Fracture Behavior of Micro-Sized Fe-3%Si Alloy Single Crystals
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概要
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Fracture tests have been performed for both millimeter-sized and micro-sized specimens prepared from a Fe-3 mass%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 millimeter-sized specimens, cleavage fracture occurred during introducing a 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.
- 一般社団法人日本機械学会の論文
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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Kawakami Yuji
Industrial Technology Center Of Saga
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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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TAKI Eiji
Department of Materials Science and Engineering, Kumamoto University
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