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Metals 2015, 5(2), 1029-1044; doi:10.3390/met5021029

On the Stability of the Melt Jet Stream during Casting of Metallic Glass Wires

School of Science and Engineering, University of the Sunshine Coast, Maroochydore DC, QLD 4558, Australia
Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, BE1410, Brunei Darussalam
Author to whom correspondence should be addressed.
Academic Editors: K. C. Chan and Jordi Sort Viñas
Received: 19 May 2015 / Revised: 31 May 2015 / Accepted: 2 June 2015 / Published: 8 June 2015
(This article belongs to the Special Issue Metallic Glasses)
View Full-Text   |   Download PDF [514 KB, uploaded 8 June 2015]   |  


The factors that affect the stability of the melt stream during the casting of wire directly from the melt have been investigated. It is shown that the criticality of process parameters centres mostly on the forces imposed on the melt stream at confluence with the cooling water. The analysis of these forces indicated that the shear component of the disturbance is dependent on the ratio of the velocity of the melt stream (vm) to that of the cooling water (vw) in accord with results obtained from previous experiments. The role of oxide-forming elements in widening the process parameters range is attributed to the increased stability of the melt stream due to the additional shear force resistance offered by the solid oxide layer. The roles of Cr and Si oxides in stabilising the melt stream are confirmed by X-ray photoelectron spectroscopy (XPS) of wire indicating the presence of these oxides on fresh as-cast wires. Melt superheat and nozzle clearance distance are not strictly stream stability factors, but rather their role in glass formation prescribes optimal limits for fully amorphous wire. View Full-Text
Keywords: metallic glass; amorphous alloy; wire casting; multi–strand casting; jet stability metallic glass; amorphous alloy; wire casting; multi–strand casting; jet stability

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Olofinjana, A.; Voo, N.Y. On the Stability of the Melt Jet Stream during Casting of Metallic Glass Wires. Metals 2015, 5, 1029-1044.

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