用刮浆刀法制备Bi(Pb)SrCaCuO/Ag复合带材  

Bi(Pb)SrCaCuO/Ag Superconducting Composite Tapes Prepared by Modified Doctor-blade Method

作　　者：周志龙[1] 王开泰[1] 沈定坤[1] 

机构地区：[1]中科院上海硅酸盐研究所,200050

出　　处：《无机材料学报》1993年第3期362-366,共5页Journal of Inorganic Materials

基　　金：国家超导中心资助;中国科学院超导办公室的资助

摘　　要：用烧结方法制得含95%左右110K 相的 Bi 系超导粉末材料.采用该粉末以刮浆刀法制成带材,并通过冷压与银基带复合加之中间加压与烧结等过程,成功地获得了具有高织构、高致密度及良好柔性的 Bi(2223)/Ag 的复合带材.带材具有良好的超导性能,在77K 零磁场下 J_c=1769A/cm^2.Approximate 95 Vol% of the 110K superconducting phase was formed by lead doping in a Bi-Sr-Ca-Cu-O system.The processed 110K superconducting powders were successfully used to produce superconducting composite tapes with a highly textured microstructure and good flexibility by the combined process of doctor-blade casting,compositing by cold pressing, sintering and intermediate pressing.The transport critical current density was measured at 77K to be 1769 A/cm^2 at zero field.

关 键 词：刮浆刀法 铋 超导材料 高温 

分 类 号：TM260.51[一般工业技术—材料科学与工程]