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采用真空非自耗电弧炉熔炼, 然后进行固溶处理制备了Mn70Fe30-xCox (x=0,2,4) 试样. 运用X射线衍射分析、显微组织分析、差示扫描量热法 (DSC)、标准电阻应变计法等实验方法, 研究了添加Co 对Mn-Fe合金的磁诱发应变 (magnetic-field-induced strain, MFIS) 性能的影响. 研究表明, Mn70Fe30-xCox (x=0,2,4)试样在室温下为单一的相组织. 随着Co含量的增加, Mn70Fe30-xCox (x=0,2,4)试样的磁性转变温度TN (Neel点) 呈降低的趋势, 但都高于室温, 在室温下呈现反铁磁性; Mn70Fe30-xCox (x=0,2,4) 试样的最大磁诱发应变也呈增加的趋势. Mn70Fe26Co4试样的MFIS 在1.1 T时达到60 ppm.Mn70Fe30-xCox (x=0, 2, 4) alloys were prepared using non-consumable vacuum arc furnace smelting followed by subsequently solution treatment. The effect of Co content on the property of magnetic-field-induced strain (MFIS) was studied by means of X-ray diffraction (XRD), photomicrograph, differential scanning calorimetry (DSC), and resistance strain gauge method. Result shows that Mn70Fe30-xCox (x=0, 2, 4) alloys are of singe phase at room temperature. With the increase of Co content, the Nel temperatures of alloys decrease, which are all higher than room temperature, i.e., the alloys exhibit antiferromagnetic austenite microstructure at room temperature after quenching from high temperatures. Alloys possess much larger MFIS with the increase of Co content, and taking Mn70Fe26Co4 as an example, when the magnetic field strength is 1.1 T, the MFIS is at its maximum, 610-5.
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Keywords:
- MnFe alloy /
- Co /
- magnetic-field-induced strain
[1] Deng H M 2001 Ph. D. Dissertation (Shanghai: Shanghai Jiaotong University) (in Chinese) [邓华铭 2001 博士学位论文 (上海: 上海交通大学)]
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[3] Nittono O, Satoh T, Koyama Y 1981 Trans. Jpn. Inst. Met. 22 225
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[12] Peng W Y 2006 Ph.D. Dissertation (Shanghai: Shanghai Jiaotong University) (in Chinese) [彭文屹 2006 博士学位论文 (上海: 上海交通大学)]
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[14] Peng W Y, Zhang J H, Chen S P, Hsu T Y 2005 Appl. Phys. Lett. 86 022506
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[16] Peng W Y, Wang X Y, Zhang J J, Zhang J H 2006 Appl. Phys. Lett. 99 033908
[17] Zhang J H, Peng W Y, Lu P, Hsu T Y 2004 Phys. Stat. Sol. 1 1772
[18] Zhang J J, Peng W Y, Zhang J H 2006 J. Funct. Mater. 12 1917 (in Chinese) [张金金, 彭文屹, 张骥华 2006 功能材料 12 1917]
[19] Makhurane P, Gaunt P 1969 J. Phys. C: Solid. State. Phys. 2 959
[20] Kennedy S J, Hicks T J 1987 J Phys F: Met. Phys. 17 1599
[21] Peng W Y, Qin J, Zhang A S, Yan M M 2004 Acta Phys. Sin. 53 8244 (in Chinese) [彭文屹, 覃金, 章爱生, 严明明 2004 物理学报 53 8244]
[22] Peng W Y, Qin J, Yan M M 2010 J. Magn. Mater. Dev. 8 27 (in Chinese) [彭文屹, 覃金, 严明明 2010 磁性材料及器件 8 27]
[23] Han Z D 2009 J. Changshu Instisute Techno. (Natural Science) 23 19 (in Chinese) [韩志达 2009 常熟理工学院学报 (自然科学) 23 19]
