書誌事項
- タイトル別名
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- Acoustic Emission Properties of Corrosion Pitting in SUS304 Stainless Steel during MgCl2 Droplet Corrosion Testing
- エンカ マグネシウム エキテキ フショク シケンジ ニ ハッセイ シタ SUS304 フショク ピット ノ AE トクセイ
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抄録
Acoustic emission (AE) monitoring for corrosion of small chloride droplet was proposed to investigate its mechanism. The corrosion testing in thin plate specimens of SUS304 stainless steel was conducted on an AE waveform measurement system with a high sensitivity AE sensor. Three types of corrosion were observed in the corrosion testing, which were the open pitting, covered pitting and snake-like corrosion, respectively. There were many AE events in the covered pitting and the snake-like corrosion. On the contrary, there was no AE event in the open pitting. Besides, the cross section of the snake-like corrosion was analyzed by EBSD. It shows that there were some cracks at the {111} interface of Σ3 coincidence boundary and annealing twins under the corrosion surface. Therefore, it can be concluded that the detected AE signals of corrosion testing were mainly attributed to the cracking in the covered pitting and the snake-like corrosion.<br>
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 74 (9), 559-564, 2010
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
- 1390282681453744000
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- NII論文ID
- 10026599377
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- NII書誌ID
- AN00187860
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- COI
- 1:CAS:528:DC%2BC3cXhtlKitbnM
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 10804501
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可