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Effect of additive on corrosion resistance of NiFe(2)O(4) ceramics as inert anodes
Alternative TitleEffect of additive on corrosion resistance of NiFe_2O_4 ceramics as inert anodes
Xi Jinhui1; Xie Yingjie2; Yao Guangchun2; Liu Yihan2
2008
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume18Issue:2Pages:356-360
AbstractIn order to improve the corrosion resistance of NiFe(2)O(4) ceramics as inert anode, additive V(2)O(5) was added to raw materials NiO and Fe(2)O(3). The inert anodes of nickel-ferrite ceramics were prepared by powder metallurgic method and the static corrosion rate in Na(3)AlF(6)-Al(2)O(3) was determined by mass loss measurement. The effect Of V(2)O(5) on sintering property and corrosion resistance was studied. The results show that V(2)O(5) can promote the grain to develop completely and improve sintering property. EDS results show the reaction product Ni(2)FeVO(6) distributes along the grain boundary. The corrosion tests show that V(2)O(5) is beneficial to improving corrosion resistance remarkably. The reasons that V(2)O(5) can improve the corrosion resistance must be V(2)O(5) promoting the gains to develop completely and Ni(2)FeVO(6) distributes along the grain boundary. The stable structure can control the chemical dissolution of ceramics anode and the reinforced grain boundary can control the grain-boundary corrosion rate.
Other AbstractIn order to improve the corrosion resistance of NiFe_2O_4 ceramics as inert anode, additive V_2O_5 was added to raw materials NiO and Fe_2O_3. The inert anodes of nickel-ferrite ceramics were prepared by powder metallurgic method and the static corrosion rate in Na_3AlF_6-Al_2O_3 was determined by mass loss measurement. The effect of V_2O_5 on sintering property and corrosion resistance was studied. The results show that V_2O_5 can promote the grain to develop completely and improve sintering property. EDS results show the reaction product Ni_2FeVO_6 distributes along the grain boundary. The corrosion tests show that V_2O_5 is beneficial to improving corrosion resistance remarkably. The reasons that V_2O_5 can improve the corrosion resistance must be V_2O_5 promoting the gains to develop completely and Ni_2FeVO_6 distributes along the grain boundary. The stable structure can control the chemical dissolution of ceramics anode and the reinforced grain boundary can control the grain-boundary corrosion rate.
KeywordALUMINUM ELECTROLYSIS CERMETS NiFe(2)O(4) inert anode additive corrosion resistance
Indexed ByCSCD
Language英语
CSCD IDCSCD:3252039
Citation statistics
Cited Times:6[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/142141
Collection中国科学院金属研究所
Affiliation1.中国矿业大学
2.中国科学院金属研究所
Recommended Citation
GB/T 7714
Xi Jinhui,Xie Yingjie,Yao Guangchun,et al. Effect of additive on corrosion resistance of NiFe(2)O(4) ceramics as inert anodes[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2008,18(2):356-360.
APA Xi Jinhui,Xie Yingjie,Yao Guangchun,&Liu Yihan.(2008).Effect of additive on corrosion resistance of NiFe(2)O(4) ceramics as inert anodes.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,18(2),356-360.
MLA Xi Jinhui,et al."Effect of additive on corrosion resistance of NiFe(2)O(4) ceramics as inert anodes".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 18.2(2008):356-360.
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