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Title: Sealed glass coating of high temperature ceramic superconductors

A method and article of manufacture of a lead oxide based glass coating on a high temperature superconductor is disclosed. The method includes preparing a dispersion of glass powders in a solution, applying the dispersion to the superconductor, drying the dispersion before applying another coating and heating the glass powder dispersion at temperatures below oxygen diffusion onset and above the glass melting point to form a continuous glass coating on the superconductor to establish compressive stresses which enhance the fracture strength of the superconductor. 8 figs.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
46313
Assignee:
Univ. of Chicago, IL (United States) PTO; SCA: 360203; 360601; PA: EDB-95:077734; SN: 95001384514
Patent Number(s):
US 5,411,938/A/
Application Number:
PAN: 8-100,606
Contract Number:
W-31109-ENG-38
Resource Relation:
Other Information: PBD: 2 May 1995
Research Org:
Univ. of Chicago, IL (United States)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; HIGH-TC SUPERCONDUCTORS; FRACTURE PROPERTIES; COATINGS; GLASS; SURFACE COATING

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