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Evaluation on The Effect of Lithium Nitrite Corrosion Inhibitor by The Corrosion Sensors Embedded in Motar

Title
Evaluation on The Effect of Lithium Nitrite Corrosion Inhibitor by The Corrosion Sensors Embedded in Motar
Author
신성우
Keywords
corrosion sensor; lithium nitrite corrosion inhibitor; monitoring; non-destructive test; corrosion in reinforcement bar
Issue Date
2007-01
Publisher
ELSEVIER SCI LTD
Citation
CONSTRUCTION AND BUILDING MATERIALS, v. 21, No. 1, Page. 1-6
Abstract
Accelerated corrosion tests of reinforcing steel in mortar containing chlorides were conducted using a lithium nitrite corrosion inhibitor focusing on the nitrite-chloride ion molar ratio (NO2-/Cl-) as a test parameter. Lithium nitrite's corrosion-inhibiting effect was non-destructively monitored by embedding a corrosion sensor in each specimen. The result of this study came out that the minimum effective dosage of lithium nitrite is 0.6 in terms of NO2-/Cl-; sensor corrosion occurs when the ratio of the measured sensor resistance (R) to the initial sensor resistance (R-0) increases from 2 to 4; and the onset time and degree of corrosion in reinforcement bar can be non-destructively monitored by measuring the resistance (R) using the sensor for the correlation between R/R-0 and the percentage of the corrosion area (A(cor)). (c) 2006 Elsevier Ltd. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S0950061806000109http://repository.hanyang.ac.kr/handle/20.500.11754/106214
ISSN
0950-0618
DOI
10.1016/j.conbuildmat.2006.01.004
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ARCHITECTURE(건축학부) > Articles
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