Localized corrosion in crevice of SUS316 stainless steel in oxygenated high temperature and high purity water

Soma, Yasutaka ; Ueno, Fumiyoshi

Localized corrosion in crevice of SUS316 stainless steel after immersion in 288 $^{circ}$ C high purity water with dissolved oxygen concentration of 32 ppm for 100 h was analyzed. Two different types of localized corrosion initiated on grain boundary and inclusions. The former initiated on grain boundary and oxide grown into grain matrix. The oxidized area showed duplex structure composed of microcrystalline FeCr $_{2}$ O $_{4}$ and island-shaped residual metals. The latter initiated on inclusions containing Ca and S and microcrystalline FeCr $_{2}$ O $_{4}$ grown into metal matrix. These localized corrosion occurred selectively in oxygen depleted area indicated formation of macroscopic corrosion cell with the corroded area as anode and surrounding oxygenated area as cathode.

Language	:	Japanese
Journal	:	Zairyo To Kankyo
Volume	:	67
Number	:	5
Pages	:	p.222 - 228
Publication Year/Month	:	2018/05
Meeting title	:
Held date	:
Location (city)	:
Location (country)	:
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.3323/jcorr.67.222
DOI for research data	:
Keywords	:	すき間腐食; 低炭素ステンレス鋼; 高温高圧水; 高純度水; 応力腐食割れ
Research Facility	:
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:

Accesses	:	- Accesses
Web of Science® Times Cited Count	:	Times Cited Count： If you would like to get the latest times cited, please access the Web of Science®. http://www.webofknowledge.com/wos
InCites™	:
Altmetrics	:

Registration No. : AA20170401
JAEA Abstracts No. : 46000536
Paper Submission No. : 20134

[CLARIVATE ANALYTICS], [WEB OF SCIENCE], [HIGHLY CITED PAPER & CUP LOGO] and [HOT PAPER & FIRE LOGO] are trademarks of Clarivate Analytics, and/or its affiliated company or companies, and used herein by permission and/or license.