Effect of Sn Addition on the Precipitation Behavior in AZ91 Magnesium Alloy
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- Kim Jeong Kyun
- Department of Materials Science and Engineering, Center for Noncrystalline Materials, Yonsei University
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- Oh Seung Hyun
- Department of Materials Science and Engineering, Center for Noncrystalline Materials, Yonsei University
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- Kim Kang Cheol
- Department of Materials Science and Engineering, Center for Noncrystalline Materials, Yonsei University
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- Kim Won Tae
- Department of Optical Engineering, Cheongju University
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- Kim Do Hyang
- Department of Materials Science and Engineering, Center for Noncrystalline Materials, Yonsei University
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<p>The effect of Sn (1, 3 and 5 mass%) addition on the precipitation behavior of AZ91 alloy has been investigated in the present study. The addition of Sn is effective in suppression of discontinuous precipitation as well as acceleration of continuous precipitation. The Mg2Sn particles at the grain boundary effectively reduce the nucleation sites for discontinuous β precipitates, and slow down the movement of the grain boundary. The addition of Sn remarkably enhances the aging response of AZ91. The hardness increases steeply with the start of the aging treatment, resulting in significantly higher peak hardness within shorter aging time. The addition of Sn enhances the aging response by solid solution hardening effect as well as by co-precipitation of Mg17Al12 and Mg2Sn in the α-Mg matrix.</p>
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 58 (6), 963-966, 2017
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
- 1390282679231648512
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- NII論文ID
- 130005679016
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 028195778
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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