Microstructure and critical current density of zone melt textured YBa2Cu3O6+x

Zone melting has been used to produce texture in extruded YBa2Cu3O6+x wires. Highly aligned microstructures are produced with a‐b planes oriented along the axis of the wires. Microstructural observations show that changes in alignment orientation can occur, and can result in the inability to carry a transport current. Pulsed transport Jc measurements on oriented samples indicate a zero field critical current density greater than 4×104 A/cm2.

[1]  J. G. Chen,et al.  Transport critical current density and microstructure in extruded YBa2Cu3O7−x wires processed by zone melting , 1990 .

[2]  U. Balachandran,et al.  Zone melt texturing of YBa2Cu3O6+x with silver additions , 1990 .

[3]  J. Shimoyama,et al.  Preparation of Y-Ba-Cu-O Superconductors with High Critical Current Density by Unidirectional Melt Solidification , 1990 .

[4]  U. Balachandran,et al.  Texture processing of extruded YBa2Cu3O6+x wires by zone melting , 1990 .

[5]  P. McGinn,et al.  Texture processing of bulk YBa2Cu3O6+x by zone melting , 1989 .

[6]  M. Murakami,et al.  Magnetization of a YBa2Cu3O7 Crystal Prepared by the Quench and Melt Growth Process , 1989 .

[7]  M. Murakami,et al.  A New Process with the Promise of High Jc in Oxide Superconductors , 1989 .

[8]  V. Selvamanickam,et al.  High current density in bulk YBa2Cu3Ox superconductor , 1989 .

[9]  K. Kendall,et al.  Critical currents of sintered and melt‐textured YBa2Cu3Ox , 1989 .

[10]  R. V. Dover,et al.  Large magnetic hysteresis in a melt‐textured Y‐Ba‐Cu‐O superconductor , 1989 .

[11]  P. McGinn,et al.  Texture processing of YBa2Cu3O7−x by Joule heat zone melting , 1988 .

[12]  Y. Zhou,et al.  The crystal growth of Y-Ba-Cu-O by laser floating zone melting , 1988 .

[13]  R. V. Dover,et al.  High critical currents in Y‐Ba‐Cu‐O superconductors , 1988 .

[14]  J. Tarascon,et al.  Melt Growth of High‐Critical‐Temperature Superconducting Fibers , 1988 .

[15]  Sherwood,et al.  Melt-textured growth of polycrystalline YBa2Cu3O7- delta with high transport Jc at 77 K. , 1988, Physical review. B, Condensed matter.