Detecting the Onset of Swelling in High Temperature Ceramic BiSrCaCuO Superconductors during Sintering
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Authors
Dolhay, Kevin T.
Issue Date
1993
Type
Thesis
Language
en_US
Keywords
Alternative Title
Abstract
Superconductors are electrical conductors that have the property of
carrying large amounts of current at very low temperatures (around 5-10K).
These materials must undergo an intensive heating process called sintering
that gives the materials these superconducting characteristics. Sintering may
also cause an expansion within the tapes, referred to as "swelling", that can
damage the super conducting qualities of the material. The following paper is
intended to give a brief overview of superconductors and their manufacture,
and emphasize on detecting the swelling of high temperature
superconductors. The intention is to pinpoint the exact temperature of
swelling and correlate this to the mechanical processes involved in the
fabrication of these different tapes.
Fundamental physical properties of superconductors have been
included to reinforce the need for finding the exact temperature of swelling
and to give the reader a short background on superconductivity, however,
explanation of actual physical behavior of superconductors has been omitted
due to the complexity behind these interactions. Procedures for fabricating
the superconducting tapes have also been included due to their actual
implementation as part of the project and due to its influence on the final
superconducting characteristics of the tapes.
Description
v, 36 p.
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