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The comparison of mechanical behavior of MgO-MgAl2O4 with MgO-ZrO2 and MgO-MgAl2O4-ZrSiO4 composite refractories
Ceylantekin, Rasim; Aksel, Cemail (Elsevier Sci LTD, 2012)Mechanical properties of different compositions obtained from the additions of 5, 10, 20 and 30 wt.% zircon (ZrSiO4) into the MgO-spinel composite refractories and ZrO2 into MgO have been examined, the variations that ... -
Corrosion behavior of MgO-MgAl2O4-FeAl2O4 composite refractory materials
Bahtlı, Tuba (Aksoy); Aksel, Cemail; Kavas, Taner (Australian Ceramic Society, 2017)This paper investigated the corrosion behavior of refractory materials that were produced by incorporating hercynite (FeAl2O4, H) at different ratios into MgO-MgAl2O4 (spinel, S). Meanwhile, the values of density and open ... -
The corrosion resistance of alumina-mullite-zircon refractories in molten glass
Aksel, Cemail; Riley, FL; Konieczny, F (Trans Tech Publications LTD, 2004)Corrosion measurements on a set of alumina-mullite-zircon refractories have been carried out using a static crucible test consisting of a "hole in a block". Rates of corrosion of the refractory at 1370 degreesC for 72 h ... -
Developments on the mechanical properties of MgO-MgAl2O4 composite refractories by ZrSiO4-3 mol% Y2O3 addition
Şahin, Barış; Aksel, Cemail (Elsevier Sci LTD, 2012)Improvements and the effects of additions of ZrSiO4-3 mol% Y2O3 into MgO-MgAl2O4 composite refractories on mechanical properties and thermal stress resistance parameters were investigated. Significant improvements were ... -
The effect of mullite on the mechanical properties and thermal shock behaviour of alumina-mullite refractory materials
Aksel, Cemail (Elsevier Sci LTD, 2003)Mechanical properties and thermal shock behaviour of slip-cast alumina-mullite refractories have been investigated. There was a marked improvement in strength, Young's modulus and fracture toughness values with the addition ... -
The effect of SnO2 on the improvement of mechanical properties of MgO-MgAl2O4 composites
Uğur, Pınar; Aksel, Cemail (Elsevier Sci LTD, 2012)Incorporation of SnO2 into MgO-spinel (M-S) increased mechanical properties significantly. Relationships between the parameters improving mechanical properties and microstructural variables were examined. Basic parameters ... -
Effect of the particle size distribution of spinel on the mechanical properties and thermal shock performance of MgO-spinel composites
Aksel, Cemail; Riley, FL (Elsevier Sci LTD, 2003)The influence of varying the amounts of spinel with a similar median particle size, but with different distribution, on the mechanical properties and thermal shock performance of MgO-spinel composites was investigated. ... -
Effect of ZrSiO4 on the corrosion behavior of MgO-FeAl2O4 composite refractory materials
Bahtlı, Tuba; Aksel, Cemail; Kavas, Taner (Carl Hanser Verlag, 2016)In this study, the corrosion behavior of refractory materials that were produced by incorporating ZrSiO4 (zircon) at different ratios into MgO-FeAl2O4 (hercynite) were investigated. The values of density and open porosity ... -
Eskişehir Kızılcaören yöresindeki zenginleştirilmiş nadir toprak elementlerinin SİA1ON esaslı malzemelerde kullanım imkanın araştırılması
Kalemtaş, Ayşe (Anadolu Üniversitesi, 2002)Bu çalışmada Eskişehir Kızılcaören yöresi zenginleştirilmiş nadir toprak elementi kanşımının b-SiAION, oksinitrür cam ve cam seramik üretiminde kullamm potansiyeli araştınlmıştır. b-SiAION numuneleri içerdiği yüksek La ... -
Fracture behaviour of magnesia and magnesia-spinel composites before and after thermal shock
