Cart (Loading....) | Create Account
Close category search window
 

Correlation Between Pressure Dependence of Critical Temperature and the Reversible Strain Effect on the Critical Current and Pinning Force in \hbox {Bi}_{2}\hbox {Sr}_{2} \hbox {CaCu}_{2}\hbox {O}_{8 + x} Wires

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

7 Author(s)
Lu, X.F. ; Nat. Inst. of Stand. & Technol., Boulder, CO, USA ; Goodrich, L.F. ; van der Laan, D.C. ; Splett, J.D.
more authors

Bi2Sr2CaCu2O8+x round wires are among the most promising high-temperature superconductor candidates for making high-field magnets that operate at fields above 20 T. Owing to the brittle nature of high-temperature superconductors, their electromechanical properties need to be studied and understood prior to magnet design and construction. The irreversible degradation of the critical current at high strains has been previously correlated to damage in the microstructure of the superconductor. The origin of the much smaller reversible strain dependence of the superconducting properties of Bi2Sr2CaCu2 O8+x wires has not yet been studied in detail. In this paper, we determine the cause of the reversible effect of strain on the pinning force and the critical current at temperatures ranging from 4 K to 65 K. Measurements were made as a function of tensile strain in magnetic fields up to 16 T. The irreversibility fields, determined from the macroscopic pinning force at various temperatures and strains, and the critical temperature of the Bi2Sr2CaCu2O8+x wire were found to be strain dependent. The reversible change in critical current and pinning force in Bi2Sr2CaCu2O8+x superconducting wires can be solely attributed to the dependence of the critical temperature on pressure.

Published in:

Applied Superconductivity, IEEE Transactions on  (Volume:22 ,  Issue: 1 )

Date of Publication:

Feb. 2012

Need Help?


IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2014 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.