The Twinning Microstructure and Damping Behavior in Mn–30Cu (at%) Alloy
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- Yin Fuxing
- National Institute for Materials Science
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- Sakaguchi Takuya
- Material Engineering Div III, Toyota Motor Corporation
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- Tian Qingchao
- Technology Center, Baoshan Iron and Steel Co. Ltd.
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- Sakurai Atsuko
- National Institute for Materials Science
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- Nagai Kotobu
- National Institute for Materials Science
書誌事項
- タイトル別名
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- The Twinning Microstructure and Damping Behavior in Mn–30Cu (at%) Alloy
- Twinning Microstructure and Damping Behavior in Mn 30Cu atパーセント Alloy
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The twin boundary damping peak and the transformation damping peak constitute the temperature dependent damping behavior in Mn–Cu alloys. In order to observe the effects of twinning microstructure on the twin boundary damping behavior, a Mn–30 at%Cu alloy was finally treated by furnace cooling (FC) and aging after water-quenching (AG), respectively. Regular twin bands with the similar widths along some {101} twin boundary were observed in FC treated condition, while intersected twin bands with pointed fronts belonging to different {101} twin boundaries occurred in the AG treated specimens. Meanwhile, the twin boundary damping features were obtained based on dynamic mechanical analyzer (DMA) measurement, and increased activation energy and decreased peak damping capacity were found in the AG treated alloy. The distortion state of the interfaces enclosing the decomposed nanometer regions was considered to influence the twinning microstructure formation and hence alter the damping features of the twining microstructure.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 46 (10), 2164-2168, 2005
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
- 1390282679227590144
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- NII論文ID
- 130004452606
- 10018277536
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 7487754
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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
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- 使用不可