Results 231 to 240 of about 2,501,691 (305)

Combined Measurement of Electrochemical Noise and Electrochemical Impedance

CORROSION 2003, 2003
Abstract Electrochemical noise studies have been shown to be susceptible to asymmetry between the two electrodes that are normally used to measure the current noise, and there is consequently a need for noise monitoring methods that use a single electrode. In this paper such a method is presented.
Robert A. Cottis, Murali Kumaraguru, Marios Marti   +2 more
openaire   +1 more source

Methods of trend removal in electrochemical noise data – Overview

Measurement, 2019
In this paper we shall review popular methods of trend removal from electrochemical noise time records. The basic principles of operation of the six most popular methods are explained. The proposed methods are: high-pass filtering, Moving Average Removal,
Ł. Lentka, Janusz Smulko
semanticscholar   +1 more source

In-situ monitoring of pitting corrosion of Q235 carbon steel by electrochemical noise: Wavelet and recurrence quantification analysis

, 2020
Pitting corrosion of Q235 carbon steel in 0.25 M NaHCO3 with different concentrations of chloride ions was in-situ monitored by electrochemical noise (EN) technique, and the EN signals were analyzed by transient shape analysis, wavelet analysis and ...
Zhen Zhang, Xiaofeng Li, Zhanyong Zhao, P. Bai, Bin Liu, Jibo Tan, Xinqiang Wu   +6 more
semanticscholar   +1 more source

Electrochemical noise (EN) technique: review of recent practical applications to corrosion electrochemistry research

Journal of Adhesion Science and Technology, 2019
The ability to analyze different electrochemical corrosion phenomena, in–situ, without requiring any form of electrode perturbation has strongly attracted the attention of corrosion researchers towards the application of electrochemical noise (EN ...
I. Obot, I. Onyeachu, A. Zeino, S. Umoren   +3 more
semanticscholar   +1 more source

The measurement of electrochemical noise of a Li-ion battery during charge-discharge cycling

, 2020
For the first time electrochemical noise of a commercial Li-ion battery was measured during discharge via a constant value resistor for 1500 cycles. Spectral and statistical analyses were carried out.
E. Astafev
semanticscholar   +1 more source

Electrochemical noise for corrosion detection

Corrosion Reviews, 2011
Abstract In the past years, a growing interest in the use of electrochemical noise (EN) for corrosion studies has been seen in the main literature. As a result, several methods for analyzing noise data have been developed. In this paper, a review of the investigative possibilities offered by EN in the field of corrosion is given.
MONTESPERELLI, GIAMPIERO, GUSMANO, GUALTIERO   +1 more
openaire   +3 more sources

Potentiostatic Measurements of Electrochemical Noise

CORROSION 2001, 2001
Abstract A new potentiostatic electrochemical noise (P-ECN) technique was recently developed to explore further improvement in corrosion monitoring methods. This technique has the ability to enhance monitoring of both general and localized corrosion.
V. Jovancicevic, S. Ramachandran, G. Tipton, E. Atherton   +3 more
openaire   +1 more source

Modeling of electrochemical noise transients

Materials and Corrosion, 2007
AbstractStarting from the elementary corrosion reactions on a passive metal surface a model is developed for the origin of electrochemical noise. The ion currents flowing at the electrochemical reactions are described by the electrons remaining in the metal and then interpreted as a measuring signal.
M. Bierwirth, J. Goellner
openaire   +1 more source

Interpretation of Electrochemical Noise Data

Corrosion, 2001
The measurement of the electrochemical noise associated with corroding metals places a number of requirements on the measurement system if good quality data are to be obtained. In particular, aliasing and quantization noise should be avoided. Analysis methods may ignore the ordering of the measured potential or current values by using sequence ...
openaire   +1 more source

Identifying defect levels in organic coatings with electrochemical noise (EN) measured in Single Cell (SC) mode

Progress in Organic Coatings, 2019
This work aims to develop field corrosion detection method for identifying the defect levels in organic coatings by using electrochemical noise (EN) measured at Singe Cell (SC) mode.
Da-Hai Xia, Yang Song, Shi-zhe Song, Y. Behnamian, Likun Xu, Zhong Wu, Zhenbo Qin, Zhiming Gao, Wenbin Hu   +8 more
semanticscholar   +1 more source