%0 Journal Article
%T Characterization of preferential orientation of martensitic variants in Ni52Mn24Ga24 single crystal<br>单晶Ni52Mn24Ga24中马氏体变体择优取向的物理表征
%A 崔玉亭
%A 胡海宁
%A 刘国栋
%A 代学芳
%A 柳祝红
%A 张铭
%A 陈京兰
%A 吴光恒
%A 孟凡斌
%A 阎丽琴
%A 曲静萍
%A 李养贤
%J 物理学报
%D 2004
%I 
%X 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.
%K martensitic transformation
%K preferential orientation
%K internal stress
%K magnetic field-induced strain(MFIS)<br>马氏体相变
%K 择优取向
%K 内应力
%K 磁感生应变
%K 相变应变
%K 磁畴分布
%K 铁磁形状记忆合金
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=2E823E05C033B423&yid=D0E58B75BFD8E51C&vid=8E6AB9C3EBAAE921&iid=94C357A881DFC066&sid=CFB9125E4BCA3130&eid=0049ED447A3A3206&journal_id=1000-3290&journal_name=物理学报&referenced_num=2&reference_num=12