Plane-Strain Fracture Toughness on Thin AZ31 Wrought Magnesium Alloy Sheets
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- Sasaki Taisuke
- Department of Metallurgy and Materials Science, Osaka Prefecture University
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- Somekawa Hidetoshi
- Department of Metallurgy and Materials Science, Osaka Prefecture University
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- Takara Akira
- Matsushita Electric Industrial Co., Ltd.
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- Nishikawa Yukio
- Matsushita Electric Industrial Co., Ltd.
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- Higashi Kenji
- Department of Metallurgy and Materials Science, Osaka Prefecture University
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抄録
There are few reports about plane-strain fracture toughness on wrought magnesium alloys. Also, there are a little data, for example plane-strain fracture toughness, that evaluates such as reliability and safety in magnesium alloys. Therefore, in this study, plane-strain fracture toughness, KIC, on thin AZ31 wrought magnesium alloy sheets was analyzed. As a result, appropriate plane-strain fracture toughness was not obtained by plane-strain fracture toughness test. It was because specimens used in this study were too thin to satisfy small scale yielding condition. But, as a result of stretched zone analysis, appropriate plane-strain fracture toughness, KIC, was obtained and the values of KIC were 16.5–18.4 MPam1⁄2. According to the result of this study, it is concluded that stretched zone analysis was one of effective ways to evaluate fracture toughness of AZ31 wrought magnesium alloy appropriately. And the values of fracture toughness on AZ31 wrought magnesium alloys were equal or higher than that of cast magnesium alloy.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 44 (5), 986-990, 2003
公益社団法人 日本金属学会
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詳細情報
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- CRID
- 1390282679222612736
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- NII論文ID
- 130004452125
- 30018849729
- 10011912015
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- NII書誌ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD3sXlsVSjt78%3D
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 6537400
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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