Development of a Composite Tape Conductor of Y-Ba-Cu-O


Samples of a prototype composite tape conductor have been prepared consisting of a thick layer of Y Ba2 Cu3 O7 (123) on a metallic substrate. A thick coating of 123 precursor powder was applied to the substrate by a mechanical compaction process. A melt-quench-growth technique was then employed to effect a textured grain development and improved current density. The resulting melt processed structure showed a textured 123 orthorhombic matrix with a dispersion of the 211 phase. The orthorhombic 123 phase was highly developed with an onset temperature of 90K and current density near 104 A/cm2 at 4T and 50K measured by a steady-state magnetization method.

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Correspondence to R. D. Blaugher.

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Blaugher, R.D., Hazelton, D.W., Rice, J.A. et al. Development of a Composite Tape Conductor of Y-Ba-Cu-O. MRS Online Proceedings Library 169, 1205–1208 (1989).

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