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Fabrication of Large Bulk High Temperature Superconducting ArticlesA method of fabricating large bulk high temperature superconducting articles which comprises the steps of selecting predetermined sizes of crystalline superconducting materials and mixing these specific sizes of particles into a homogeneous mixture which is then poured into a die. The die is placed in a press and pressurized to predetermined pressure for a predetermined time and is heat treated in the furnace at predetermined temperatures for a predetermined time. The article is left in the furnace to soak at predetermined temperatures for a predetermined period of time and is oxygenated by an oxygen source during the soaking period.
Document ID
20040013344
Acquisition Source
Marshall Space Flight Center
Document Type
Other - Patent
Authors
Ronald Koczor
Robert A Hiser
Date Acquired
August 21, 2013
Publication Date
November 25, 2003
Subject Category
Mechanical Engineering
Report/Patent Number
NASA-Case-MFS-31380-1
Funding Number(s)
OTHER: H-27774D
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-Patent-6,653,259
Patent Application
US-Patent-Appl-SN-028295

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