Modeling of Ferromagnetic Shape Memory Alloy Composite Material and Application to Magnetic Drive Actuator

铁磁形状记忆合金复合材料建模及其在磁驱动执行器中的应用

• 批准号: 17560125
• 负责人: KUSAKA Masahiro
• 金额: $ 2.37万
• 依托单位: University of Hyogo
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2005
• 资助国家: 日本
• 起止时间: 2005 至 2007
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17560125/
• 关键词: Shape Memory Alloy; Ferromagnetic Material; Superelastic; Composite Material; Large Deformation Analysis; Modeling; Coil Spring; Friction Welding; 変形挙動

In this study, it was examined to apply the ferromagnetic shape memory alloy composite to a magnetic drive actuator. The method of the superelastic deformation analysis of the composite plate, the coiled spring was examined, and decided the composed materials and the optimization shape from the obtained results. Next, the magneto-structural coupled analysis was carried out, and the shape to obtain large deformation by smaller magnetic force was discussed. Moreover, the friction welding was examined as a manufacturing method of the composite.The main results obtained are as follows.1) To analyze the actual superelastic phenomenon, the thermomechanical constitutive equation of the shape memory alloy was corrected. The optimization composite plate shape and the selection guide of both materials were proposed.2) The strain distribution in the coiled spring was derived based on a geometrical condition, and the change in the coiled spring geometry in the large deformation region was clarified. Then it proposed the analytical method of the load-displacement relation in the large deformation region of the coiled spring.3) The magneto-structural coupled analysis was carried out, and the optimum thickness ratio and the length ratio of the composite were investigated. As a result, it was found that the optimum thickness ratio is 0.4 and the optimum length ratio is 0.6. In addition, it become clear that one layer connected composite plate is more suitable than two layer composite plate as actuator.4) The low heat input friction welding method was developed as a manufacturing method of the composite, and the method of predicting the initial torque time that was the friction welding end time from the friction welding condition by the FEM analysis was examined. As a result, an initial torque and the initial torque time were predictable from the friction welding condition.

在这项研究中，它被检查，将铁磁形状记忆合金复合材料的磁驱动执行器。对复合材料板、螺旋弹簧的超弹性变形分析方法进行了研究，并根据分析结果确定了复合材料的组成材料和最佳形状。接着，进行磁-结构耦合分析，并讨论了以较小的磁力获得大变形的形状。此外，还对摩擦焊接作为复合材料的制造方法进行了研究，主要结果如下：1）为了分析实际的超弹性现象，对形状记忆合金的热力学本构方程进行了修正。基于几何条件推导了螺旋弹簧的应变分布规律，阐明了螺旋弹簧在大变形区域的几何变化规律。提出了螺旋弹簧大变形区载荷-位移关系的解析方法。3）进行了磁-结构耦合分析，研究了复合材料的最佳厚度比和长度比。结果，发现最佳厚度比为0.4，最佳长度比为0.6。此外，单层连接的复合材料板比双层连接的复合材料板更适合作为驱动器。4）开发了低热输入摩擦焊接方法作为复合材料的制造方法，并通过有限元分析，检验了从摩擦焊接条件预测初始扭矩时间即摩擦焊接结束时间的方法。结果，初始扭矩和初始扭矩时间可从摩擦焊接条件预测。

项目成果

Superelastic Behaviour Analysis of Composite Plate Composed of Shape Memory Alloy and Ferromagnetic Material

形状记忆合金与铁磁材料复合板的超弹性行为分析

• 发表时间: 2005
• 作者: Yasuaki;TAKEDA
• 通讯作者: TAKEDA

強磁性形状記憶合金複合材料および前記材料を組み込んだアクチュエータの設計

铁磁形状记忆合金复合材料及包含该材料的致动器的设计

• 发表时间: 2006

Analysis of Friction Torque and Welded Interface Temperature during Friction Welds

摩擦焊过程中的摩擦扭矩和焊接界面温度分析

• 发表时间: 2007
• 作者: Haruo;INOUE
• 通讯作者: INOUE

強磁性材料と形状記憶合金から成るコイルバネの大変形解析

铁磁材料和形状记忆合金螺旋弹簧的大变形分析

• 发表时间: 2006
• 期刊: 日本機械学会関西学生会卒業研究発表講演会講演前刷集
• 作者: 諌山直生;瀬尾健二;日下正広;木村真晃
• 通讯作者: 木村真晃

摩擦圧接過程中の摩擦トルク、圧接面温度シミュレーション

摩擦焊接过程中的摩擦扭矩和压力焊接表面温度模拟

• 发表时间: 2007
• 作者: 井上 晴雄;瀬尾 健二;日下 正広;木村 真晃
• 通讯作者: 木村 真晃