In-Situ Observation and Acoustic Emission Analysis for Corrosion Pitting of MgCl₂ Droplet in SUS304 Stainless Steel
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- Shiwa Mitsuharu
- National Institute for Materials Science
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- Masuda Hiroyuki
- National Institute for Materials Science
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- Yamawaki Hisashi
- National Institute for Materials Science
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- Ito Kaita
- 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
書誌事項
- タイトル別名
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- <i>In-Situ</i> Observation and Acoustic Emission Analysis for Corrosion Pitting of MgCl<sub>2</sub> Droplet in SUS304 Stainless Steel
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Acoustic emission with near-field detection and optical video microscope monitoring was proposed to investigate the pitting corrosion caused by a small magnesium-chloride droplet. Four types of the detected waveforms were characterized by the wavelet analysis to investigate the corrosion of work-hardened SUS304 stainless steel. After high-activity AE signals observed, the corrosion product sheet grew with or without low-activity AE signals. With the cross-section observations, the detected AE signals were mainly attributed to longitudinal and transverse cracking around the covered pitting, cracking of the oxidation products, and the early stage of corrosion potential fluctuation.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 53 (6), 1069-1074, 2012
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
- 1390001204250393728
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- NII論文ID
- 10030630074
- 130004824893
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 023682179
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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
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可