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Proceedings Paper

Effective magnetic properties of Fe-NiTi (FSMA) particulate composite
Author(s): S. Gururaja; M. Taya; H. Nakayama; Y. S. Kang; A. Kawasaki; Y. Sutou
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Paper Abstract

Ferromagnetic Shape Memory Alloy (FSMA) particulate composites are processed using Spark Plasma Sintering (SPS) with various weight fractions of NiTi (51 at% Ni) and Fe powders. The magnetic properties of these composite specimens were experimentally evaluated using Vibration Sample Magnetometry (VSM). A model for calculating the effective magnetic properties has been presented in this work where Eshelby's inhomogeneous inclusion method considering Mori-Tanaka's mean field theory for larger concentrations of Fe has been used to predict the effective magnetic properties. The analytical results thus obtained are compared with experimental data resulting in a reasonably good agreement.

Paper Details

Date Published: 16 May 2005
PDF: 9 pages
Proc. SPIE 5761, Smart Structures and Materials 2005: Active Materials: Behavior and Mechanics, (16 May 2005); doi: 10.1117/12.600194
Show Author Affiliations
S. Gururaja, Univ. of Washington (United States)
M. Taya, Univ. of Washington (United States)
H. Nakayama, Univ. of Washington (United States)
Y. S. Kang, Tohoku Univ. (Japan)
A. Kawasaki, Tohoku Univ. (Japan)
Y. Sutou, Tohoku Univ. (Japan)

Published in SPIE Proceedings Vol. 5761:
Smart Structures and Materials 2005: Active Materials: Behavior and Mechanics
William D. Armstrong, Editor(s)

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