A New Fabrication Process for High-T_c Superconducting Oxide Ceramic Fibers

概要

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A new fabrication process for superconducting oxide ceramic fibers, the alginate method, is proposed. This process is based on a gelation of a sodium alginate aqueous solution by sodium ion exchange with protons or multivalent metal ions. Dense Y-Ba-Cu-O superconducting fibers have been successfully fabricated by firing Y-Ba-Cu-alginate fibers at temperatures above 900℃. The fibers have shown a tensile strength of 192 MPa and an end-point critical temperature of 85 K.
社団法人応用物理学会の論文
1989-02-20