Martensite variant reorientation of NiMnGa/silicone composites containing polystyrene foam particles

Yui Watanabe, Motoki Okuno, Yoshinaka Shimizu, Hiroyasu Kanetaka, Tomonari Inamura, Hideki Hosoda

研究成果: Conference contribution

2 被引用数 (Scopus)

抄録

Effect of elastic modulus of matrix on ferromagnetic motion of NiMnGa particles was investigated for NiMnGa particles embedded silicone matrix composites with or without containing polystyrene form particles (PFPs), which are regarded as pores. NiMnGa single crystal was fabricated by a floating zone method and a cube-shape particle was fabricated with the surface orientation parallel to [100], [010] and [001] directions at the parent phase state. The elastic modulus of matrix polymer was controlled by changing the number of PFPs. It was found that the elastic modulus of silicone was decreased with increasing the volume fraction of PFPs. The magnetic-field-induced martensite variant reorientation (MVR) was evaluated by the magnetization curves obtained using a vibration sample magnetometer, and the magnetic field required for the start of martensite variant reorientation was reduced by increasing the number of PFPs. The control of elastic modulus of matrix polymer is important and a dominant factor for the magnetic motion of NiMnGa/polymer composites.

本文言語English
ホスト出版物のタイトルTHERMEC 2011 Supplement
ページ645-650
ページ数6
DOI
出版ステータスPublished - 2012
イベント7th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC'2011 - Quebec City, QC, Canada
継続期間: 2011 8 12011 8 5

出版物シリーズ

名前Advanced Materials Research
409
ISSN(印刷版)1022-6680

Other

Other7th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC'2011
国/地域Canada
CityQuebec City, QC
Period11/8/111/8/5

ASJC Scopus subject areas

  • 工学(全般)

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