| 电磁功能材料的多场耦合实验研究进展 |
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| 引用本文： | 方岱宁,裴永茂.电磁功能材料的多场耦合实验研究进展[J].力学与实践,2010,32(6):1-7. |
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| 作者姓名： | 方岱宁 裴永茂 |
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| 作者单位： | 1. 北京大学工学院;
2. 北京大学 |
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| 基金项目： | 国家自然科学基金资助项目(10572069,11072003,10802008) |
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| 摘 要： | 将对电磁功能材料多物理场耦合性能检测技术和设备做一综述介绍,介绍如何在多物理场耦合条件下测试电磁滞回线、蝶形曲线、电磁致伸缩、应力应变曲线和磁电效应等物理力学性能,并介绍电磁功能材料在多物理耦合场作用下的新的实验现象,包括铁电材料在多轴电场和双轴力载荷作用下的电滞回线、裂纹尖端的畴变规律、磁致伪弹性、磁致伸缩的"回落"等现象.这对于理解电磁功能材料和结构在耦合场下的变形与断裂机制有重要的意义.
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| 关 键 词： | |
| 收稿时间： | 2010-10-26 |
ADVANCES IN MULTIFIELD COUPLED EXPERIMENTS RESEARCH OF ELECTROMAGNETIC FUNCTIONAL MATERIALS |
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| FANG Daining
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PEI Yongmao.ADVANCES IN MULTIFIELD COUPLED EXPERIMENTS RESEARCH OF ELECTROMAGNETIC FUNCTIONAL MATERIALS[J].Mechanics and Engineering,2010,32(6):1-7. |
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| Authors: | FANG Daining PEI Yongmao |
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| Institution: | FANG Daining~(2)) PEI Yongmao (College of Engineering,Peking University,Beijing 100871,China) |
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| Abstract: | This paper will review the multi-physical fields coupled properties measurement technology and device for electromagnetic functional materials.It will be introduced how to measure the physical and mechanical properties including electric/magnetic hysteresis,butterfly curve,electrostriction/magnetostriction, stress-strain curve and magnetoelectric effect and so on under muti-physical fields coupled conditions.Then, new phenomena under under muti-physical fields coupled conditions for electromangetic function... |
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| Keywords: | electromognetic function matorial multifield coupled experiment deformation and fracture experimental mechanics |
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