Aksel, Cemail; Warren, PD; Riley, FL (Elsevier Sci LTD, 2004)Microstructural changes, as a consequence of the thermal expansion mismatch between magnesia and spinel phases, and fracture behaviour of magnesia and spinel composites have been investigated as a function of spinel content ... -
Improvements on corrosion behaviours of MgO-spinel composite refractories by addition of ZrSiO4
Ceylantekin, Rasim; Aksel, Cemail (Elsevier Sci LTD, 2012)Corrosion behaviours of MgO-spinel-ZrSiO4 compositions were investigated. The influence of corrosion resistance based on the microstructural changes occurred due to the solubilities of constituents in corroded regions was ... -
Improvements on the mechanical properties and thermal shock behaviours of MgO-spinel composite refractories by ZrO2 incorporation
Ceylantekin, Rasim; Aksel, Cemail (Elsevier Sci LTD, 2012)Microstructural features and improvements on the mechanical properties and thermal shock behaviours of MgO-spinel composite refractories with ZrO2 addition were examined. ZrO2 incorporation into MgO-spinel led to improvements ... -
Improvements on the thermal shock behaviour of MgO-spinel composite refractories by incorporation of zircon-3 mol% Y2O3
Aksel, Cemail; Aksoy, Tuba (Elsevier Sci LTD, 2012)The effects of incorporations of zircon-3 mol% Y2O3 (Y) into MgO-spinel (M S) compositions to improve mechanical properties and thermal shock behaviour were investigated. Mechanical properties were measured, R R parameters ... -
The influence of fine alumina particles on the mechanical properties and thermal shock behaviour of slip-cast alumina-mullite refractories
Aksel, Cemail (Trans Tech Publications LTD, 2004)The object of this work is to improve understanding of relationships between microstructure and those mechanical properties likely to affect thermal shock behaviour of slip-cast alumina-mullite refractories. The incorporation ... -
The influence of zircon in a model aluminosilicate glass tank forehearth refractory
Aksel, Cemail; Dexet, M; Logen, N; Porte, F; Riley, FL; Konieczny, F (Elsevier Sci LTD, 2003)Standard aluminosilicate forehearth refractories are normally fabricated with a small proportion of zircon to improve their performance. To identify possible bases for the action of the zircon, fine-grain aluminosilicate ... -
The influence of zircon on the mechanical properties and thermal shock behaviour of slip-cast alumina-mullite refractories
Aksel, Cemail (Elsevier Science BV, 2002)Mechanical properties of slip-cast alumina-mullite (AM) refractories were improved significantly by the addition of similar to 2-mu-m zircon (ZrSiO4) particles. Fracture behaviour showed mainly transgranular, with some ... -
Investigation of parameters affecting formation of mullite from kaolin
Aksel, Cemail; Kalemtaş, Ayşe (Trans Tech Publications LTD, 2004)This study aims to improve the understanding of formation of mullite from kaolin at low process temperature using different sintering regimes. The optimum parameters affecting mullite formation from kaolin such as sintering ... -
Investigation of parameters affecting grain growth of sintered magnesite refractories
Aksel, Cemail; Kasap, F; Sesver, A (Elsevier Sci LTD, 2005)The parameters influencing grain size of sintered magnesite such as temperature (1700 and 1800degreesC), time (19 and 50 min), cooling rate (5, 10 and 25degreesC min(-1)) and various particle size (-3; +3,-5; +5,-8; +8,-10 ... -
Investigation of the Improvements on Mechanical Properties and Thermal Performance of MgO-MgAl2O4 Composite Refractories by Additions of ZnO-Al2O3 to MgO
Aksel, Cemail (Trans Tech Publications LTD, 2012)The variations and developments with the reasons on the mechanical properties of MgO-MgAl2O4 and MgO-ZnO-Al2O3 composite refractories were examined and thermal parameters affecting the durability of composites at high ...
