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Microstructural characteristics and elevated temperature wear of Ti-11Si-16Al alloy

  • Yongzhong Zhan , Ying Wang , Jianbo Ma , Linbin He , Zhengwen Yu and Haofeng Xie
Published/Copyright: June 11, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 99 Issue 1

Abstract

The microstructural characteristics and elevated temperature wear behavior of a Ti-11Si-16Al alloy have been investigated, compared with the as-cast Al-free Ti – Si eutectic alloy. Experimental results show that addition of 16 at.% Al greatly modifies the microstructure by forming near-equiaxed Ti5Si3, rod-like Ti3Al and rosette-like eutectic cells distributing on a continuous α-Ti (Al, Si) solid solution phase. Therefore, mechanical properties such as Vickers' hardness, elastic modulus and strength are significantly improved. In-situ hot pressing and sintering of the hybrid oxide particles form a compact-and-hard glaze layer on the worn surface of the alloy. It has protective effects on the Ti-11Si-16Al specimen by relieving oxygen diffusion, alleviating rubbing of the counterpart and providing a solid lubricant effect with the hybrid oxide particles. This effectively improves the elevated temperature wear resistance and friction stability.

Keywords: Ti – Si – Al alloy; Microstructure; Elevated temperature; Wear behavior
* Correspondence address, Dr. Yongzhong Zhan Institute of Materials Science School of Physics Science Guangxi University, Nanning, Guangxi 530004, P. R. China, Tel.: +86 771 323 3530 E-mail:

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Received: 2007-1-31
Accepted: 2007-6-22
Published Online: 2013-06-11
Published in Print: 2008-01-01

© 2008, Carl Hanser Verlag, München

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  2. Contents
  3. Editorial
  4. Prof. Dr.-Ing. habil. Dr.-Ing. E. h. Werner Schatt zum 85. Geburtstag
  5. Basic
  6. In-situ reaction synthesis and decomposition of Ta2AlC
  7. A new theoretical equation for temperature dependent self-diffusion coefficients of pure liquid metals
  8. Thermodynamic characterization of liquid alloys with demixing tendency: Bi–Ga
  9. Space charge effects in confined ceramic systems
  10. Solute transport and phase composition in an Al–Mg–Si alloy solidified under conditions of forced flow
  11. Evidence of α → ω phase transition in titanium after high pressure torsion
  12. Thermodynamic properties and elastic constants of Nd–Mg intermetallics: a molecular dynamics study
  13. Microstructure, texture and mechanical properties of the magnesium alloy AZ31 processed by ECAP
  14. Applied
  15. Effect of solidification microstructure and Ca additions on creep strength of magnesium alloy AZ91 processed by Thixomolding
  16. Magnetic hardening mechanism of PrCo5-based ribbons with C addition prepared by melt spinning
  17. Studies on the exchange and dipolar couplings in Nd2Fe14B/α-Fe
  18. Microstructural characteristics and elevated temperature wear of Ti-11Si-16Al alloy
  19. Nickel coating on some organic and carbon fibres by chemical plating
  20. Wear and corrosion properties of nanocrystalline coatings on stainless steel produced by plasma electrolytic nitrocarburizing
  21. The characterisation of microstructural changes in rapidly solidified Al–Fe alloys through measurement of their electrical resistance
  22. Solid inclusion cakes formed during pressure filtration tests of liquid aluminum alloys
  23. Performance of Ni/YSZ cermet cathode prepared by mechanical alloying for high temperature electrolysis of water vapor (steam): effect of anode and cathode thicknesses on the efficiency of hydrogen production
  24. Review
  25. Practical aspects and implications of interfaces in glass-ceramics: a review
  26. Notifications
  27. DGM News
https://doi.org/10.3139/146.101602
Keywords for this article
Ti – Si – Al alloy; Microstructure; Elevated temperature; Wear behavior

Articles in the same Issue

  1. Contents
  2. Contents
  3. Editorial
  4. Prof. Dr.-Ing. habil. Dr.-Ing. E. h. Werner Schatt zum 85. Geburtstag
  5. Basic
  6. In-situ reaction synthesis and decomposition of Ta2AlC
  7. A new theoretical equation for temperature dependent self-diffusion coefficients of pure liquid metals
  8. Thermodynamic characterization of liquid alloys with demixing tendency: Bi–Ga
  9. Space charge effects in confined ceramic systems
  10. Solute transport and phase composition in an Al–Mg–Si alloy solidified under conditions of forced flow
  11. Evidence of α → ω phase transition in titanium after high pressure torsion
  12. Thermodynamic properties and elastic constants of Nd–Mg intermetallics: a molecular dynamics study
  13. Microstructure, texture and mechanical properties of the magnesium alloy AZ31 processed by ECAP
  14. Applied
  15. Effect of solidification microstructure and Ca additions on creep strength of magnesium alloy AZ91 processed by Thixomolding
  16. Magnetic hardening mechanism of PrCo5-based ribbons with C addition prepared by melt spinning
  17. Studies on the exchange and dipolar couplings in Nd2Fe14B/α-Fe
  18. Microstructural characteristics and elevated temperature wear of Ti-11Si-16Al alloy
  19. Nickel coating on some organic and carbon fibres by chemical plating
  20. Wear and corrosion properties of nanocrystalline coatings on stainless steel produced by plasma electrolytic nitrocarburizing
  21. The characterisation of microstructural changes in rapidly solidified Al–Fe alloys through measurement of their electrical resistance
  22. Solid inclusion cakes formed during pressure filtration tests of liquid aluminum alloys
  23. Performance of Ni/YSZ cermet cathode prepared by mechanical alloying for high temperature electrolysis of water vapor (steam): effect of anode and cathode thicknesses on the efficiency of hydrogen production
  24. Review
  25. Practical aspects and implications of interfaces in glass-ceramics: a review
  26. Notifications
  27. DGM News
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