Simultaneous constraint and phase conversion processing of oxide superconductors

Li, Qi; Thompson, Elliott D; Hellstrom, Eric E; Larbalestier, David C; DeMoranville, Kenneth L; Parrell, Jeffrey A; Reeves, Jodi L

Simultaneous constraint and phase conversion processing of oxide superconductors

Patent · Tue Apr 29 04:00:00 EDT 2003

OSTI ID:921276

Li, Qi ^[1]; Thompson, Elliott D ^[2]; Hellstrom, Eric E ^[3]; Larbalestier, David C ^[3]; DeMoranville, Kenneth L ^[4]; Parrell, Jeffrey A ^[5]; Reeves, Jodi L ^[3]

Marlborough, MA
Coventry, RI
Madison, WI
Jefferson, MA
Roselle Park, NJ

A method of making an oxide superconductor article includes subjecting an oxide superconductor precursor to a texturing operation to orient grains of the oxide superconductor precursor to obtain a highly textured precursor; and converting the textured oxide superconducting precursor into an oxide superconductor, while simultaneously applying a force to the precursor which at least matches the expansion force experienced by the precursor during phase conversion to the oxide superconductor. The density and the degree of texture of the oxide superconductor precursor are retained during phase conversion. The constraining force may be applied isostatically.

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Research Organization:: American Superconductor Corporation (Westborough, MA)

Sponsoring Organization:: United States Department of Energy

DOE Contract Number:: FG02-99ER82742

Assignee:: American Superconductor Corporation (Westborough, MA)

Patent Number(s):: 6,555,503

Application Number:: 09/665,882

OSTI ID:: 921276

Country of Publication:: United States

Language:: English

References (21)

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