Feasibility of Obtaining Superconductive Forms Using the Glass-Ceramic Route

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This investigation will carry out controlled crystallization of superconductive phases of the Ba-A-Cu-O type (A = trivalent rare earth element) from a Ba-A-Cu-R-O molten mass where R is a glass network forming element such as B, Si, or P. This glass-ceramic route could be employed to obtain strong, uniform grain-sized superconductor with nearly zero porosity. Conventional glass- ceramic technology is used to obtain pressed and blown shapes, canes and wires.