Eddy Current Measurements of the New High TC Ceramic Superconductors

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1989
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Telschow, K.
Kunerth, D.
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Review of Progress in Quantitative Nondestructive Evaluation
Center for Nondestructive Evaluation

Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.

This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.

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Abstract

The discovery of ceramic superconductor materials which have transition temperatures above that of liquid nitrogen has inspired very active research in this area.These materials have great potential; however, there are many technique problems with fabricating them in useful forms.A major problem is that most fabrication schemes produce consolidated forms with relatively low critical currents.Successful fabrication of these materials requires a means of measuring the critical parameters in ways that can be used for process monitoring and control.In particular, the superconducting critical parameters (critical temperature TC; current, JC; and magnetic field, HC) need to be measured in a nondestructive manner, preferably with a noncontacting, imaging technique.Accomplishing this goal is a new challenge to the NDE community.This paper is a beginning to the process of developing appropriate NDE diagnostic tools for these superconductors.

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Sun Jan 01 00:00:00 UTC 1989