| Effect of metallic phase species on the corrosion resistance of 17M/（10NiO-NiFe2O4） cermet inert anode of aluminum electrolysis |
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| 引用本文： | 赖延清,李新征,李劼,田忠良,张刚,刘业翔. Effect of metallic phase species on the corrosion resistance of 17M/（10NiO-NiFe2O4） cermet inert anode of aluminum electrolysis[J]. 中南工业大学学报(英文版), 2006, 13(3): 214-218. DOI: 10.1007/s11771-006-0128-z |
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| 作者姓名： | 赖延清 李新征 李劼 田忠良 张刚 刘业翔 |
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| 作者单位： | School of Metallurgical Science and Engineering Central South University Changsha 410083，China，School of Metallurgical Science and Engineering，Central South University Changsha 410083，China，School of Metallurgical Science and Engineering，Central South University Changsha 410083，China，School of Metallurgical Science and Engineering，Central South University Changsha 410083，China，School of Metallurgical Science and Engineering，Central South University Changsha 410083，China，School of Metallurgical Science and Engineering，Central South University Changsha 410083，China |
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| 基金项目： | Project（2005CB623703） supported by the National Basic Research Program of China; project（03JJY3080） supported by the Hunan Provincial Natural Science Foundation |
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| 摘 要： | 1 INTRODUCTIONThere are many disadvantages in the presentaluminumelectrolysis with carbon anode ,such assevere energy consumption,carbon wasting,envi-ronmental pollution and so on.Inert electrode sys-tem can overcome these disadvantages[1 3]. Re-cently ,the researches of the inert anode materialshave mainly been concentrated on alloys[4]and cer-met materials[5 ,6]. NiFe2O4based cermets , whichpossess not only high electrical conductivity ofmetal but also good corrosion resistance of cera…
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| 关 键 词： | 惰性阳极 NiFe2O4陶瓷 腐蚀抗力 金属相 电解铝 |
| 文章编号： | 1005-9784（2006）03-0214-05 |
| 收稿时间： | 2006-02-25 |
| 修稿时间： | 2006-03-25 |
Effect of metallic phase species on the corrosion resistance of 17M/(10NiO-NiFe2O4) cermet inert anode of aluminum electrolysis |
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| Lai Yan-qing , Li Xin-zheng , Li Jie , Tian Zhong-liang , Zhang Gang and Liu Ye-xiang. Effect of metallic phase species on the corrosion resistance of 17M/(10NiO-NiFe2O4) cermet inert anode of aluminum electrolysis[J]. Journal of Central South University of Technology, 2006, 13(3): 214-218. DOI: 10.1007/s11771-006-0128-z |
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| Authors: | Lai Yan-qing Li Xin-zheng Li Jie Tian Zhong-liang Zhang Gang Liu Ye-xiang |
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| Affiliation: | (1) School of Metallurgical Science and Engineering, Central South University, 410083 Changsha, China |
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| Abstract: | NiFe2O4-based cermet inert anodes with metallic phase compositions of Cu, Ni and 85Cu15Ni were prepared by cold pressing-sintering. Their corrosion resistance was also investigated in Na3AlF6-Al2O3 melts. The results show that the metallic phase species in cermets have no effect on the concentration of impurities in bath during electrolysis, the total steady-state concentration of impurities is almost the same, i. e. between 4.12×10−4−4.80×10−4. There exists metal preferential corrosion for the cermet inert anode with metal Ni as metallic phase. For NiFe2O4-based cermets, the cermet with metal Cu as metallic phase exhibits better corrosion resistance than the others. Foundation item: Project(2005CB623703) supported by the National Basic Research Program of China; project(03JJY3080) supported by the Hunan Provincial Natural Science Foundation |
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| Keywords: | inert anode NiFe2O4 based cermet metallic phase species corrosion resistance |
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