U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PUBLICATIONS

Elastic Stiffnesses of an Nb-Ti/Cu-Composite Superconductive Wire

Published

Author(s)

Sudook A. Kim, H M. Ledbetter, H Ogi

Abstract

Elastic-stiffness coefficients were determined on a 1.4-mm-diameter wire consisting of superconducting Nb-Ti fibers in a copper matrix, with a polyvinyl-resin coating. The matrix contained 324 Nb-Ti fibers. An electromagnetic-acoustic-resonance method was used to obtain five independent elastic-stiffness coefficients assuming transverse-isotropic symmetry. From these we calculated Young moduli, bulk modulus, and principal Poisson ratios. As a check, we used a mechanical-impulse-excitation method to directly measure the Young modulus in the fiber direction. The three-phase composite wire showed a 10% anisotropy in the Young modulus.
Citation
Journal of Applied Physics
Volume
88
Issue
No. 5
Pub Type
Journals

Keywords

copper matrix, elastic-stiffness coefficients, polyvinyl-resin coating

Citation

Kim, S. , Ledbetter, H. and Ogi, H. (2000), Elastic Stiffnesses of an Nb-Ti/Cu-Composite Superconductive Wire, Journal of Applied Physics (Accessed May 7, 2025)

Issues

If you have any questions about this publication or are having problems accessing it, please contact reflib@nist.gov.

Created September 1, 2000, Updated February 17, 2017