Wanderka, N and Radiguet, B and Sahoo, K L and Banhart, J (2007) Crystallization Behavior of Al87Ni5La7Zr1 Metallic Glass. Materials Science Forum, 539-543 . pp. 1917-1920.
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Abstract
Nano-crystalline-amorphous Al based alloys with minor additions of rare earth elements and transition metals are of technical interest, because of their extraordinary high mechanical strength. This strengthening effect depends strongly on the alloy composition and the pathway of crystallisation. The crystallisation behaviour of Al87Ni6La7 and of Al87Ni5La7Zr metallic glass was studied with complementary methods such as XRD, TEM and 3D-AP. The amorphous matrix of the Zr-containing glass shows fluctuations of all minor elements on the nanometer scale. It is suggested, that these fluctuations act as nucleation zones for the crystallization of the glass during annealing.
| Item Type: | Article |
|---|---|
| Official URL/DOI: | http://www.scientific.ne |
| Uncontrolled Keywords: | Aluminium based melt-spun ribbons, crystallization, Transmission electron microscopy (TEM), Three dimensional - Atom Probe (3D-AP) |
| Divisions: | Metal Extraction and Forming |
| ID Code: | 4586 |
| Deposited By: | Dr. A K Sahu |
| Deposited On: | 11 Jan 2012 09:54 |
| Last Modified: | 11 Jan 2012 09:54 |
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