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Nanoscale calcium aluminate coated graphite for improved performance of alumina based monolithic refractory composite
Published in PERGAMON-ELSEVIER SCIENCE LTD
2013
Volume: 48
   
Issue: 7
Pages: 2583 - 2588
Abstract
The synthesis and properties of high alumina castable containing nanostructured calcium aluminate coated graphite were studied in terms of slag resistance and overall physical characteristics. Raman spectroscopy, BET surface area and field emission scanning electron microscopy (FESEM) were performed to exclusively understand the coating characteristics and its compatibility in refractory composite. The coating not only secured graphite in castable for prolonged period but also noticeably improved matrix to aggregate contact. The microstructural aspects of castables were investigated, with special emphasis on a representative matrix prepared and infiltrated with slag at elevated temperature. Scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) of fired composite containing surface-treated graphite was quite prospective. It circumvented the problems of incorporating as-received graphite in castables and should be in the attention of refractory researchers and producers. © 2013 Elsevier Ltd. All rights reserved.
About the journal
JournalData powered by TypesetMaterials Research Bulletin
PublisherData powered by TypesetPERGAMON-ELSEVIER SCIENCE LTD
ISSN0025-5408
Open AccessNo