Effective magnetic properties of Fe-NiTi (FSMA) particulate composite

S. Gururaja; M. Taya; H. Nakayama; Y. S. Kang; A. Kawasaki; Y. Sutou

doi:10.1117/12.600194

16 May 2005 Effective magnetic properties of Fe-NiTi (FSMA) particulate composite

S. Gururaja, M. Taya, H. Nakayama, Y. S. Kang, A. Kawasaki, Y. Sutou

Proceedings Volume 5761, Smart Structures and Materials 2005: Active Materials: Behavior and Mechanics; (2005) https://doi.org/10.1117/12.600194
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2005, San Diego, California, United States

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.

Citation Download Citation

S. Gururaja, M. Taya, H. Nakayama, Y. S. Kang, A. Kawasaki, and Y. Sutou "Effective magnetic properties of Fe-NiTi (FSMA) particulate composite", Proc. SPIE 5761, Smart Structures and Materials 2005: Active Materials: Behavior and Mechanics, (16 May 2005); https://doi.org/10.1117/12.600194

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