四川大学学报：工程科学版2012，Vol.44Issue(4)：191-196,6.
钒钛磁铁矿碳热合成铁基复合材料的热力学分析
Thermodynamic Analysis on Ferro-matrix Composites by In-situ Carbothermal Reduction from Vanadium-Titanium Magnetite
摘要
Abstract
Based on HSC, a computational chemistry software, the thermodynamic analysis and equilibrium composition calculation were carried out for vacuum carbethermal reduction of a muh-component and muhi-phase complex system composed of vanadium-titanium mag- netite and reductant. The result of thermodynamic analysis showed that Fe is the ultimate stable phase for carbothermal reduction of ferrif- erous oxides, the reaction Gibbs energy of producing TiC is the lowest among all possible earbothermal redu,3tion of titanium oxides above 1 600 K, whereas the reaction Gibbs energy of producing VO2 is the lowest among the carbothermal reduction of V205 between 600 K and 1 600 K, and VC can be obtained only above 1 348 K. High temperature can facilitate the production of VC. The equilibrium composition calculation showed that under the pressure of 2 Pa, the stable existing temperature of Fe is between 400℃ and l 300 ℃ , the stable existing temperature of TiC is between 900 ℃and 1 300 ℃ and the stable existing temperature of VC is between 800 ℃ and 1 300 ℃.关键词
钒钛磁铁矿/原位合成/碳热还原/热力学分析/金属基复合材料Key words
magnetite/in situ processing/carbothermal reduction/thermodynamics/metallic matrix composites分类
冶金工业引用本文复制引用
张光明,冯可芹,邓伟林,张瑞,陈洪生,魏仕烽..钒钛磁铁矿碳热合成铁基复合材料的热力学分析[J].四川大学学报：工程科学版,2012,44(4):191-196,6.基金项目
四川省科技支撑计划资助项目 （）
攀枝花市级应用技术研究与开发资金计划资助项目 （）
