A MICROMECHANICS-BASED THERMODYNAMIC MODEL FOR MARTENSITIC VARIANT REORIENTATION IN MAGNETIC SHAPE MEMORY ALLOYS

摘要：

In this paper, combined the micromechanical and the thermodynamic theory, a constitutive model for magnetic shape memory alloys is developed. The model is applied to a NiMnGa single-crystal specimen under a constant compressive axial stress. Model predictions of magnetic field-reorientation strain hysteresis loops under different applied stresses are discussed. The theoretical results are found to be in general agreement with experimental data.

作者: Yuping Zhu Guansuo Dui

作者单位: Institute of Mechanics, Beijing Jiaotong University, Beijing 100044, P. R. China.

会议类型: 国际会议

会议名称: 第九届工程结构完整性国际会议(The Ninth International Conference on Engineering Structural Integrity Assessment)

会议地点: 北京

会议语种:英文

在线出版日期: 2007-10-15（万方平台首次上网日期，不代表论文的发表时间）