以氧化钪为原料、液态铝镁合金作阴极,在氟化锂-氟化钪-氯化钪(LiF-ScF3-ScCl3)体系中通过熔盐电解制备铝镁钪(Al-Mg-Sc)合金.针对LiF-ScF3-ScCl3体系,实验考查了温度、熔盐组成、电流强度和电解时间等因素的影响.结果表明,熔盐电解可制备出钪含量在2%～10%、镁含量0.2%的铝镁钪合金.采用XRD,SEM和电子能谱分析等方法对合金样品进行了表征,结果表明,合金金相分为两相,连续相为铝基,间断相为ScAl3.
参考文献
| [1] | 覃少雄.钪在高新技术领域中的应用[J].国际产业经济技术,1992(06):10-13. |
| [2] | 姜锋,尹志民,李汉广.铝钪中间合金的制备方法[J].稀土,2001(01):41-44. |
| [3] | Qiu Zhuxian;Zhang Mingjie .preparation of aluminum master alloy by electrolysis in molten cryolite[J].Aluminum:Technology applications and Environment:A Profile of A Modern Metal,1998,61(08):560-564. |
| [4] | 氧化钪在nNaF·AlF3-ScF3熔盐体系中的溶解[J].中国有色金属学报,1999(03):624. |
| [5] | J. D. Robson;M. J. Jones;P. B. Prangnell .Extension of the N-model to predict competing homogeneous and heterogeneous precipitation in Al-Sc alloys[J].Acta materialia,2003(5):1453-1468. |
| [6] | Qiu Zhuxian;Zhang Mingjie .Measurement of back EMF and over voltage in Aluminum electrolysis[J].Aluminum:Technology applications and Environment:A Profile of A Modern Metal,2001,61(08):563-567. |
| [7] | 张明杰;王兆文.熔盐电化学原理与应用[M].北京:化学工业出版社,2006:85-92. |
| [8] | 黄英科;肖辉照.电解法直接制取Al-Si-Ti合金工业试验研究[J].轻金属,2005(04):31-36. |
| [9] | Alexander Pisch;Joachim Grobner;Rainer Schmid-Fetzer .Application of Computational thermochemitry to Al and Mg alloy processing with Sc adding[J].Water Science and Engineering A,2000,289:123-129. |
| [10] | Typкина H И;КуэьминаВИ.ФаэовыевэаимолействияВсистемеAl-Mg-Sc[J].И3вAH CCCP Мегаллы,1976(04):208-212. |
| [11] | 赵敏寿.浅议铝电解槽制备铝-稀土合金方法[J].稀土,1986(03):48. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%