Calciothermic Reduction of Zirconium Oxide in Molten CaCl_2

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概要

• 論文の詳細を見る

• The reduction of zirconium dioxide using liquid calcium and molten calcium chloride was investigated. The study focusing on the influence of reductant amount, reaction time, CaCl2 amount, and temperature on the reduction process. Zirconium powder with oxygen content less than 800 ppm was obtained at 1 100°C after 3 h and by using two times the theoretical amount of Ca and four times that of CaCl2. The reduction reaction of ZrO2 was found to be multi steps process through the formation of intermediate phase CaZrO3. The morphology of the obtained zirconium was observed to be highly affected by the reaction temperature.

• 社団法人 日本鉄鋼協会の論文
• 2007-01-15

著者

• EL-KASHIF Emad

  Department of Materials Engineering, The University of Tokyo

• El-kashif Emad

  Department Of Mining Petroleum And Metallurgical Engineering Cairo University

• ABDELKADER Amr

  Nuclear Materials Authority (NMA)

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• Effect of Cooling Rate after Recrystallization on P and B Segregation along Grain Boundary in IF Steels
• Effects of Nitrogen in 9Cr-3W-3Co Ferritic Heat Resistant Steels Containing Boron
• Grain Boundary Segregation of Boron in Interstitial Free Steels Containing Phosphorous
• Effects of Nitrogen in 9Cr-3W-3Co Ferritic Heat Resistant Steels Containing Boron
• Role of Boron in Preventing Intergranular Fracture in Interstitial Free Steels
• Behavior of Boron in 9Cr-3W-3Co Ferritic Heat Resistant Steels
• Calciothermic Reduction of Zirconium Oxide in Molten CaCl_2

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