Yazar "Sarikaya, Y." için listeleme
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Applications of the zero-order reaction rate model and transition state theory on the intra-particle sintering of an alumina powder by using surface area measurements
Sarikaya, Y.; Ada, K.; Onal, M. (Elsevier Science Sa, 2007)The cylindrical compacts with the diameter of 14mm were prepared under 32MPa of an alumina powder having agglomeration degree of 80% and maximum surface area of 81 m(2) g(-1) after calcination at 900 degrees C for 2 h. ... -
The effect of Al3+ concentration on the properties of alumina powders obtained by reaction between aluminium sulphate and urea in boiling aqueous solution
Sarikaya, Y.; Ada, K.; Alemdaroğlu, T.; Bozdoğan, I. (Elsevier Sci Ltd, 2002)Homogeneous precipitation of alumina precursors was carried out in boiling aqueous solutions that contained excess urea and 0.010 0.200 M Al3+. The obtained precursor precipitates were dried for 2 h at 100 C to yield ... -
An indirect thermodynamic model developed for initial stage sintering of an alumina compacts by using porosity measurements
Sarikaya, Y.; Onal, M.; Ada, K. (Springer, 2012)The specific micro- and mesopore volumes (V) of alumina compacts fired between 900 and 1250 A degrees C for 2 h were determined from nitrogen adsorption/desorption data. The V value was taken as a sintering equilibrium ... -
Investigation of the intra-particle sintering kinetics of a mainly agglomerated alumina powder by using surface area reduction
Ada, K.; Onal, M.; Sarikaya, Y. (Elsevier, 2006)An alumina precursor was prepared by the aluminium sulphate (0.20 M) and excess urea reaction in boiling aqueous solution. The precursor was calcined at 900 degrees C for 2 h and then delta-Al2O3 Powder having volumetric ...