Manufacturing method for superconducting ceramics and products thereof
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United States of America Patent
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Sep 22, 1992
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N/A
app pub date -
Feb 12, 1988
filing date -
Sep 11, 1987
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Abstract
Superior homogeneity in ceramic materials is achieved by reacting certain soluble metal salts with quaternary ammonium carbonates to form co-precipitated metal carbonates. The precipitate can be recovered and processed to make superconductors. For example, a solution of nitrates of yttrium, barium, and copper are treated with a solution of tetraethyl ammonium carbonate to form co-precipitated carbonates of Y, Ba, Cu. The precipitate is recovered and calcined to form a superconducting material.
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