Deformation and Anelastic Recovery of Pure Magnesium and AZ31B Alloy Investigated by AE
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- Li Yunping
- Department of Materials Engineering, School of Engineering, The University of Tokyo
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- Enoki Manabu
- Department of Materials Engineering, School of Engineering, The University of Tokyo
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抄録
Extruded pure magnesium and AZ31B alloy were compressed parallel and vertical to extrusion direction. Deformation behavior was investigated in monotonous compression by acoustic emission (AE). Anelastic recovery behavior was observed in cyclic compression-quick unloading-recovery process. AE method was applied in each recovery process to investigate detwinning behavior at different strain levels. It was found that twinned samples vertically compressed easily detwin compared to parallel samples in both pure magnesium and AZ31B alloy. Compared to pure magnesium, twinning in AZ31B alloy is more stable and shows weaker psuedoelasticity. A model of strain dependence on cumulative AE counts from detwinning was proposed and fitting results are in good agreement with experimental data.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 48 (9), 2343-2348, 2007
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
- 1390001204250037760
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- NII論文ID
- 10019853373
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- NII書誌ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD2sXht1WntLzK
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 8884843
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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