Update on the Use of Spherical Particles in NCC
Elkem Silicon Materials, Kristiansand/Norway
Revision
Volume 10, Issue 4, Pages 59 - 66
Abstract
Nocement castables have the last few years become increas ingly popular, particularly since the introduction of SioxX Zero (microsilicagel bond) and DAReS (Dry Advanced Refractory System) binder technologies. In parallel with the development of these binder systems, development of highly specialised raw materials has progressed, and the current paper focuses on the use of spherical alumina for nocement applications in general, and silicafree corundumspinel systems in particular.
Keywords
microalumina, spherical alumina
References
[1] Myhre, B.; Sunde, K.: Alumina based castables with very low contents of hydraulic compound. Part I: The effect of binder and particlesize distribution on fow and set. Proc. UNITECR´95, Kyoto, Japan, 19–22 Nov. 1995, II/309–316 [2] Myhre, B.: Particle shape and its significance for the rheology of refractory castables. Proc. ALAFAR 2012, Cancún, Mexico, 2012 [3] Myhre, B.; Peng, H.: Refractory gelbonded castables with reduced amount of water and higher fow. Proc. UNITECR’2015, Vienna, Austria, Sept. 2015 [4] Pagliosa, C.; Myhre, B.; Pandolfelli, V.C.: Dry advanced refractory system (DARES) technology: all in one alumina gel castable. Proc. 59th Int. Coll. on Refractories, Aachen, Germany, 28–29 Sept. 2016 [5] Myhre, B.; Peng, H.: Update of spherical particles in NCC. Proc. 54 Annual Symposium on Refractories. Amer. Ceram. Soc., 21–22 March 2018
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