Development and Application of Refractory Materials for Molten Aluminum Applications

Two new refractory materials have been developed for use in molten aluminum contact applications that exhibit improved corrosion and wear resistance leading to improved thermal management through reduced heat losses caused by refractory thinning and wastage. The development of these materials was ba...

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Veröffentlicht in:International Journal of Applied Ceramic Technology 2008-05, Vol.5 (3), p.265-277
Hauptverfasser: Hemrick, James G., Headrick, William L., Peters, Klaus-Markus
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container_issue 3
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container_title International Journal of Applied Ceramic Technology
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creator Hemrick, James G.
Headrick, William L.
Peters, Klaus-Markus
description Two new refractory materials have been developed for use in molten aluminum contact applications that exhibit improved corrosion and wear resistance leading to improved thermal management through reduced heat losses caused by refractory thinning and wastage. The development of these materials was based on an understanding of the corrosion and wear mechanisms associated with currently used aluminum contact refractories through physical, chemical, and mechanical characterization and analysis performed by Oak Ridge National Laboratory (ORNL) and the University of Missouri, Rolla Rolla (UMR), along with their industrial partners, under the ITP Materials project “Multifunctional Metallic and Refractory Materials for Energy Efficient Handling of Molten Metals.” Spent castable refractories obtained from a natural gas‐fired reverberatory aluminum alloy melting furnace were analyzed, leading to identification of several refractory degradation mechanisms and strategies to produce improved materials. The newly developed materials have been validated through an R&D industrial trial.
doi_str_mv 10.1111/j.1744-7402.2008.02213.x
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source Wiley Online Library Journals Frontfile Complete
subjects 03 NATURAL GAS
ALLOYS
ALUMINIUM
Aluminum
Aluminum-Silicon Carbide Composite
Bonite
CORROSION
FURNACES
HEAT LOSSES
MANAGEMENT
MANUFACTURERS
MELTING
NATURAL GAS
ORNL
REFRACTORIES
Refractory
WEAR RESISTANCE
title Development and Application of Refractory Materials for Molten Aluminum Applications
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