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简要介绍了熔盐电脱氧工艺制备金属或合金的研究情况.重点评述了掺杂、成形压力和烧结温度对阴极孔隙率以及掺杂、烧结温度和烧结气氛对阴极半导体化的影响,分析了阴极孔隙率和半导体化与电解效率的关系:增大阴极孔隙率,促进O<'2->扩散和迁移,增加阴极有效反应面积.有利于电解脱氧;增加阴极氧空位有利于增强其导电性,从而提高电解效率.展望了今后的研究方向,提出了阴极孔隙率和半导体化之间合理平衡、影响因素的优化和探讨等以提高电脱氧效率.

参考文献

[1] Fray D J;Farthing T W;Chen G Z .Removal of oxygen from oxides and solid solutions by electrolysis in a fused salt[P].UK,PCT/GB99/O1781,1998-06-05.
[2] Chen G Z;Fray D J;Farthing T W .Direct electrochemical reduction of titanium dioxide to titanium in molten calcium chloride[J].Nature,2000,407(21):361.
[3] Derek J. Fray .Emerging molten salt technologies for metals production[J].JOM,2001(10):26-31.
[4] Chen G Z;Fray D J;Farthing T W.Cathodic deoxyge-nation of the alpha case on titanium and alloys in molten calcium chloride[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,2001(32):1041.
[5] D. J. Fray;G. Z. Chen .Reduction of titanium and other metal oxides using electrodeoxidation[J].Materials Science and Technology: MST: A publication of the Institute of Metals,2004(3):295-300.
[6] 邓丽琴,许茜,马涛,李兵,翟玉春.电脱氧法制铌用Nb2O5阴极活性的改进[J].金属学报,2005(05):551-555.
[7] 李海滨;许茜;胡小峰 等.熔盐电脱氧法制备铌影响因素的研究[J].中国稀土学报,2006,24(专辑):244.
[8] 邓丽琴,许茜,李兵,翟玉春,黄振奇.电脱氧法由Nb2O5直接制备金属铌[J].中国有色金属学报,2005(04):541-545.
[9] 李晴宇;杜继红 等.掺杂CaCO3对熔盐电脱氧制备金属锆的影响[J].稀有金属材料与工程,2008,37(增刊4):537.
[10] 李晴宇,杜继红,奚正平,李争显,杨升红.阴极掺杂提高熔盐电脱氧制备锆电解效率的机制[J].稀有金属材料与工程,2009(09):1575-1579.
[11] 郭春芳,董云会,于先进,李德刚,张丽鹏.直接电脱氧法制备金属锆[J].中国有色金属学报,2007(06):1019-1023.
[12] 胡小锋,许茜.CaCl2-NaCl熔盐电脱氧法制备金属Ta[J].金属学报,2006(03):285-289.
[13] 陈朝轶,鲁雄刚,李重和,钟庆东.三相界面反应机制在SOM法制备金属钽中的应用[J].中国有色金属学报,2009(03):583-588.
[14] Barnett R;Tripuranenikilby K;Fray D J.Reduction of tantalum pentoxide using graphite and tin-oxide-based anodes via the FFC-cambridge process[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,2009(40):150.
[15] 胡小锋;许茜;李海滨 等.电脱氧法制备金属钽的影响因素分析[J].中国稀土学报,2006,24(专辑):261.
[16] 高筠,周正,王岭,戴磊,朱书全.熔盐电解氧化亚镍制备镍粉新工艺研究[J].粉末冶金工业,2007(02):15-19.
[17] 高筠,毛磊,王岭,李奇骏,周正,戴磊.熔盐电解二氧化锰制备锰新工艺研究[J].现代化工,2008(12):42-44.
[18] 赵炳建,王岭,戴磊,崔广华,李跃华,朱立光.熔盐电脱氧法制备金属Cr粉的研究[J].粉末冶金工业,2008(02):23-27.
[19] GEORGE Z. CHEN;ELENA GORDO;DEREK J. FRAY .Direct Electrolytic Preparation of Chromium Powder[J].Metallurgical and Materials Transactions, B. Process metallurgy and materials processing science,2004(2):223-233.
[20] Gordo E;Chen G Z;Fray D J .Toward optimization of electrolytic reduction of solid chromium oxide to chromium powder in mohenchloride salts[J].Electrochimica Acta,2004,49(13):2195.
[21] Cox A;Fray DJ .Mechanistic investigation into the electrolytic formation of iron from iron(III) oxide in molten sodium hydroxide[J].Journal of Applied Electrochemistry,2008(10):1401-1407.
[22] Xiao Y. Yan;Derek J. Fray .Electrosynthesis of NbTi and Nb_3Sn Superconductors from Oxide Precursors in CaCl_2-Based Melts[J].Advanced functional materials,2005(11):1757-1761.
[23] Bhagat R;Jackson M;Inman D;Dashwood R .The production of Ti-Mo alloys from mixed oxide precursors via the FFC cambridge process[J].Journal of the Electrochemical Society,2008(6):E63-E69.
[24] Jackson B;Jackson M;Dye D et al.Production of NiTi viaz the FFC cambridge process[J].Journal of the Electrochemical Society,2008,155(12):E171.
[25] R. Bhagat;M. Jackson;D. Inman .Production of Ti-W Alloys from Mixed Oxide Precursors via the FFC Cambridge Process[J].Journal of the Electrochemical Society,2009(1):E1-E7.
