Variance of Critical Current Density with Microstructure by a Special Process

• 出 处: Journal of Materials Science & Technology
• 发表日期: 1993年6期
• 关键词: high-T_C SUPERCONDUCTORS 2223 phase CRITICAL CURRENT DENSITY TEXTURE high-T_C su

A promising method —“powder in tube”technique was used to fabricate Ag-sheathed Bi-2223superconductive tapes with high critical current density.After a combination processing of pressingand subsequent heat treatment,we obtained tapes with high degree of t