Soma, Yasutaka 
; Kato, Chiaki ; Ueno, Fumiyoshi
In-situ electrochemical measurement within crevice of stainless steel in 288
C water has been conducted to analyze crevice water chemistry. Small sensors (
250
m) measured local solution electrical conductivity, 
, polarization resistance, and electrochemical corrosion potential. Real-time response of the as functions of bulk water conductivity, dissolved oxygen (DO) concentration has been quantitatively analyzed. The effect of geometrical factors on the crevice environment was also studied. The differ more than an order of magnitude depending on the oxygen potential inside the crevice. The increased by small amount of bulk DO (e.g. 30 ppb). Maximum was observed with DO of 32000 ppb and became more than 100 times higher than that of bulk water. Crevice geometry affected significantly on the water chemistry inside.
Language |
: | English |
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Pages |
: | p.509 - 521 |
Publication Year/Month |
: | 2018/00 |
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Held date |
: | 2017/08 |
Location (city) |
: | Portland |
Location (country) |
: | U.S.A. |
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