[26] Ye Xiaosu;Lu Xionggang;Li Chonghe et al.Preparation of TiFe based hydrogen storage alloy by SOM method[J].International Journal of Hydrogen Energy,2010,4(98):1.
[27] Tan S;Oers T;Aydinol M K et al.Synthesis of FeTi from mixed oxide precursors[J].Journal of Alloys and Compounds,2009,475(1-2):368.
[28] 杜继红,奚正平,李晴宇,李争显,唐勇.熔盐电解还原制备TiFe合金[J].稀有金属材料与工程,2008(12):2240-2243.
[29] 杜继红,李晴宇,杨升红,李争显,奚正平.熔盐电解脱氧制备TiV合金[J].稀有金属材料与工程,2009(12):2230-2233.
[30] Harata M;Yasuda K;Takushiji H et al.Electrochemical production of Al-Sc alloy in CaCl2-Sc2O3 molten salt[J].Journal of Alloys and Compounds,2009,474(1-2):124.
[31] X.Y.Yan;D.J. Fray .Synthesis of niobium aluminides by electro-deoxidation of oxides[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2009(1/2):154-161.
[32] Serdar Tan;Kadri Aydinol;Tayfur Ozturk;Ishak Karakaya .Direct synthesis of Mg–Ni compounds from their oxides[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2010(1):134-140.
[33] 张彦华;薛克敏.材料成形工艺[M].北京:高等教育出版社,2008:223.
[34] Centeno-Sanchez RL;Fray DJ;Chen GZ .Study on the reduction of highly porous TiO2 precursors and thin TiO2 layers by the FFC-Cambridge process[J].Journal of Materials Science,2007(17):7494-7501.
[35] 李珍,孙建科,常鹏北,汤胜博,邢朋飞,罗志涛,彭晖.熔盐电脱氧法制备金属钛中TiO2电极孔隙率影响因素研究Ⅱ.烧结制度及造孔剂[J].材料开发与应用,2010(02):6-9.
[36] 王碧侠,吴晓松,兰新哲,赵西成.TiO2电化学还原工艺中阴极制备方法研究[J].铸造技术,2007(10):1328-1331.
[37] 杜继红,奚正平,李晴宇,李争显,唐勇.掺杂的TiO2阴极对熔盐电解的影响[J].稀有金属,2007(03):336-340.
[38] 杜继红,奚正平,李晴宇,李争显,唐勇.CaCO3的掺杂对TiO2电解过程的影响[J].稀有金属材料与工程,2007(01):96-99.
[39] 杜继红,奚正平,李晴宇,李争显,唐勇.TiO2阴极组分对电解的影响[J].稀有金属材料与工程,2007(z3):347-350.
[40] Du Jihong;Xi Zhengping;Li Qingyu et al.Effect of TiO2 cathode performance on preparation of Ti by electro-deoxidation[J].Transactions of Nonferrous Metals Society of China,2007,17:s514.
[41] 蒋凯,胡晓宏,马猛,汪的华,邱国红,金先波,陈政.钙钛矿化对电化学还原二氧化钛制备金属钛的强化[C].第十三次全国电化学会议论文集,2005:265-266.
[42] 中艾真科尔勃;韩风麟.粉术冶金[M].北京:中国工业出版社,1959:12.
[43] 马红萍,袁森,王武孝,夏明许.预制体气孔率测试及其影响因素的研究[J].热加工工艺,2002(03):38-40.
[44] Mohandas K S;Fray D J.Electrochemical deoxidation of solid zirconium dioxide in molten calcium chloride[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,2009(40):685.
[45] 刘国钦,邹敏,毛雪华,王琪琳,马光强.真空条件下电解TiO2制备海绵钛中TiO2电极制备及工艺参数确定[J].攀枝花学院学报(综合版),2007(03):1-4.
[46] 崔国文.缺陷扩散与烧结[M].北京:清华大学出版社,1990:142.
[47] 王碧侠,崔静涛,兰新哲,赵西成,张静.电化学还原法制备金属钛的阴极烧结工艺研究[J].铸造技术,2008(10):1388-1392.
[48] 贺蕴秋.无机材料物理化学[M].北京:化学工业出版社,2005:63.
[49] 石康源;张绪礼;王筱珍 .ZnO导电陶瓷的微观结构与导电机理[J].功能材料,1996,27(01):61.
[50] 刑怀民;张瑞英;戴宪起 .湿法合成ZnO压敏陶瓷材料烧结缺陷的研究[J].材料导报,1999,13(06):65.
[51] 李泽全,白晨光,陈小亮,陶长元.FFC工艺中阴极TiO2的导电性及影响因素分析[J].重庆大学学报(自然科学版),2008(11):1323-1326.
[52] 曲宝涵,马传利,杨爱萍.TiO2材料的半导化机理探讨[J].郑州轻工业学院学报(自然科学版),2000(04):99-101.
[53] 籍远明,张金仓.Nb2O5掺杂的氧化锌陶瓷导电特性研究[J].低温物理学报,2004(01):72-75.
[54] 李珍,孙建科,常鹏北,罗志涛,邢朋飞,彭晖.熔盐电解法制备海绵钛工艺中TiO2电极制备关键技术分析[J].材料开发与应用,2010(01):1-5.
[55] Yan, XY;Fray, DJ .Direct electrolytic reduction of solid alumina using molten calcium chloride-alkali chloride electrolytes[J].Journal of Applied Electrochemistry,2009(8):1349-1360.
[56] 于雷,裴素华.半导体TiO2晶型转变与自身半导化特性研究[J].微纳电子技术,2005(12):558-560,570.
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