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The effect of compressing pressure on the microstructure and properties of W-10 wt.% Cu composite

  • Meysam Ahangarkani , Saeid Borgi , Karim Zageneh-madar and Ziea Valefi
Published/Copyright: October 15, 2015
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 106 Issue 10

Abstract

The compressing pressure and microstructure and their relationship to mechanical and physical properties have been investigated in tungsten powder compacts infiltrated with copper. In this research, high pressure within the range of 250 to 550 MPa was used to produce high density green specimens (60–80%) by cold isostatic pressing while sintering was carried out in a hydrogen atmosphere. The tungsten skeletons were infiltrated with molten copper at 1300 °C. Scanning electron microscopy and tensile tests were conducted with due allowance for the participation of contiguity in microstructure. It was illustrated that the application of high compressing pressure has a direct influence on the tensile strength and conductivity. The measured tensile strength of prepared composites in this study was in the range of 400–640 MPa.

Keywords: W–Cu composite; Compressing pressure; Contiguity; Tensile strength
*Correspondence address, Meysam Ahangarkani, MSc, Malek-e-ashtar University of Technology, Lavizan, Tehran, Iran, Tel.: +982122945141-3, Fax: +982122945141, E-mail:

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Received: 2015-02-25
Accepted: 2015-06-05
Published Online: 2015-10-15
Published in Print: 2015-10-14

© 2015, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111279
Keywords for this article
W–Cu composite; Compressing pressure; Contiguity; Tensile strength

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. On the widths of the hysteresis of mechanically and thermally induced martensitic transformations in Ni–Ti-based shape memory alloys
  5. The effects of external compressive stress on the kinetics of low temperature bainitic transformation and microstructure in a superbainite steel
  6. The effect of compressing pressure on the microstructure and properties of W-10 wt.% Cu composite
  7. Simulation of dendritic growth of Al-4 wt.% Cu alloy from an undercooled melt
  8. Effects of contact pressure and sliding distance on the lubricated friction and wear properties of Zn-25Al-3Cu alloy: A comparative study with SAE 65 bronze
  9. Electrochemical behaviour of stainless steel in acidic fluoride media
  10. Quick fabrication of appropriate morphology and composition CoFe films with desirable microwave properties
  11. Piezo-absorbing effect of microwave absorbing composites with carbonyl iron particles as the filler
  12. Nanocomposite based on polyaniline emeraldine-base and α-Al2O3: A structural characterization
  13. Effect of Cr3C2 content on the microstructure and properties of Mo2NiB2-based cermets
  14. Short Contributions
  15. Damage mechanisms in aluminum-matrix composites reinforced with nano-alumina particles
  16. Synthesis of ultrafine powder of vanadium carbide V8C7 by microwave heating
  17. People
  18. Prof. Dr. Werner Skrotzki on the occasion of his 65th birthday
  19. DGM News
  20. DGM News
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