[24] Deng H M, Zhong Z Y, Zhang J H, Chen S C 2002 J. Shanghai Jiaotong University 36 28 (in Chinese) [邓华铭, 钟志源, 张骥华 2002 上海交通大学学报 36 28]
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[1] Deng H M 2001 Ph. D. Dissertation (Shanghai: Shanghai Jiaotong University) (in Chinese) [邓华铭 2001 博士学位论文 (上海: 上海交通大学)]
[2] Vintaykin Y Z, Sakhno V M, Udovnko V A 1978 Phys.Met.Metall. 46 161
[3] Nittono O, Satoh T, Koyama Y 1981 Trans. Jpn. Inst. Met. 22 225
[4] Nosova G, Vintaikin E 1999 Scripta Mater. 40 347
[5] Wang X Y, Peng W Y, Zhang J H 2006 Mater. Sci. Engin. A 438-440 194
[6] Peng W Y, Zhang J H 2006 Appl. Phys. Lett. 89 262501
[7] Xu Y W 2008 M. S. Dissertatio (Zhejiang: Zhejiang University) (in Chinese) [许云伟 2008 硕士学位论文 (浙江: 浙江大学)]
[8] Zhang J, Peng W Y, Guo Q Y, Chen S F 2012 Hot Working Techno. 41 186 (in Chinese) [张健, 彭文屹, 郭启云, 陈水发 2012 热加工工艺 41 186]
[9] Chikazumi S, (Translated by Yang Y S, Han J D) 1948 Magnetic Manual (Volume 2) (Beijing: Metallurgical Industry Press) p186 (in Chinese) [近角聪信等编 杨英善, 韩俊德译 1948 磁性体手册(中册) (北京: 冶金工业出版社) 第186页]
[10] Morito H, Oikawa K, Fujita A, Fukamichi K, Kainuma R, Ishida K, Takagi T 2005 J. Magn. Mater. 290-291 850
[11] Liu G D, Wang X Q, Dai X F, Liu Z H, Yu S Y, Chen J L, Wu G H 2006 Acta Phys. Sin. 55 4883 (in Chinese) [刘国栋, 王新强, 代学芳, 柳祝红, 于淑云, 陈京兰, 吴光恒 2006 物理学报 55 4883]
[12] Peng W Y 2006 Ph.D. Dissertation (Shanghai: Shanghai Jiaotong University) (in Chinese) [彭文屹 2006 博士学位论文 (上海: 上海交通大学)]
[13] Yin F X, Ohsawa Y, Sato A, Kawahara K 2000 Acta Mater. 48 1273
[14] Peng W Y, Zhang J H, Chen S P, Hsu T Y 2005 Appl. Phys. Lett. 86 022506
[15] Wang X Y, Peng W Y, Rong Y H, Zhang J H 2005 J. Chin. Electr. Microsc. Soc. 24 286 (in Chinese) [王晓宇, 彭文屹, 戎咏华, 张骥华 2005 电子显微学报 24 286]
[16] Peng W Y, Wang X Y, Zhang J J, Zhang J H 2006 Appl. Phys. Lett. 99 033908
[17] Zhang J H, Peng W Y, Lu P, Hsu T Y 2004 Phys. Stat. Sol. 1 1772
[18] Zhang J J, Peng W Y, Zhang J H 2006 J. Funct. Mater. 12 1917 (in Chinese) [张金金, 彭文屹, 张骥华 2006 功能材料 12 1917]
[19] Makhurane P, Gaunt P 1969 J. Phys. C: Solid. State. Phys. 2 959
[20] Kennedy S J, Hicks T J 1987 J Phys F: Met. Phys. 17 1599
[21] Peng W Y, Qin J, Zhang A S, Yan M M 2004 Acta Phys. Sin. 53 8244 (in Chinese) [彭文屹, 覃金, 章爱生, 严明明 2004 物理学报 53 8244]
[22] Peng W Y, Qin J, Yan M M 2010 J. Magn. Mater. Dev. 8 27 (in Chinese) [彭文屹, 覃金, 严明明 2010 磁性材料及器件 8 27]
[23] Han Z D 2009 J. Changshu Instisute Techno. (Natural Science) 23 19 (in Chinese) [韩志达 2009 常熟理工学院学报 (自然科学) 23 19]
[24] Deng H M, Zhong Z Y, Zhang J H, Chen S C 2002 J. Shanghai Jiaotong University 36 28 (in Chinese) [邓华铭, 钟志源, 张骥华 2002 上海交通大学学报 36 28]
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