E-6 FRACTURE BEHAVIOR OF MICRO-SIZED Fe-3%Si ALLOY SINGLE CRYSTALS(Session: Fatique/SCG)
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概要
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Fracture tests have been performed for both macro- and micro-sized specimens prepared from a Fe-3% Si alloy single crystal, and the size effects on fracture behavior have been considered. Notch plane was set to be (100), which is a cleavage plane of this material, and notch direction was set to be [010] for both type of specimens. For macro-sized specimens, cleavage fracture occurred during introducing fatigue pre-crack. In contrast, the micro-sized specimens were fractured by ductile manner. This phenomenon is discussed based on the plastic zone at crack tip and the ligament size. The results obtained in this investigation provide important information for designing actual MEMS devices.
- 2006-11-08
著者
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Otsu Masaaki
Department Of Materials Science And Engineering Graduate School Of Science And Technology Kumamoto U
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TAKASHIMA Kazuki
Department of Materials Science and Resource Engineering, Faculty of Engineering, Kumamoto Universit
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Kawakami Yuji
Industrial Technology Center Of Saga
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Taki Eiji
Department of Materials Science and Engineering, Graduate School of Science and Technology, Kumamoto
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Takashima Kazuki
Department Of Materials Science And Engineering Graduate School Of Science And Technology Kumamoto U
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Taki Eiji
Department Of Materials Science And Engineering Graduate School Of Science And Technology Kumamoto U
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Otsu Masaaki
Department Of Materials Science And Engineering Graduate School Of Science And Technology Kumamoto U
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