Development of multi-ferroic actuator/sensor material and device for intelligent/smart technology - Baisc design and experimantal verification-

Yasubumi Furuya, Teiko Okazaki

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Technical importance of multi-ferroic approach for designing advanced multi-functional actuator/sensors based on a mutual coupling effect between ferroic material elements is pointed out for intelligent/smart technology. Two types of multi-ferroic actuator/sensor devices/i.e. (1) magnetically driven composite actuator and (2) multi-functional surface acoustic wave (SAW) sensor by MEMS are presented. First, a large-scale robust composite actuator is the composite structure which is reinforced by the superelastic fiber or lamellar of shape memory alloys (TiNi) in the ferromagnetic metal (Ni) matrix. This multi-ferroic composite can be driven with high speed as well as considerably enhanced strain by applying a wireless magnetic field. Secondarily, multi-functionally designed, multi-ferroic senor device using surface acoustic wave (SAW) is introduced. On the surface part between IDTs, environmentally active material films such as SMA, FSMA, magnetostrictive alloy etc. are formed by magnetron-sputtering. Various environmental sensing parameters i.e. temperature, magnetic field strength, stress, loading hysteresis and internal damage etc. can be evaluated nondestructively from the signal analysis of amplitude and phase change of SAW. Consequently, these results show the promising new types of multi-functional composite actuator and sensor based on multi-ferroic effect.

Original languageEnglish
Title of host publicationCIMTEC 2008 - Proceedings of the 3rd International Conference on Smart Materials, Structures and Systems - Smart Materials and Micro/Nanosystems
Pages187-194
Number of pages8
Publication statusPublished - 2008 Dec 1
Externally publishedYes
Event3rd International Conference on Smart Materials, Structures and Systems - Smart Materials and Micro/Nanosystems, CIMTEC 2008 - Acireale, Sicily, Italy
Duration: 2008 Jun 82008 Jun 13

Publication series

NameCIMTEC 2008 - Proceedings of the 3rd International Conference on Smart Materials, Structures and Systems - Smart Materials and Micro/Nanosystems
Volume54

Other

Other3rd International Conference on Smart Materials, Structures and Systems - Smart Materials and Micro/Nanosystems, CIMTEC 2008
CountryItaly
CityAcireale, Sicily
Period08/6/808/6/13

Keywords

  • Composite actuator
  • Multi-ferroic effect
  • Multifunctional material
  • SAW device sensor
  • Smart materials

ASJC Scopus subject areas

  • Mechanics of Materials
  • Materials Science(all)

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