16 May 2005 Effective magnetic properties of Fe-NiTi (FSMA) particulate composite
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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.
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S. Gururaja, S. Gururaja, M. Taya, M. Taya, H. Nakayama, H. Nakayama, Y. S. Kang, Y. S. Kang, A. Kawasaki, A. Kawasaki, Y. Sutou, 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); doi: 10.1117/12.600194; https://doi.org/10.1117/12.600194
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