Mg、Ca共还原制备V-4Cr-4Ti合金粗品的热力学分析及试验

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Mg、Ca共还原制备V-4Cr-4Ti合金粗品的热力学分析及试验

尹丹凤, 孙朝晖, 陈海军, 杜光超, 景涵

文章导航 > 钢铁钒钛 > 2016 > 37(6): 51-55

尹丹凤, 孙朝晖, 陈海军, 杜光超, 景涵. Mg、Ca共还原制备V-4Cr-4Ti合金粗品的热力学分析及试验[J]. 钢铁钒钛, 2016, 37(6): 51-55. doi: 10.7513/j.issn.1004-7638.2016.06.009

引用本文:

尹丹凤, 孙朝晖, 陈海军, 杜光超, 景涵. Mg、Ca共还原制备V-4Cr-4Ti合金粗品的热力学分析及试验[J]. 钢铁钒钛, 2016, 37(6): 51-55. doi: 10.7513/j.issn.1004-7638.2016.06.009

Yin Danfeng, Sun Chaohui, Chen Haijun, Du Guangchao, Jing Han. Thermodynamic Analysis and Experimental Research on Preparation of V-4Cr-4Ti Crude Alloy by Mg and Ca Co-Reduction[J]. IRON STEEL VANADIUM TITANIUM, 2016, 37(6): 51-55. doi: 10.7513/j.issn.1004-7638.2016.06.009

Citation:

Yin Danfeng, Sun Chaohui, Chen Haijun, Du Guangchao, Jing Han. Thermodynamic Analysis and Experimental Research on Preparation of V-4Cr-4Ti Crude Alloy by Mg and Ca Co-Reduction[J]. IRON STEEL VANADIUM TITANIUM, 2016, 37(6): 51-55. doi: 10.7513/j.issn.1004-7638.2016.06.009

尹丹凤, 孙朝晖, 陈海军, 杜光超, 景涵. Mg、Ca共还原制备V-4Cr-4Ti合金粗品的热力学分析及试验[J]. 钢铁钒钛, 2016, 37(6): 51-55. doi: 10.7513/j.issn.1004-7638.2016.06.009

引用本文:

尹丹凤, 孙朝晖, 陈海军, 杜光超, 景涵. Mg、Ca共还原制备V-4Cr-4Ti合金粗品的热力学分析及试验[J]. 钢铁钒钛, 2016, 37(6): 51-55. doi: 10.7513/j.issn.1004-7638.2016.06.009

Yin Danfeng, Sun Chaohui, Chen Haijun, Du Guangchao, Jing Han. Thermodynamic Analysis and Experimental Research on Preparation of V-4Cr-4Ti Crude Alloy by Mg and Ca Co-Reduction[J]. IRON STEEL VANADIUM TITANIUM, 2016, 37(6): 51-55. doi: 10.7513/j.issn.1004-7638.2016.06.009

Citation:

Yin Danfeng, Sun Chaohui, Chen Haijun, Du Guangchao, Jing Han. Thermodynamic Analysis and Experimental Research on Preparation of V-4Cr-4Ti Crude Alloy by Mg and Ca Co-Reduction[J]. IRON STEEL VANADIUM TITANIUM, 2016, 37(6): 51-55. doi: 10.7513/j.issn.1004-7638.2016.06.009

Mg、Ca共还原制备V-4Cr-4Ti合金粗品的热力学分析及试验

doi: 10.7513/j.issn.1004-7638.2016.06.009

攀钢集团研究院有限公司, 钒钛资源综合利用国家重点实验室, 四川攀枝花 617000

中图分类号: TF841.3,TF823
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出版历程

Thermodynamic Analysis and Experimental Research on Preparation of V-4Cr-4Ti Crude Alloy by Mg and Ca Co-Reduction

Pangang Group Research Institute Co., Ltd., State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization, Panzhihua 617000, Sichuan, China

摘要: 对Mg、Ca共还原制备V-4Cr-4Ti合金粗品的反应过程进行了热力学分析,由化学反应的标准吉布斯自由能确定了反应的可行性以及Ti的易氧化性;利用FactSage软件进行了试验方案设计,计算得到了反应的绝热燃烧温度为2 657.86℃,渣系熔点约为2 100℃,单位热效应为3 499.4 J/g。验证试验结果表明:按FactSage软件的设计方案可制备出V含量为91.6%,Cr含量为3.57%,Ti含量为1.53%的V-4Cr-4Ti合金粗品,但因Ti的不均匀性和夹渣现象还需进一步精炼。
- V-4Cr--4Ti合金 /
- 金属热还原 /
- 热力学 /
- 绝热燃烧温度
Abstract: The reaction process for preparation of V-4Cr-4Ti crude alloy by Mg and Ca co-reduction was thermodynamically analyzed. The feasibility of the reactions as well as the oxidation vulnerability of Ti was confirmed by the st and ard Gibbs free energies of chemical reactions. Experiments were designed by Fact-Sage software, and the adiabatic combustion temperature of the process was calculated to be 2 657.86℃,with about 2 100℃ of estimated slag melting point and 3 499.4 J·g^-1 of unit thermal effect. The experi-mental results show that V-4Cr-4Ti crude alloy with 91.6% V, 3.57% Cr and 1.53% Ti can be obtained according to design scheme by Fact-Sage, but further refining is necessary due to the inhomogeneity of Ti and slag inclusion in the alloy.
- V-4Cr-4Ti alloy /
- metallothermic reduction /
- thermodynamics /
- adiabatic combustion temperature

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