Journal ArticleDOI
Formation and crystallization of Al-Fe-Si amorphous alloys
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In this article, rapid solidification experiments of Al-based Al-Fe-Si ternary alloys have been performed both by the gun and single roller methods and the glass forming tendency is found to be largest near the β-phase (Al9Fe2Si2) composition.Abstract:
Rapid solidification experiments of Al-based Al-Fe-Si ternary alloys have been performed both by the gun and single roller methods. Glass forming tendency is found to be largest near theβ-phase (Al9Fe2Si2) composition, where the amorphous state is obtained both by the gun and single roller methods. Crystallization behaviour of amorphous AlFe13.0Si17.4 alloy, nearβ-phase composition, followed the course of (i) the appearance of fineα-Al particles and (ii) the transformation of the matrix intoβ-phase. The ratio of crystallization temperature and the melting point,T
x/T
m, for AlFe13.0Si217.4 amorphous alloy is smaller than 0.5 indicating the difficulty of glass formation of these alloys.read more
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Amorphous, nanoquasicrystalline and nanocrystalline alloys in Al-based systems
Journal ArticleDOI
Synthesis and Properties of Metallic Glasses That Contain Aluminum
Y. He,S. J. Poon,Gary J. Shiflet +2 more
TL;DR: The synthesis and properties of a class of metallic glasses containing up to 90 atomic percent aluminum are reported and the unusual formability of the glasses and their structural features are pointed out.
Journal ArticleDOI
Rapid solidification processing with specific application to aluminium alloys
TL;DR: In this article, the fundamental scientific principles underlying RST are discussed and particular emphasis is given to published studies of composition-processing-microstruc... In this paper, we focus on the application of rapid solidification as a means of improving the behaviour of existing alloy systems and also developing novel alloying compositions.
Journal ArticleDOI
Corrosion and related mechanical properties of bulk metallic glasses
TL;DR: In this article, a review of corrosion performance of a number of alloy systems documents several metallic glasses with corrosion resistance superior to that of crystalline metals, but the metallic glasses do not have superior corrosion resistance.
Journal ArticleDOI
A quasicrystal structure model for AI-Mn
P. Guyot,Marc Audier +1 more
TL;DR: In this paper, a model for the atomic structure of the Al-Mn quasicrystal is proposed, where icosahedral symmetry and its projections onto various planes have a self-similarity property based on the golden number, in agreement with TEM results.
References
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Journal ArticleDOI
Kristallisation und entmischung amorpher aluminium-germanium-schichten
TL;DR: In this paper, the authors propose a mechanism for the eutektoiden Zerfall in the Gleichgewichtsphasen of Aluminium and Germanium, which is gekennzeichnet durch das Auftreten einer Aluminium-Schicht.
Journal ArticleDOI
Some aspects of splat-quenching in an inert atmosphere and of the formation of non-crystalline phases in Al-17.3 at. % Cu, germanium and tellurium
H. A. Davies,J. B. Hull +1 more
TL;DR: In this paper, an apparatus for splat-quenching by the gun technique in a sealed, inert atmosphere is described, with particular reference to the atomized droplet size and the effective specimen thickness for heat transfer.
Journal ArticleDOI
A generalised kinetic approach to metallic glass formation
H.A. Davies,B.G. Lewis +1 more
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