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Effect of Fe and V additions on amorphous structure formation in melt spun AlNiZr alloys

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Published/Copyright: June 11, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 103 Issue 9

Abstract

An aluminum-based AlNiZr ternary alloy containing 11 at.% Ni and 5 at.% Zr was modified by substitution of 5% of nickel by either iron or vanadium. Melt spun ribbons were cast under a protective helium atmosphere from 99.9% pure elements at 35 m s−1 linear rate of the copper wheel of the melt spinner. X-ray diffraction studies confirmed that most of the volume of all cast ribbons is amorphous showing a broad amorphous halo, however all alloys have shown a small amount of crystalline α(Al) solid solution. The same phase was identified in quaternary alloys. The ribbons showed high microhardness near 500 HV. Transmission electron microscopy studies enabled identification of a large number of spherical crystals of α(Al) solid solution of size near 200 nm in AlNiZr ribbons, containing less solute elements than the amorphous phase. In alloys with iron and vanadium additions crystallites were larger in the form of discontinuous lamellar precipitates. Differential scanning calorimetric studies enabled identification of a multistage crystallization mechanism and the additions of iron and vanadium caused an increase in crystallization temperatures as compared to ternary AlNiZr alloy

Keywords: AlNiZr; AlNiZrV; AlNiZrFe aluminum-based alloys; Amorphous alloys; Melt spun ribbons
2 Correspondence address: Professor dr hab. Jan Dutkiewicz, ul. Reymonta 25 30-059 Kraków, Poland, Tel.: 48/12/6374200, Fax: 48/12/6372192, E-mail:

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Received: 2011-11-17
Accepted: 2012-3-5
Published Online: 2013-06-11
Published in Print: 2012-09-01

© 2012, Carl Hanser Verlag, Munich

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  7. Cooling conditions for the generation of bulk metallic glasses by droplet deposition
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  11. Mechanical behavior of the cold-rolled Zr57Ti8Nb2.5Cu13.9Ni11.1Al7.5 metallic glass–quasicrystalline composite
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https://doi.org/10.3139/146.110780
Keywords for this article
AlNiZr; AlNiZrV; AlNiZrFe aluminum-based alloys; Amorphous alloys; Melt spun ribbons

Articles in the same Issue

  1. Contents
  2. Contents
  3. Editorial
  4. RQ 14 – “Rapidly Quenched and Metastable Materials”
  5. Conference Proceedings
  6. Crystallization control in highly undercooled liquids and glasses
  7. Cooling conditions for the generation of bulk metallic glasses by droplet deposition
  8. Formation and microstructure of Ni62-xNb38Tix (x = 3, 6, 10 at.%) bulk metallic glasses
  9. Compositional features of bulk metallic glasses analyzed with a tetrahedral composition diagram from s-, p-, d- and f-blocks
  10. A partial structure factor investigation of the bulk metallic glass Zr63Ni25Al12 as studied by using a combination of anomalous X-ray scattering and reverse Monte Carlo modeling
  11. Mechanical behavior of the cold-rolled Zr57Ti8Nb2.5Cu13.9Ni11.1Al7.5 metallic glass–quasicrystalline composite
  12. Effect of rapid quenching and severe plastic deformation on silver
  13. Effect of Fe and V additions on amorphous structure formation in melt spun AlNiZr alloys
  14. Processing and characterization of mechanically alloyed immiscible metals
  15. Milling-induced polymorphic transformation in MoSi2
  16. Attainment of quasicrystalline phase in Al–Cu–Fe alloy via melting and mechanical alloying
  17. Characterization of amorphous Nb oxide and its influence on Mg hydrogen sorption
  18. Mechanochemistry and H-sorption properties of Mg2FeH6-based nanocomposites
  19. Rapidly solidified Fe-base alloys as electrode materials for water electrolysis
  20. Solidification of PTA aluminide coatings
  21. Superparamagnetic CoFe2O4 prepared via a modified oxalate method
  22. People
  23. Dr. Wolfgang Hoffelner
  24. Prof. Dr. Herbert Ipser
  25. DGM News
  26. DGM News
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