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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. 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.
 [1];  [2];  [3];  [4]
  1. (Tainan, TW)
  2. (Garnerville, NY)
  3. (Downers Grove, IL)
  4. (Darien, IL)
Issue Date:
OSTI Identifier:
University of Chicago (Chicago, IL) ANL
Patent Number(s):
US 5411938
Contract Number:
Research Org:
Argonne National Laboratory (ANL), Argonne, IL
Country of Publication:
United States
sealed; glass; coating; temperature; ceramic; superconductors; method; article; manufacture; lead; oxide; based; superconductor; preparing; dispersion; powders; solution; applying; drying; heating; powder; temperatures; below; oxygen; diffusion; onset; melting; form; continuous; establish; compressive; stresses; enhance; fracture; strength; ceramic superconductor; glass coating; temperatures below; temperature superconductor; glass melt; lead oxide; temperature ceramic; compressive stress; sealed glass; ceramic superconductors; compressive stresses; oxygen diffusion; fracture strength; glass melting; glass powder; ceramic superco; /505/427/