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Sealed glass coating of high temperature ceramic superconductors

Patent ·
OSTI ID:869863
 [1];  [2];  [3];  [4]
  1. Tainan, TW
  2. Garnerville, NY
  3. Downers Grove, IL
  4. Darien, IL
+ Show Author Affiliations

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.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL
DOE Contract Number:
W-31109-ENG-38
Assignee:
University of Chicago (Chicago, IL)
Patent Number(s):
US 5411938
OSTI ID:
869863
Country of Publication:
United States
Language:
English

References (5)

Reduced water degradation of YBaCuO by Si3N4 protective coating journal August 1990
Environmental reactivity characteristics of copper‐oxide superconductors journal July 1993
Disruption, segregation, and passivation for Pd and noble-metal overlayers on Y Ba 2 Cu 3 O 6.9 journal July 1988
Diamondlike carbon films as protective coatings for superconducting YBa 2 Cu 3 O 7 films journal August 1993
Thermosetting epoxy as a moisture-resistant coating for YBa2Cu3O7 journal June 1990

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Related Subjects

/505/427/
applying
article
based
below
ceramic
ceramic superco
ceramic superconductor
ceramic superconductors
coating
compressive
compressive stress
compressive stresses
continuous
diffusion
dispersion
drying
enhance
establish
form
fracture
fracture strength
glass
glass coating
glass melt
glass melting
glass powder
heating
lead
lead oxide
manufacture
melting
method
onset
oxide
oxygen
oxygen diffusion
powder
powders
preparing
sealed
sealed glass
solution
strength
stresses
superconductor
superconductors
temperature
temperature ceramic
temperature superconductor
temperatures
temperatures below