| Investigation on propagation process of electrically induced fatigue cracking using AFM |
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| 引用本文： | WANG Fang SU Yanjing HE Jianying QIAO Lijie CHU Wuyang. Investigation on propagation process of electrically induced fatigue cracking using AFM[J]. 科学通报(英文版), 2005, 50(19): 2145-2148. DOI: 10.1007/BF03182661 |
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| 作者姓名： | WANG Fang SU Yanjing HE Jianying QIAO Lijie CHU Wuyang |
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| 作者单位： | Department of Materials Physics, University of Science and TechnologyBeijing, Beijing 100083, China |
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| 基金项目： | This project was supported by the Key Project for Ministry of Education of the People＇s Republic of China （No.104021） |
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| 摘 要： | Propagation process of electrically induced fatigue cracking in BaTiO3 single crystal has been studied using atomic force microscope （AFM）. The results show that alternating electric field generates a random domain switching around indentation cracks instead of a cyclic domain switching and an arrest indentation crack can be re-initiated by applying either positive or negative alternating electric field.
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| 关 键 词： | 原子显微镜 AFM 疲劳裂纹 交互电场 循环裂纹 |
| 收稿时间： | 2005-04-21 |
| 修稿时间： | 2005-04-212005-07-12 |
Investigation on propagation process of electrically induced fatigue cracking using AFM |
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| Fang Wang,Yanjing Su,Jianying He,Lijie Qiao,Wuyang Chu. Investigation on propagation process of electrically induced fatigue cracking using AFM[J]. Chinese science bulletin, 2005, 50(19): 2145-2148. DOI: 10.1007/BF03182661 |
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| Authors: | Fang Wang Yanjing Su Jianying He Lijie Qiao Wuyang Chu |
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| Affiliation: | (1) Institute of Mechanics and Fluid Dynamics, TU Bergakademie Freiberg, Lampadiusstrasse 4, 09596 Freiberg, Germany |
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| Abstract: | Propagation process of electrically induced fatigue cracking in BaTiO3 single crystal has been studied using atomic force microscope (AFM). The results show that alternating electric field generates a random domain switch-ing around indentation cracks instead of a cyclic domain switching and an arrest indentation crack can be re-initiated by applying either positive or negative alternating electric field. |
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| Keywords: | domain switching atomic force microscope electrically induced fatigue cracking. |
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