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首页> 外文期刊>Japanese journal of applied physics >Investigation of power generation mechanism and anisotropy of Fe-Ga magnetostrictive alloy single crystal based on magnetic domain observations
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Investigation of power generation mechanism and anisotropy of Fe-Ga magnetostrictive alloy single crystal based on magnetic domain observations

机译：基于磁畴观测的Fe-Ga磁致伸缩合金单晶发电机制和各向异性研究

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摘要

Recent developments in the field of vibration-based power generators have highlighted the advantages of using Fe-Ga alloys; these are excellent-magnetostrictive materials having good mechanical properties, which makes them well suited for use as magnetostrictive elements. A rectangular Fe-Ga element oriented along the 100 direction in a U-shaped unimorph device produces a higher power generation efficiency than samples with other orientations such as 110 and 111 . The crystal growth direction of the ingots and plane orientation of the elements have a minimal effect on the power-generation efficiency. The observations of the magnetic domain and elastic properties suggest that the anisotropy in power generation is attributable to the anisotropic magnetic and elastic properties of the Fe-Ga alloy. Thus, a high-performance, vibration-based power generator using the Fe-Ga alloy should be fabricated using elements with a 100 orientation, cut from a single-crystal Fe-Ga ingot. (C) 2019 The Japan Society of Applied Physics
机译：基于振动的发电机领域的最新进程突出了使用Fe-Ga合金的优点;这些是具有良好机械性能的优异磁致伸缩材料，这使得它们适合用作磁致伸缩元件。沿U形单身统计装置中的<100>方向定向的矩形Fe-Ga元件产生比具有其他取向的样品更高的发电效率，例如<110>和<111。元素的晶晶和平面取向的晶体生长方向对发电效率具有最小的影响。磁性域和弹性性质的观察结果表明发电中的各向异性可归因于Fe-Ga合金的各向异性磁性和弹性性质。因此，应使用具有<100>取向的元件来制造使用Fe-Ga合金的高性能，使用Fe-Ga合金，从单晶Fe-Ga锭切割。 （c）2019年日本应用物理学会

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    《Japanese journal of applied physics》 |2019年第10期|106508.1-106508.7|共7页
  • 作者

    Takahashi Takumi; Simura Rayko; Fujieda Shun; Kawamata Toru; Suzuki Shigeru; Fukuda Tsuguo;

  • 作者单位

    Tohoku Univ Inst Multidisciplinary Res Adv Mat Aoba Ku 2-1-1 Katahira Sendai Miyagi 9808577 Japan;

    Tohoku Univ Inst Multidisciplinary Res Adv Mat Aoba Ku 2-1-1 Katahira Sendai Miyagi 9808577 Japan;

    Tohoku Univ Inst Multidisciplinary Res Adv Mat Aoba Ku 2-1-1 Katahira Sendai Miyagi 9808577 Japan|Osaka Univ Grad Sch Engn 2-1 Yamadaoka Suita Osaka 5650871 Japan;

    Tohoku Univ Inst Multidisciplinary Res Adv Mat Aoba Ku 2-1-1 Katahira Sendai Miyagi 9808577 Japan|Tohoku Univ Inst Mat Res Aoba Ku 2-1-1 Katahira Sendai Miyagi 9808577 Japan;

    Tohoku Univ Inst Multidisciplinary Res Adv Mat Aoba Ku 2-1-1 Katahira Sendai Miyagi 9808577 Japan|Tohoku Univ Micro Syst Integrat Ctr Aoba Ku 519-1176 Aramaki Aza Aoba Sendai Miyagi 9800845 Japan;

    Fukuda Crystal Lab Co Ltd Aoba Ku 6-6-3 Minami Yoshinari Sendai Miyagi 9803204 Japan;

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