Inverse magnetostrictive characteristics of Fe-Co composite materials using gas-nitriding process

Kenya Nakajima; Zhenjun Yang; Fumio Narita

doi:10.1117/12.2296496

22 March 2018 Inverse magnetostrictive characteristics of Fe-Co composite materials using gas-nitriding process

Kenya Nakajima, Zhenjun Yang, Fumio Narita

Proceedings Volume 10596, Behavior and Mechanics of Multifunctional Materials and Composites XII; 105961E (2018) https://doi.org/10.1117/12.2296496
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2018, Denver, Colorado, United States

Abstract

The inverse magnetostrictive response, known as the Villari effect, of magnetostrictive materials is a change in magnetization due to an applied stress. It is commonly used for sensor applications. This work deals with the inverse magnetostrictive characteristics of Fe-Co bimetal plates that were subjected gas-nitriding process. Gas-nitriding was performed on bimetal plates for 30 min at 853 K as a surface heat treatment process. The specimens were cooled to room temperature after completing the nitriding treatment. Three-point bending tests were performed on the plates under a magnetic field. The changes on the magnetic induction of the plates due to the applied load are discussed. The effect of the nitriding treatment on the inverse magnetostrictive characteristics, magnetostrictive susceptibility, and magnetic hysteresis loop was examined. Our work represents an important step forward in the development of magnetostrictive sensor materials.

Conference Presentation

Citation Download Citation

Kenya Nakajima, Zhenjun Yang, and Fumio Narita "Inverse magnetostrictive characteristics of Fe-Co composite materials using gas-nitriding process", Proc. SPIE 10596, Behavior and Mechanics of Multifunctional Materials and Composites XII, 105961E (22 March 2018); https://doi.org/10.1117/12.2296496

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