用顶部籽晶熔融织构生长法(TSMTG)批量制备了30mm直径的YBCO单畴超导块材.使用一种六面控温的箱式炉和一台改进的坩埚炉进行晶体生长.采用了高压氧化退火工艺对生长出的YBCO晶体进行后处理.与流动氧氧化工工艺相比,在保持样品超导性能不变的情况下高压氧化大大节约了用氧量,缩短了氧化退火时间,提高了生产效率.大多数单畴超导块在77K和0.5T的磁场下的磁悬浮力超过10N/cm2,其中最高值达到了15N/cm2.目前我们已具备了年生产1000块30mm直径优质单畴导块的能力.
参考文献
| [1] | MUllrich;HWalter;ALeenders;H C Freyhardt .[J].PHYSICA C,1999,311:86. |
| [2] | RTournier;EBeaugnon;OBelmont;X Chaud D Bourgault D Istort L Porcar P Tixador .[J].Superconductor Science and Technology,2000(13):886. |
| [3] | Tobias Habisreuther;Doris Litzkendorf;Oleksiy Surzhenko;Matthias Zeisberger,Robert Muller,James Riches,Stefan Schauroth,Jan Dellith,Wolfgang Gawalek .[J].IEEE Transactions on Applied Superconductivity,2001,11(01) |
| [4] | Ren Hong-tao;Xiao Ling;Jiao Yu lei;Wang Yong-lan .[J].稀土学报(英文版),1996,14(04):279. |
| [5] | HTRen;LXiao;YLJiao.[J].PHYSICA C,1997:282-287,485. |
| [6] | MMorita;MSawamura;STakabayashi;K Kimura H Toshima M Tanaka K Miyamoto M Hoshimoto .[J].Physica C,1994,235-240:209. |
| [7] | TMeignan;PJMcGinn;CVaranas .[J].Superconductor Science and Technology,1997(10):109. |
| [8] | Xiao Ling;Ren Hong-tao;Jiao Yu lei;Zheng Ming-hui,Chen Yun-xia.to be published proceeding of SPA 2002 International Conference in Xian of China[C]. |
| [9] | Zheng Ming-hui;XiaoLing;Ren Hong-tao.to be published proceeding of SPA 2002 International Conference in Xian of China[C]. |
| [10] | YLJiao;LXiao;HTRen;M H Zheng X H Wang D M Liu H K Wong .[J].Physica C,2000,337:111. |
| [11] | Wang Jia-su;Wang Su-yu;Zeng You-wen.[A].Kobe,Japan,Physica C,2001 |
| [12] | JRFang;LZLin;LGYan.[J].ISMST,2001 |
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%