Deformation Behavior of Long-Period Stacking Ordered Structured Single Crystals in Mg₈₅Zn₆Y₉ Alloy
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- Mine Yoji
- Department of Materials Science and Engineering, Kumamoto University
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- Maezono Ryo
- Department of Materials Science and Engineering, Kumamoto University
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- Oda Hiroaki
- Department of Materials Science and Engineering, Kumamoto University
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- Yamasaki Michiaki
- Magnesium Research Centre, Kumamoto University
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- Kawamura Yoshihito
- Magnesium Research Centre, Kumamoto University
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- Takashima Kazuki
- Department of Materials Science and Engineering, Kumamoto University
書誌事項
- タイトル別名
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- Deformation Behavior of Long-Period Stacking Ordered Structured Single Crystals in Mg<sub>85</sub>Zn<sub>6</sub>Y<sub>9</sub> Alloy
- Deformation behavior of long-period stacking ordered structured single crystals in Mg85Zn6Y9
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抄録
Microtension tests were performed on single crystals with different crystallographic orientations, which were prepared using an 18R-type long-period stacking ordered (LPSO) structure in a directionally solidified Mg85Zn6Y9 alloy. Anisotropic plasticity was observed for the LPSO phase specimens. Cleavage cracking occurred on the prismatic planes in a crystal with its loading direction parallel to the basal plane. The cleavage stress for the prismatic plane was determined to be approximately 460 MPa. A crystal that was oriented favorably for gliding on the basal plane exhibited a critical resolved shear stress of approximately 9.4 MPa. When a crystal was loaded along [0001], a sudden load drop was observed at a stress of approximately 250 MPa in the initial linear region of the stress–strain relation. Transmission electron microscopy results after the load drop showed that the deformation microstructure contained a twin-like boundary with a rotation axis along [11\bar{2}0].
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 56 (7), 952-956, 2015
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282679230268288
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- NII論文ID
- 130005083569
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 026564431
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可