Rheology of High Performance Alumina and Spinel Castables
Keywords alumina and spinel castables workability rheology Fig. 1 Flow behaviours of suspensions 1 viscosity as function of the shear rate Shear-thickening (dilatant) Newtonian Shear-thinning The intention of this paper is not to suggest reactive alumina as the only solution for the design of high performance castables with good flowability.
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(PDF) High-Alumina Multifunctional Refractory Castables
The mechanical properties of zero-cement self-flow high-alumina castables are investigated. Such properties include mechanical strength and creep behavior. These properties relate to the physical
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(PDF) High-alumina self-flow castable with different
A high-alumina self-flow castable was developed with a distribution coefficient q=0.21 (Dinger-Funk s continuous particle size distribution model) using two different types of high-alumina cements
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Properties of alumina based low-cement self flowing
The main aspects that determine flowing properties of self flowing alumina based low-cement castables are determined. From the point of view of particle size distribution different particle size distributions are compared by using Andreassen model according to n -value.
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The Investigation Of Alumina Based Low-cement Self Flowing
Especially self flowing castable refractories which don t need any mechanical effect have important role in industry. In this thesis the properties of alumina based low cement self flowing castables are investigated. This thesis contains theory and experiment parts.
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(PDF) High alumina self flow castable with different binders
Jan 01 2012 · The present work is designed to compare. these two binders namely high alumina ce-. ment and silica sol at different percentages. in a high alumina self-flow castable with a.
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IMPACT OF DISPERSANTS ON THE MECHANICAL STRENGTH
Hence alumina-spinel self-flowing castables have been used as steel ladle lining below the slag line because of increasing labor costs and the severe secondary steel-
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BEHAVIOUR OF ALUMINA-SPINEL SELF-FLOWING CASTABLES
The purpose of this study is to determine the influence of nano-alumina particles on the self-flow characteristics of alumina-spinel self-flowing castables. For this reason the self-flow characteristics such as self-flow value and working time of the alumina-spinel castables with different amount of nano-alumina particles have been studied.
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Self-flowing high-alumina phosphate-bonded refractory
Jun 01 2017 · This study addresses the development of high-alumina self-flowing castables bonded with H3 PO 4 solution (48 wt concentration) or a mixture of phosphoric acid and monoaluminum phosphate (MAP) solutions using MgO as a setting agent. Two polyphosphates (Budit 3H and 6H) and citric acid were evaluated as dispersant additives for these castables.
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Properties of alumina based low-cement self flowing
Jan 01 2007 · Fig. 6 shows the effect of calcined alumina on the flow behaviour of the self flowing castable. Calcined alumina increases the flow diameter but as mentioned above as this type of material is added to the system more the flocculation starts to occur. Download
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