Enhanced Age Hardening in an Al-Mg-Si Alloy Using High-Speed Compression
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- Horikawa Keitaro
- Department of Mechanical Science and Bioengineering, Graduate School of Engineering Science, Osaka University
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- Kitani Yuki
- Department of Mechanical Science and Bioengineering, Graduate School of Engineering Science, Osaka University
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- Ogura Tomo
- Division of Material and Manufacturing Science, Graduate School of Engineering, Osaka University
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- Hirose Akio
- Division of Material and Manufacturing Science, Graduate School of Engineering, Osaka University
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- Takahashi Makoto
- Joining and Welding Research Institute, Osaka University
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- Kobayashi Hidetoshi
- Department of Mechanical Science and Bioengineering, Graduate School of Engineering Science, Osaka University
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説明
The age hardening of an Al-Mg-Si alloy was enhanced by the effect of high-speed (105 s−1) compression prior to aging. This enhancement of the age hardening is brought about by the formation of vacancy clusters during high-speed compression. High resolution transmission electron microscopy reveals that these vacancy clusters form stacking fault tetrahedra. Following peak aging, vacancy clusters and aging precipitates coexist in the grain interior. The high aging hardness obtained following high-speed compression is most probably due to the combined effects of vacancy and precipitation hardening.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 56 (7), 1058-1062, 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
- 1390282679230239488
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- NII論文ID
- 130005083555
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 026564784
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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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