Castable refractory concretes

Citation
We. Lee et al., Castable refractory concretes, INT MATER R, 46(3), 2001, pp. 145-167
Citations number
152
Language
INGLESE
art.tipo
Review
Categorie Soggetti
Material Science & Engineering
Journal title
INTERNATIONAL MATERIALS REVIEWS
ISSN journal
0950-6608 → ACNP
Volume
46
Issue
3
Year of publication
2001
Pages
145 - 167
Database
ISI
SICI code
0950-6608(2001)46:3<145:CRC>2.0.ZU;2-F
Abstract
Castable refractories containing calcium aluminate cement (CAC) are used ub iquitously in a range of furnace lining applications in the iron and steel, cement, glass, ceramic, and petrochemical industries. This review outlines their development from conventional high cement materials, through low cem ent and ultra-low cement castables to the present materials which may be en tirely free of CAC. Castables are defined in terms of both CaO content and installation procedure. Production routes, compositions, and microstructura l evolution on hydration, setting, dehydration, and firing are described fo r pure CACs and castable refractories. The development of the low cement sy stems is discussed in terms of particle packing, dispersion, and rheology h ighlighting the influence of colloidal matrix additions of silica and alumi na. Recent developments including cement free, self-flowing, shotcreting, a nd basic castables are described and the potential for carbon-containing sy stems evaluated. (C) 2001 IoM Communications Ltd and ASM International.