Effects of process variables on the multi-strand casting of high strength sub-millimetre metallic glass wire

Ayodele Olofinjana; J H Kern; H A Davies

doi:10.1016/j.jmatprotec.2004.04.204

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Effects of process variables on the multi-strand casting of high strength sub-millimetre metallic glass wire

Journal article

Peer reviewed

Effects of process variables on the multi-strand casting of high strength sub-millimetre metallic glass wire

Ayodele Olofinjana, J H Kern and H A Davies

Journal of Materials Processing Technology, Vol.155-156, pp.1344-1349

2004

DOI: https://doi.org/10.1016/j.jmatprotec.2004.04.204

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Abstract

Mechanical Engineering

Materials Engineering

Manufacturing Engineering

amorphous

multi-strand casting

wire casting

rapidly solidified

laser-drilled nozzle

The casting of amorphous iron-based wires of sub-millimetre diameters have been studied in a multiple jet casting condition. The effects of process parameters; melt jet to water velocity ratio (Î½r), melt super heat, nozzle diameter, nozzle clearance distance, and alloy composition on the stability of the melt jet and consequently on the quality of the wire has been studied. In order to increase the output rate, a multiple-nozzle crucible was designed for the casting process. Three nozzle designs were considered. It was found that when other cast variables were optimised, the nozzle types affected the flow and coherency of the jet. The best multi-nozzle crucible was made by using laser-drilled quartz platelets. The nozzle spacing did not affect the rapid cooling of the melt jet and thus the amorphous structures in the wires were retained for the closest spacing of 1 mm. It is demonstrated that the use of a multiple-nozzle crucible can effectively be used to increase by many folds the casting rate in the rotating water bath wire casting process.

Details

Title: Effects of process variables on the multi-strand casting of high strength sub-millimetre metallic glass wire
Authors: Ayodele Olofinjana (Author) - Universiti Brunei Darussalam, Brunei
J H Kern (Author) - University of Sheffield, United Kingdom
H A Davies (Author) - University of Sheffield, United Kingdom
Publication details: Journal of Materials Processing Technology, Vol.155-156, pp.1344-1349
Publisher: Elsevier S.A.
Date published: 2004
DOI: 10.1016/j.jmatprotec.2004.04.204
ISSN: 0924-0136
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99449092802621
Output Type: Journal article

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Web Of Science research areas: Engineering, Industrial; Engineering, Manufacturing; Materials Science, Multidisciplinary