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Fabrication and Characterization of Slag Fiber by Melt Extraction

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Abstract:

The influence of wheel speed and melt temperature on the surface characteristics of slag fibers were examined in mineral fibers synthesized from the steel-making slag, using a modified melt extraction method, i.e. melt spinning. The synthesized fibers were characterized by optical microscope and scanning electron microscopy. It was found that the wheel speed of 700 rpm generated better quality of mineral fibers in terms of diameter and length. This was attributed to the relative extent of contact width between the flowing melt and the rotating wheel. The thickness of the slag fibers were also decreased with increasing the slag melt temperature due mainly to significant decrease in the viscosity of the slag melt. In addition, the lower melt temperature caused an increase in number of shots plus the mineral fibers.

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Periodical:

Materials Science Forum (Volumes 544-545)

Pages:

499-502

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.544-545.499

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Online since:

May 2007

Authors:

Yeong Hwan Song, Hwan Goo Seong, Soo Han Park, Duck Kyu Ahn, Chang Hwan Seo, Bo Young Hur

Keywords:

Blaster Furnace Slag Fiber, Fiber, Melt Extract Method, Rock Wool

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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