在熔融CaCl2体系中, 以二氧化钛和氧化铬的混合物为阴极, 石墨为阳极, 在电解温度900 ℃, 槽电压2.8 V条件下进行电解, 研究了熔盐电解金属氧化物直接制备钛铬合金的可行性.采用SEM, EDS, XRD等方法对电解还原产物进行了分析, 结果表明, 二氧化钛和氧化铬的混合物被还原为TiCr2合金, 组成符合设计配比.混合氧化物的还原经历了优先生成金属Cr到形成TiCr2的合金化历程.
参考文献
| [1] | 肖平安,曲选辉,雷长明,高建祥,祝宝军,秦明礼,黄培云.含TiCr2 Laves相过共析钛铬合金的制备[J].中国有色金属学报,2002(02):236-240. |
| [2] | 黄太仲,吴铸,余学斌,陈金舟,夏保佳,徐乃欣.合金化对Ti-Cr基储氢合金性能的影响[J].稀有金属,2004(04):744-749. |
| [3] | 何玉定,曲选辉,黄伯云.机械活化热压合成Laves 相TiCr2及其力学性能的研究[J].稀有金属,2003(02):303-306. |
| [4] | 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. |
| [5] | Chen G Z;Fray D J;Farthing T W .Direct electrochemical reduction of titanium dioxide to titanium in molten calcium chloride[J].NATURE,2000,407:361. |
| [6] | Chen G Z;Fray D J;Farthing T W .Cathodic deoxygenation of the alpha case on titanium and alloys in molten calcium chloride[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,2001,32B:1041. |
| [7] | George Z. Chen;Derek J. Fray .Voltammetric Studies of the Oxygen-Titanium Binary System in Molten Calcium Chloride[J].Journal of the Electrochemical Society,2002(11):E455-E467. |
| [8] | Yan XY;Fray DJ .Electrochemical studies on reduction of solid Nb2O5 in molten CaCl2-NaCl eutectic[J].Journal of the Electrochemical Society,2005(10):E308-E318. |
| [9] | Gordo E;Chen G Z;Fray D J .Toward optimization of electrolytic reduction of solid chromium oxide to chromium powder in molten chloride salts[J].Electrochimica Acta,2004,49:2195. |
| [10] | Chen G Z;Gordo E;Fray D J .Direct electrolytic preparation of chromium powder[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,2004,35:223. |
| [11] | Jin X B;Gao P;Wang D H;Hu X H,Chen G Z .Electrochemical preparation of silicon and its alloys from solid oxides in molten calcium chloride[J].Angewandte Chemie International Edition,2004,43:733. |
| [12] | Glowacki BA.;Fray DJ.;Yan XY.;Chen G. .Superconducting Nb3Sn intermetallics made by electrochemical reduction of Nb2O5-SnO2 oxides[J].Physica, C. Superconductivity and its applications,2003(1/2):242-246. |
| [13] | Dring K;Bhagat R;Jackson M;Dashwood R,Inman D .Direct electrochemical production of Ti-10W alloys from mixed oxide preform precursors[J].Journal of Alloys and Compounds,2006,419:103. |
| [14] | 朱用,马猛,汪的华,蒋凯,胡晓宏,金先波,陈政.熔盐电还原固态混合氧化物低能耗制备TiNi合金[J].科学通报,2006(16):1966-1970. |
| [15] | 刘美凤,卢世刚,阚素荣,李国勋.熔盐电解直接制备钛镍合金的研究[J].稀有金属,2007(04):573-576. |
| [16] | Ma M;Wang DH;Hu XH;Jin XB;Chen GZ .A direct electrochemical route from ilmenite to hydrogen-storage ferrotitanium alloys[J].Chemistry: A European journal,2006(19):5075-5081. |
| [17] | HSC Chemistry for Windows,Outokumpu Research[M].Finland,1994 |
| [18] | Jiang K;Hu X H;Ma M;Wang D H,Qiu G H,Jin X B,Chen G Z .Perovskitization-assisted electrochemical reduction of Solid TiO2 in molten CaCl2[J].Angewandte Chemie International Edition,2006,45:428. |
| [19] | 虞觉奇;易文质;陈帮迪;陈宏鉴.二元合金状态图集[M].上海:上海科学技术出版社,1987:329. |
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