Products tagged with 'electrochemical noise'

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51318-11614-Electrochemical Noise - Ready for Corrosion Monitoring in Lab and Field

Product Number: 51318-11614-SG

Author: Guenter Schmitt / Peter Schrems / Lars Kuhl

Publication Date: 2018

$20.00

Corrosion measurement and monitoring with correlation to corrosion rates can now be applied directly in the field with a new stand-alone hand-held potentiostat/galvanostat in combination with a new in-house diagnosis software of electrochemical current noise.

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Analysis and Monitoring of Welded Carbon Steel Corrosion in Aqueous Solutions Using Electrochemical Noise and Wavelet Analysis

Product Number: 51324-21243-SG

Author: Ahmed Abdulmutaali; Katerina Lepkova; Chris Aldrich

Publication Date: 2024

$40.00

The corrosion of welded carbon steel in the presence of aqueous chloride-containing solutions at 30 °C was analyzed by use of electrochemical noise (EN) and wavelet transform analysis (WTA) in three different solution systems. It is shown that features extracted from sections of the EN signals imaged by way of wavelet scalograms could be used to identify different types of corrosion, as well as for online monitoring of corrosion. Moreover, the corroded welded steel surfaces were examined using 3D profilometry to gather information about localized defects (pits). These results demonstrated that electrochemical noise associated with wavelet transform analysis, particularly wavelet scalograms, is an effective tool for monitoring localized corrosion of welded carbon steel.

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Application of Electrochemical Noise to Identify Corrosion Development of Steel with Galvanized Protective Coatings

Product Number: 51322-17873-SG

Author: Samanbar Permeh, Kingsley Lau

Publication Date: 2022

$20.00

Galvanized protective coatings have been used for structural steel to mitigate steel corrosion in atmospheric exposures and chloride-rich marine environments. The galvanizing process involves dipping steel elements free of surface mill scale in a molten zinc bath where the diffusion of zinc into the steel matrix allows for zinc-iron alloy layers of decreasing zinc concentrations by depth to form in the steel. Oher elements such as tin, antimony and aluminum may be added to the galvanizing bath to control reaction rates, surface appearance and corrosion behavior. Hot-dipped galvanizing provides corrosion protection by developing a barrier layer and in certain conditions provide beneficial galvanic coupling of the zinc-rich layers to the steel.

Products tagged with 'electrochemical noise'

51318-11614-Electrochemical Noise - Ready for Corrosion Monitoring in Lab and Field

Analysis and Monitoring of Welded Carbon Steel Corrosion in Aqueous Solutions Using Electrochemical Noise and Wavelet Analysis

Application of Electrochemical Noise to Identify Corrosion Development of Steel with Galvanized Protective Coatings

Association for Materials Protection and Performance