Title

Prevention of Nozzle Clogging by the Reduction of Refractory Permeability

Abstract

A research effort sponsored by the Department of Energy (DOE) and several steel producers has examined the benefits of coating steel casting nozzles with various materials. Coatings were applied to casting simulation nozzles made from industrial tundish nozzles (primarily of magnesia) and industrial submerged entry nozzles (SENs) (primarily of alumina-graphite) in order to extend casting time prior to nozzle clogging. Nozzles were coated by air plasma spray (APS) using a 9M series APS system from Sulzer-Metco. The ability of these coatings to provide protection from clogging was evaluated using a steel casting simulation. Substrate-coating compatibility was characterised using optical microscopy and SEM.

Department(s)

Materials Science and Engineering

Keywords and Phrases

Aluminum Oxide; Magnesium Oxide; Permeability; Plasma Spraying; Spray Coating; Steel Making; Tundishes

Document Type

Article - Conference proceedings

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2004 Canadian Institute of Mining, Metallurgy, and Petroleum, All rights reserved.

This document is currently not available here.


Share

 
COinS