ni-0.1Si alloy by heat treatment
  8. Structure and mechanical properties of Zn-(5–25) Al alloys
  9. Hot ductility behavior of near-alpha titanium alloy IMI834
  10. The effect of nano-SiO2 on magnetic and dielectric properties of Li–Zn ferrite
  11. Production of aluminum nano-composite reinforced by tungsten carbide particles via mechanical milling and subsequent hot pressing
  12. Short Communications
  13. Microstructure and texture evolution of Mg–Li alloy during rolling
  14. Microstructure and mechanical properties of Ti2AlC-reinforced TiAl composites
  15. Thermal fatigue behavior of cast superalloy Inconel 713LC
  16. Study of structural, morphological and optical properties of S and Cu co-doped SnO2 nanostructured thin films prepared by spray pyrolysis
  17. Synthesis and characterization of zirconium nitride coatings by cathodic arc sputtering technique
  18. Plasmon enhanced scattering and fluorescence in amorphous matrix
  19. Novel preparation of a porous composite insulating scaffold from forsterite and sodium carbonate media
  20. People
  21. Werner Mader, 65 years
  22. DGM News
  23. DGM News
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