Mekanik aktive edilmiş kromitin grafitle karbotermal redüksiyon kinetiği

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Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi
Volume:15 Issue:1
Mekanik aktive edilmiş kromitin grafitle karbotermal redüksiyon kinetiği

Mekanik aktive edilmiş kromitin grafitle karbotermal redüksiyon kinetiği

Pages : 17-22

View : 19 | Download : 13

Publication Date : 2011-06-01

Article Type : Research Paper

Abstract :The carbothermal reduction kinetics of mechanically activated chromite with graphite under an argon atmosphere was investigated at temperatures between 1100 and 1400°C. Zhuravlev-Lesokhin-Tempelman insert ignore into journalissuearticles values(ZLT); method was used in the reduction kinetics for non-activated chromite and the activation energy was calculated as 401.7 kJ/mol. Solid-state diffusion method was used in the reduction kinetics for 60 min-activated chromite and the activation energy was calculated as 283.3 kJ/mol. This decrease in activation energy was due to structural disordering in chromite structure by mechanical activation.
Keywords : kromit, karbotermal redüksiyon, kinetik, mekanik aktivasyon

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