1. bookVolume 65 (2021): Issue 3 (November 2021)
Journal Details
License
Format
Journal
eISSN
1804-1213
First Published
03 Apr 2012
Publication timeframe
4 times per year
Languages
English
access type Open Access

Monitoring of the atmospheric corrosivity by resistive sensors

Published Online: 30 Dec 2021
Page range: 86 - 91
Journal Details
License
Format
Journal
eISSN
1804-1213
First Published
03 Apr 2012
Publication timeframe
4 times per year
Languages
English
Abstract

Atmospheric corrosivity is classified according to EN ISO 9223 Corrosion of metals and alloys – Corrosivity of atmospheres – Classification, determination and estimation. For the determination and estimation of the corrosivity category, standardized approaches are used. Monitoring of corrosivity with the application of various sensors is an actual trend. The paper gives results of verification of some types of sensors for this monitoring with standardized flat samples at atmospheric test sites in the Czech Republic. The trend of decreasing atmospheric corrosivity is evident in the last decade. Monitoring of the corrosion rate and mapping of the corrosivity become a very important step in preventing failures in long-term atmospheric exposition. This type of monitoring was used on bridge construction to estimate the seasonal effect of de-icing salts deposition, too.

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