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单晶Ni52Mn24Ga24中马氏体变体择优取向的物理表征
引用本文:崔玉亭,胡海宁,刘国栋,代学芳,柳祝红,张铭,陈京兰,吴光恒,孟凡斌,阎丽琴,曲静萍,李养贤.单晶Ni52Mn24Ga24中马氏体变体择优取向的物理表征[J].物理学报,2004,53(5):1450-1455.
作者姓名:崔玉亭  胡海宁  刘国栋  代学芳  柳祝红  张铭  陈京兰  吴光恒  孟凡斌  阎丽琴  曲静萍  李养贤
作者单位:[1]中国科学院物理研究所磁学国家重点实验室,北京100080 [2]河北工业大学材料与工程学院,天津300130
基金项目:国家自然科学基金 (批准号 :5 0 13 10 10 )资助的课题~~
摘    要:关键词

关 键 词:马氏体相变  择优取向  内应力  磁感生应变  相变应变  磁畴分布  铁磁形状记忆合金
文章编号:1000-3290/2004/53(05)/1450-06

Characterization of preferential orientation of martensitic variants in Ni52Mn24Ga24 single crystal
Cui Yu-Ting,Hu Hai-Ning,Liu Guo-Dong,Dai Xue-Fang,Liu Zhu-Hong,Zhang Ming,Chen Jing-Lan,Wu Guang-Heng,Meng Fan-Bin,Yan Li-Qin,Qu Jing-Ping,Li Yang-Xian.Characterization of preferential orientation of martensitic variants in Ni52Mn24Ga24 single crystal[J].Acta Physica Sinica,2004,53(5):1450-1455.
Authors:Cui Yu-Ting  Hu Hai-Ning  Liu Guo-Dong  Dai Xue-Fang  Liu Zhu-Hong  Zhang Ming  Chen Jing-Lan  Wu Guang-Heng  Meng Fan-Bin  Yan Li-Qin  Qu Jing-Ping  Li Yang-Xian
Abstract:The preferential orientation of martensitic variants in the single crystal Ni 52Mn 24Ga 24 has been characterized by various methods, such as optical microscopy observation, strain measurement, and magnetic field-induced strain (MFIS). The origin of the spontaneous preferential orientation of variants was attributed to the internal stress with a magnitude of about 2.45 MPa, as calculated based on the experimental data. We found that the preferential orientation of variants produced the anisotropy, different effective elastic constants and distribution of magnetic domain, between two equivalent crystallographic directions of 001] and 010]. The resulting MFIS properties, such as saturated MFIS, saturated field, hysteresis effect and initial magnetic field have been discussed in detail.
Keywords:martensitic transformation  preferential orientation  internal stress  magnetic field-induced strain(MFIS)  
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