STUDIES OF ELECTRON-BEAM CO-EVAPORATED NB3SN COMPOSITES - CRITICAL CURRENT AND MICROSTRUCTURE

被引：11

作者：

HAMMOND, RH

JACOBSON, BE

GEBALLE, TH

TALVACCHIO, J

SALEM, JR

POHL, HC

BRAGINSKI, AI

机构：

[1] Stanford University, Stanford

[2] IBM Res. L, Charles Industrial Par, San Jose

[3] Westinghouse R & D Center, Charles Industrial Par

来源：

IEEE TRANSACTIONS ON MAGNETICS | 1979年 / 15卷 / 01期

关键词：

D O I：

10.1109/TMAG.1979.1060214

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The critical current pinning force has been measured as a function of the magnetic field for a variety of microstructures of Nb3Sn. These include Nb3Sn structures with columnar grains, codeposited Nb3Sn-A1203structures with equiaxed grains, and codeposited Nb3Sn-Cu structures with equiaxed grains. The peak in the pinning force is compared with the grain size. For grains or columns larger than 400 X an inverse grain size dependence is found. For smaller grains the pinning force appears to decrease. A possible detrimental effect of copper on Nb3Sn is pointed out. © 1979 IEEE

引用

页码：619 / 622

页数：4

共 11 条

[1] FLUX VORTICES AND TRANSPORT CURRENTS IN TYPE II SUPERCONDUCTORS [J].