Nondestructive evaluation of advanced materials by use of electromechanical interactions
利用机电相互作用对先进材料进行无损评估
基本信息
- 批准号:15560071
- 负责人:
- 金额:$ 2.3万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2003
- 资助国家:日本
- 起止时间:2003 至 2005
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
We have formulated electromagneto-mechanical properties for actuator materials like piezoelectric, magnetostrictive and photostrictive materials, and magnetic or conductive structural materials under stress and electromagnetic fields, which have been applied to integrity evaluation of advanced materials. The obtained results are as follows.1. For optic material PLZT, we have shown that the response of the photovoltage can be regarded as a first-order delay system for optic radiation, and a power law follows between light strength and the saturated electromotive force. Our accurate measurement implies that the photovoltage takes maximum around 370-380nm wavelength higher than the conventional result. In conclusion, the basic model is completed for application to integrity evaluation of optic materials.2. As monitoring method by piezoelectric highpolymer film. we examined laminated films and detection of inner wall flaws. According to the laminated directions of two films, we have two ki … More nds of films suitable for evaluation of the nominal stress from isotropic sensitivity and evaluation of shear strain. It is shown that the location and the shape of an inner wall flaw can be detected from the electric potential distribution of the film attached on the outer wall of a circular pipe.3. As for the formulation of magnetomechanical behavior of magnetic materials, we have paid attention to variation of the elastic coefficients. We have proposed determination method of the elastic coefficients of uniaxial materials under uniaxial stress and the magnetic field. That is, the independent five coefficients are determined by measuring the speeds of a longitudinal and two transverse waves and the longitudinal and transverse magnetostrictions. Appling the method to Ni and low carbon steel, we have obtained the elastic coefficients with hysteresis and stress dependence. From the studied, we have established magnetic and mechanical constitutive equations of ferromagnetic materials applicable to mechanical and electromagnetic design. Less
我们制定了致动器材料的电磁机械性能,如压电,磁致伸缩和光致伸缩材料,以及在应力和电磁场下的磁性或导电结构材料,这些材料已被应用于先进材料的完整性评估。主要研究结果如下:1.对于光学材料PLZT,我们证明了光电压的响应可以看作是光辐射的一阶延迟系统,光强与饱和电动势之间遵循幂律关系。我们的精确测量表明,光电压在370- 380 nm波长附近出现最大值,高于常规结果。完成了光学材料完整性评价的基本模型.压电高分子膜监测法。我们检查了层压膜和内壁缺陷的检测。根据两种薄膜的层合方向,我们得到了两种薄膜, ...更多信息 膜的端部适合于从各向同性灵敏度评估标称应力和评估剪切应变。结果表明,利用贴附在圆管外壁上的薄膜的电位分布可以检测出内壁缺陷的位置和形状.对于磁性材料的磁力学行为,我们注意到弹性系数的变化。提出了在单轴应力和磁场作用下单轴材料弹性系数的确定方法。也就是说,独立的五个系数是通过测量一个纵波和两个横波的速度以及纵向和横向磁致伸缩来确定的。将此方法应用于镍和低碳钢,得到了具有滞后和应力依赖性的弹性系数。在此基础上,建立了适用于机械和电磁设计的铁磁材料的磁性和力学本构方程。少
项目成果
期刊论文数量(43)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Three Dimensional Constitutive Equations of Ferromagnetic Materials with Magnetoelastic Coupling -Determination of Elastic Coefficients under Magnetic Field-
磁弹性耦合铁磁材料的三维本构方程-磁场下弹性系数的测定-
- DOI:
- 发表时间:2007
- 期刊:
- 影响因子:0
- 作者:Eiji Matsumoto;Tomomi Hase;Takaaki Suzuki
- 通讯作者:Takaaki Suzuki
Ti-Ni形状記憶合金線材のねじり試験によるせん断応力-せん断ひずみの測定
Ti-Ni形状记忆合金丝扭转试验测量剪切应力-剪切应变
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:森 康裕;松本英治
- 通讯作者:松本英治
Magnetoelastic Behavior of Ferromagnetic Materials Using Stress Dependent Preisach Model Based on Continuum Theory
使用基于连续介质理论的应力相关 Preisach 模型研究铁磁材料的磁弹性行为
- DOI:
- 发表时间:2004
- 期刊:
- 影响因子:0
- 作者:Takaaki Suzuki;Eiji Matsumoto
- 通讯作者:Eiji Matsumoto
E.Matsumoto, S.Biwa, K.Katsumi, Y.Omoto, K.Iguchi, T.Shibata: "Surface Strain Sensing with Polymer Piezoelectric Film"NDT & E International. 37. 57-64 (2004)
E.Matsumoto、S.Biwa、K.Katsumi、Y.Omoto、K.Iguchi、T.Shibata:“利用聚合物压电薄膜进行表面应变传感”NDT
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
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- 通讯作者:
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MATSUMOTO Eiji的其他文献
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{{ truncateString('MATSUMOTO Eiji', 18)}}的其他基金
Nondestructive evaluation of advanced materials by use of electromagnetoacoustic interactions
利用电磁声相互作用对先进材料进行无损评估
- 批准号:
12650085 - 财政年份:2000
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Nondestructive Evaluation of Stress and Damage of Materials by Magnetoacoustic Effects
磁声效应对材料应力和损伤的无损评估
- 批准号:
08455060 - 财政年份:1996
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Nondestructive Estimation of Stress and flaws by combining Magnetic Field and Ultrasonics
结合磁场和超声波对应力和缺陷进行无损评估
- 批准号:
06650105 - 财政年份:1994
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
International cope with IGBP implementation in University
国际应对IGBP在大学的实施
- 批准号:
05041061 - 财政年份:1993
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for international Scientific Research
Nondestructive Measurement of Stress and Material Properties using Electromagnetic Fields
使用电磁场无损测量应力和材料特性
- 批准号:
04650084 - 财政年份:1992
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
Definition of Implementation Plans for IGBP in University
大学IGBP实施计划的确定
- 批准号:
03041105 - 财政年份:1992
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Overseas Scientific Survey.
Experimeutal study of the Mechanism of Heterogeneous Sediment Transport in a closed duct.
封闭管道内非均质泥沙输运机理的实验研究。
- 批准号:
02452296 - 财政年份:1990
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)