| 磁性形状记忆合金Ni54Mn21Ga24.75Sm0.25的马氏体相变研究 |
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| 引用本文： | 吴双霞,赵增祺,熊玮,江丽萍,郝洪波.磁性形状记忆合金Ni54Mn21Ga24.75Sm0.25的马氏体相变研究[J].金属功能材料,2006,13(6):1-3. |
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| 作者姓名： | 吴双霞 赵增祺 熊玮 江丽萍 郝洪波 |
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| 作者单位： | 包头稀土研究院,内蒙古,包头,014010;包头稀土研究院,内蒙古,包头,014010;包头稀土研究院,内蒙古,包头,014010;包头稀土研究院,内蒙古,包头,014010;包头稀土研究院,内蒙古,包头,014010 |
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| 摘 要： | 本文通过内耗和交流磁化率，研究了多晶合金Ni54Mn21Ga25的马氏体相变特征，分析了稀土元素Sm对合金中间马氏体相变影响。研究结果表明，添加Sm使合金Ni54Mn21Ga24的马氏体相变温度提高到室温以上，并且降低了合金的温度滞后，在低磁场下Sm对合金磁感生应变影响不大。
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| 关 键 词： | Ni-Mn-Ga合金 稀土 马氏体相变 内耗 |
| 文章编号： | 1005-8192(2006)06-0001-03 |
| 收稿时间： | 2006-07-17 |
| 修稿时间： | 2006年7月17日 |
Martensitic Transformation in Ni54Mn21Ga24.75Sm0.25 Magnetic Shape Memory Alloy |
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| WU Shuang-xia,ZHAO Zeng-qi,XIONG Wei,JIANG Li-ping,HAO Hong-bo.Martensitic Transformation in Ni54Mn21Ga24.75Sm0.25 Magnetic Shape Memory Alloy[J].Metallic Functional Materials,2006,13(6):1-3. |
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| Authors: | WU Shuang-xia ZHAO Zeng-qi XIONG Wei JIANG Li-ping HAO Hong-bo |
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| Affiliation: | Baotou Research institute of Rare Earths, Baotou 014010, China |
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| Abstract: | Martensitic transformation was investigated in a polycrystalline alloy Ni54 Mn21Ga25.The influences of rare earth Sm on the martensitic transformation and magnetic properties of Ni54Mn21Ga25Sm0.25 alloy were analyzed. The experimental results show that martensitic transformation temperature was increased to above room temperure ,temperature hysteresis was decreased and magnetic-field-induced strain was not changed by addition of Sin. |
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| Keywords: | Ni-Mn-Ga alloy rare earth martensitic transformation internal friction |
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