INVESTIGATION ON A NEW INTELLIGENT PROPERTIES OF SHAPE MEMORY ALLOY.

形状记忆合金新智能性能研究。

• 批准号: 07650099
• 负责人: TOKUDA Masataka
• 金额: $ 1.47万
• 依托单位: MIE UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1995
• 资助国家: 日本
• 起止时间: 1995 至 1996
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-07650099/
• 关键词: SHAPE MEMORY ALLOY; COMPLEX LOADING; MICRO-MECHNAICAL ANALYSIS; CONSTITUTIVE EQUATIONS; ACTUATOR; INTELLIGENT MATERIALS SYSTEM; ROBOTS; POSITIONING DEVICE; 擬弾性効果; インテリジェント材料; 複合負荷; 履歴依存性; 変態; 逆変態面; 固体アクチュエータ

The pseudoelastic property and shape memory property which are the main features of shape memory alloy were investigated by the precise and systematic experiments under the general thermomechanical loading conditions. That is, the combined loads of axial force and torque were applied to the thin-walled tubular specimen made of shape memory alloy under the change of temperature, and the strain responses were measured for various kinds of thermo-mechanical loading paths. In the results, new interesting behaviors of shape memory alloy could be found, which are useful for engineering/industrial applications of shape memory alloy. For examples, shape memory alloy deforms in three-dimensional way, and this deformation is repeatable, and controlable. That is, the shape memory alloy may be applicable for the element for three-dimesional positioning device. In this case, it is not necessary to employ a complex system composed of many mumber of shape memory wires for the design of robot's arm which behaves smoothly in three-dimensional way. Also, these behaviors were analyzed from microscopic point of view. Finally, a set of constitutive equations for these behaviors was formulated, which are quite useful for the design of actuator, sensor, robots arm, positioning device and so on, by using the shape memory alloy.

在一般的热机械加载条件下，对形状记忆合金的主要特征--伪弹性和形状记忆性能进行了精确而系统的实验研究。即对形状记忆合金制成的薄壁管形试件在温度变化下施加轴向力和扭矩的复合载荷，测量了各种热机械加载路径下的应变响应。研究结果为形状记忆合金的工程应用提供了有益的参考。例如，形状记忆合金以三维方式变形，并且这种变形是可重复的和可控制的。也就是说，形状记忆合金可应用于三维定位装置的元件。在这种情况下，它是没有必要采用一个复杂的系统组成的许多mamps形状记忆线的设计机器人的手臂，在三维方式的行为平滑。并从微观角度对这些行为进行了分析。最后，建立了一组描述这些行为的本构方程，这些本构方程对于形状记忆合金的驱动器、传感器、机械臂、定位装置等的设计具有重要的指导意义。

项目成果

P.SITTNER,M.TOKUDA: ""The Response of SMA Polycrystal to the Combination of External Force and Thermal Changes"" Proc.of MIMR,Sendai, Japan. 427 (1995)

P.SITTNER、M.TOKUDA：“SMA ​​多晶对外力和热变化组合的响应”，MIMR 论文集，日本仙台。

P.SITTNER,Y.HARA,M.TOKUDA: ""Experimental Study on the Thermoelastic Transformation in Shape Memory Polycrystal Induced by Combined External Forces"" Metallurgical and Materials Transaction A. Vol.26A. 2923 (1995)

P.SITTNER、Y.HARA、M.TOKUDA：“联合外力引起的形状记忆多晶热弹性转变的实验研究”《冶金与材料学报》A. Vol.26A。

徳田正孝,イエ・メン: "形状記憶合金の特性のための計算力学" 日本機械学会第9回計算力学講演会講演論文集. NO.96-25. 425-426 (1996)

Masataka Tokuda、Meng Ye：“形状记忆合金性能的计算力学”日本机械工程学会第九届计算力学会议论文集 NO.96-25（1996）。

徳田正孝: "EXPERIMENTAL STUDY ON PERFORMANCES IN Cu-BASED SHAPE MEMORY ALLOY UNDER MULTI-AXIAL LOADING CONDITIONS" Materials Science Research International. 1-4. 260-265 (1995)

Masataka Tokuda：“多轴载荷条件下铜基形状记忆合金性能的实验研究”材料科学研究国际 1-4 (1995)。

Y.HARA,P.SITTNER,M.TOKUDA: "Semi-micro Approach to Pseudoelastic Behavior of Polycrystalline Shape Memory Alloy" Proceedings of IMMM'95, International Academic Publishers. 427 (1995)

Y.HARA、P.SITTNER、M.TOKUDA：“多晶形状记忆合金伪弹性行为的半微观方法”IMMM95 论文集，国际学术出版社。