Yazar "Aksel, Cemail" için listeleme
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Magnesia-spinel microcomposites
Aksel, Cemail; Warren, PD; Riley, FL (Elsevier Sci LTD, 2004)This study used a model system of fully dense high purity MgO, incorporating micron size spinel prepared by hot-pressing. Spinel powder was obtained from two sources: (i) 0.5 mum alumina powder was incorporated into MgO ... -
Mechanical properties and thermal shock behaviour of alumina-mullite-zirconia and alumina-mullite refractory materials by slip casting
Aksel, Cemail (Elsevier Sci LTD, 2003)Strength and modulus values of slip-cast alumina-mullite-zirconia and alumina-mullite refractories have been determined as a function of quench temperature by air and water quenching. The resistance to fracture initiation ... -
Mechanical properties and thermal shock behaviour of model MgO-MgAl 2O4 spinel composite refractories
Aksel, Cemail; Riley, F. L.; Warren, P. D.; Rand, B. (2006)The effects of varying the amounts (5 to 30 wt%) and particle sizes of magnesium aluminate spinel (i.e. preformed and in-situ formed) incorporated in a fully dense MgO, were investigated. Mechanical properties were measured ... -
Mechanical properties of alumina-mullite-zircon refractories
Aksel, Cemail (Trans Tech Publications LTD, 2004)The relationships between mechanical properties and microstructure of alumina-mullite-zircon refractories were investigated by varying zircon content. Various sintering temperatures were used for the slip-cast refractories ... -
Mechanical properties of magnesia-spinel composites
Aksel, Cemail; Rand, B.; Riley, F. L.; Warren, P. D. (2002)A set of dense magnesia-magnesium aluminate spinel composites has been prepared by hot-pressing magnesia powder using 0 to 30 wt.% of spinel powder of mean particle size 3, 11 and 22 µm. Bend stength, modulus, and fracture ... -
MgO-Spinel Kompozit Refrakterlere Zrsio₄ İlavesinin Korozyon Davranışına Etkisi
Ceylantekin, Rasim; Aksel, Cemail (Anadolu Üniversitesi, 2010)ZrSiO₄’un farklı miktarlarda MgO-spinel’e ilavesiyle elde edilen kompozit refrakterlerin korozyon davranışı incelenmiştir. Yoğunluk ve gözenek değerleri ölçülmüştür. Refrakterlerin çimento klinkeri ile etkileşimini belirlemek ... -
Microstructural Characterisation and Investigation of the Effects of ZrSiO4-Y2O3 Additions on Corrosion Behaviour of MgO-Spinel Composite Refractories
Aksel, Cemail; Aksoy, Tuba (Trans Tech Publications LTD, 2012)Corrosion resistance of MgO-Spinel (M-S) composite refractories containing various amounts of ZrSiO4-Y2O3 constituents was investigated. Density and open porosity values were measured and evaluated. Corrosion tests of ... -
The microstructural features of an alumina-mullite-zirconia refractory material corroded by molten glass
Aksel, Cemail (Elsevier Sci LTD, 2003)An alumina-mullite-zirconia refractory penetrated by a standard soda-lime-silica glass was statically tested at 1370 degreesC for 72 h. Microstructural features and EDAX analysis of the compositions in the corroded region ... -
The role of fine alumina and mullite particles on the thermomechanical behaviour of alumina-mullite refractory materials
Aksel, Cemail (Elsevier Science BV, 2002)Fine grain alumina and mullite particles (approximately 5 mu-m) were incorporated into slip-cast alumina - mullite refractories in order to investigate their effects on the microstructure, mechanical properties and thermal ... -
SnO2 ilavesiyle MgO-MgAl2O4 kompozit refrakterlerin mekanik özelliklerinin ısıl şok ve korozyon davranışlarının araştırılması
