JP3964360B2 - 磁場応答アクチュエーターあるいは磁性利用センサーに用いる強磁性形状記憶合金 - Google Patents
磁場応答アクチュエーターあるいは磁性利用センサーに用いる強磁性形状記憶合金 Download PDFInfo
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- JP3964360B2 JP3964360B2 JP2003270390A JP2003270390A JP3964360B2 JP 3964360 B2 JP3964360 B2 JP 3964360B2 JP 2003270390 A JP2003270390 A JP 2003270390A JP 2003270390 A JP2003270390 A JP 2003270390A JP 3964360 B2 JP3964360 B2 JP 3964360B2
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- shape memory
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Description
t1 :冷間圧延前の厚さ(mm)
t2 :冷間圧延後の厚さ(mm)
幅5mm,長さ5mm,厚さ2mmの試験片に歪みゲージを付けて、3Tの磁場を加えたときの歪み量をマルテンサイト変態終了温度直下で測定した。歪み量が 0.1%以上を良(○),0.05%以上〜 0.1%未満を可(△),0.05%未満を不可(×)として評価した。その結果を表1,2,3に併せて示す。
εd :変形させた後の表面歪み
εr :回復させた時の表面歪み
発明例5,7,8,10は、fcc相を2相化することにより冷間圧延性に優れた材料となる。
Claims (2)
- Gaを20〜32原子%、 Feを15〜45原子%含有し、 残部がNiおよび不可避的不純物からなる組成と、bcc基規則構造のオーステナイト相からなる単相組織またはbcc基規則構造のオーステナイト相とfcc構造の不規則相とからなる2相組織とを有することを特徴とする強磁性形状記憶合金。
- 前記組成に加えてCuを 0.1〜3原子%、 Siを0.05〜2原子%およびGeを0.05〜2原子%の中から選ばれる1種を含有することを特徴とする請求項1に記載の強磁性形状記憶合金。
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JP2003270390A JP3964360B2 (ja) | 2002-07-16 | 2003-07-02 | 磁場応答アクチュエーターあるいは磁性利用センサーに用いる強磁性形状記憶合金 |
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JP2002206406 | 2002-07-16 | ||
JP2003270390A JP3964360B2 (ja) | 2002-07-16 | 2003-07-02 | 磁場応答アクチュエーターあるいは磁性利用センサーに用いる強磁性形状記憶合金 |
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JP2007118760A Division JP2007211350A (ja) | 2002-07-16 | 2007-04-27 | 磁場応答アクチュエーターあるいは磁性利用センサーに用いる強磁性形状記憶合金 |
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JP2004052109A JP2004052109A (ja) | 2004-02-19 |
JP3964360B2 true JP3964360B2 (ja) | 2007-08-22 |
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JP2003270390A Expired - Lifetime JP3964360B2 (ja) | 2002-07-16 | 2003-07-02 | 磁場応答アクチュエーターあるいは磁性利用センサーに用いる強磁性形状記憶合金 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007211350A (ja) * | 2002-07-16 | 2007-08-23 | Kiyohito Ishida | 磁場応答アクチュエーターあるいは磁性利用センサーに用いる強磁性形状記憶合金 |
JP5215855B2 (ja) * | 2006-08-23 | 2013-06-19 | 独立行政法人科学技術振興機構 | Fe基合金及びその製造方法 |
CN100417739C (zh) * | 2007-06-29 | 2008-09-10 | 北京航空航天大学 | 一种钴镍铁镓形状记忆合金材料 |
CN101654759B (zh) * | 2008-08-19 | 2011-09-21 | 北京麦格东方材料技术有限公司 | 一种磁致伸缩材料及其制备方法 |
CN108085564B (zh) * | 2017-12-20 | 2019-06-18 | 杭州凯尔达电焊机有限公司 | 一种磁场驱动形变的记忆合金及其制备方法 |
CN115369288B (zh) * | 2022-08-14 | 2023-05-26 | 南昌航空大学 | 一种双相Ni-Mn-Ga形状记忆合金及其制备方法 |
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2003
- 2003-07-02 JP JP2003270390A patent/JP3964360B2/ja not_active Expired - Lifetime
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JP2004052109A (ja) | 2004-02-19 |
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