Uğur, Pınar (Anadolu Üniversitesi, 2010)SnO2’in değişik oranlarda MgO-spinel’e ilavesiyle elde edilen farklı kompozisyonlardaki kompozit refrakter malzemelerin mekanik özellikleri, ısıl şok ve korozyon davranışları incelenerek, meydana gelen değişiklikler tespit ... -
Spinel formation, reaction conditions and densification properties of magnesia-spinel composites
Aksel, Cemail (Trans Tech Publications LTD, 2004)Densification, reaction conditions and properties of densified MgO and spinel composites were examined using both pressureless sintering and hot-pressing. Initially fine (32 nm) MgO powder, either alone or blended with mum ... -
Thermal shock behaviour of alumina-mullite-zircon refractories
Aksel, Cemail (Trans Tech Publications LTD, 2004)Thermal shock behaviour of alumina-mullite-zircon refractories was investigated by varying zircon content. Thermal shock parameters R and R-st based on the room temperature mechanical measurements were calculated as a ... -
Thermal shock behaviour of magnesia-spinel composites
Aksel, Cemail; Rand, B; Riley, FL; Warren, P. D. (Elsevier Sci LTD, 2004)The incorporation of up to 30% of spinel powder of median particle sizes 3, 11 and 22 mum into dense magnesia gives improved resistance to thermal shock as indicated both by the R''' thermal shock resistance parameters ... -
Thermal shock parameters [R, R ''' and R ''''] of magnesia-spinel composites
Aksel, Cemail; Warren, PD (Elsevier Sci LTD, 2003)Thermal shock parameters (R, R'" and R"") have been calculated using measured strength and modulus values for model magnesia-spinel composite materials. The R'" and R"" parameters vary with both spinel content (0-30%) and ... -
Work of fracture and fracture surface energy of magnesia-spinel composites
Aksel, Cemail; Warren, PD (Elsevier Sci LTD, 2003)This study used a model system of fully dense high purity magnesia, incorporating fine grain spinel prepared by hot-pressing. Work of fracture (gamma(WOF)) and fracture surface energy (gamma(i)) were determined to be a ... -
Young's modulus measurements of magnesia-spinel composites using load-deflection curves, sonic modulus, strain gauges and Rayleigh waves
Aksel, Cemail; Riley, FL (Elsevier Sci LTD, 2003)The extent of interlinking of the microcracking and a decrease in strength and modulus values were determined to be a function of both spinel particle size and volume fraction to allow calculation of thermal shock parameter, ... -
Zirkon-Y2O3 ilavesiyle MgO-spinel kompozit refrakterlerin mekanik özelliklerinin incelenmesi
Şahin, Barış (Anadolu Üniversitesi, 2008)MgO-spinel kompozit refrakterlere değişik miktarlarda zirkon ve Y2O3 ilavesiyle elde edilen farklı kompozisyonlardaki malzemelerin mekanik özelliklerindeki değişim ve iyileştirmeler, nedenleriyle birlikte incelenerek, bu ... -
ZrSiO4 ve ZrO2 ilavelerinin MgO-MgAl2O4 refrakterlerinin mekanik, ısıl şok ve korozyon davranışlarına etkileri
Ceylantekin, Rasim (Anadolu Üniversitesi, 2009)MgO-spinel kompozit refrakterlere ağırlıkça %5, %10, %20 ve %30 oranlarında zirkon (ZrSiO4) ve zirkonya (ZrO2) ilaveleriyle elde edilen farklı kompozisyonların mekanik özellikleri, ısıl şok ve korozyon davranışları ... -
ZrSiO4-ZrO2-Y2O3 ilaveli MgO-MgAl2O4 ile MgO-FeAl2O4 kompozit refrakter malzemelerin mekanik özellikleri, ısıl şok ve korozyon davranışları
Aksoy, Tuba (Anadolu Üniversitesi, 2012)Yeni kompozit refrakter malzemeler: i) MgO-MgAl?O?’e değişen oranlarda ZrSiO?+Y2O?, ZrO?+Y2O? ve hersinit ilaveleriyle; ve ayrıca ii) MgO-Hersinit’e farklı oranlarda spinel (MgAl?O?) ve zirkon (ZrSiO?) katkılarının ilave ...