Monitoring active corrosion of metals in natural environments with magnetometry

Gonzalo E. Gallo; John S. Popovics

doi:10.1016/j.corsci.2012.06.023

Monitoring active corrosion of metals in natural environments with magnetometry

Research output: Contribution to journal › Letter › peer-review

Abstract

Magnetic fields induced by electrochemical activity from aqueous corrosion of two metals are monitored remotely with low cost sensors in a natural (unshielded and non-cryogenic) laboratory environment. Passive magnetic field measurement is carried out with economical and practical sensors. The measured magnetic fields are ascribed to active uniform aqueous corrosion processes in both aluminum and steel, and we demonstrate a direct relation between corrosion rate and magnetic activity for each case. The results indicate that magnetic activity owing to uniformly corroding surface is not magnetically silent in this particular testing configuration, and the rate of corrosion can be monitored in a practical manner.

Original language	English (US)
Pages (from-to)	1-4
Number of pages	4
Journal	Corrosion Science
Volume	63
DOIs	https://doi.org/10.1016/j.corsci.2012.06.023
State	Published - Oct 2012

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
General Materials Science

Online availability

10.1016/j.corsci.2012.06.023

Library availability

Discover UIUC Full Text

Cite this

@article{bd778c7ffd3a41d29ad01c6d842b34e4,

title = "Monitoring active corrosion of metals in natural environments with magnetometry",

abstract = "Magnetic fields induced by electrochemical activity from aqueous corrosion of two metals are monitored remotely with low cost sensors in a natural (unshielded and non-cryogenic) laboratory environment. Passive magnetic field measurement is carried out with economical and practical sensors. The measured magnetic fields are ascribed to active uniform aqueous corrosion processes in both aluminum and steel, and we demonstrate a direct relation between corrosion rate and magnetic activity for each case. The results indicate that magnetic activity owing to uniformly corroding surface is not magnetically silent in this particular testing configuration, and the rate of corrosion can be monitored in a practical manner.",

author = "Gallo, {Gonzalo E.} and Popovics, {John S.}",

note = "Funding Information: The work reported here was made possible by support from the National Science Foundation through grant CMMI 0625996, Dr. Shi-Chi Liu, program manager. The authors are grateful for contributions to the work provided by Dr. Patrick L. Chapman, Dr. Taekeun Oh and Mr. Suyun Ham. Copyright: Copyright 2012 Elsevier B.V., All rights reserved.",

year = "2012",

month = oct,

doi = "10.1016/j.corsci.2012.06.023",

language = "English (US)",

volume = "63",

pages = "1--4",

journal = "Corrosion Science",

issn = "0010-938X",

publisher = "Elsevier Limited",

}

TY - JOUR

T1 - Monitoring active corrosion of metals in natural environments with magnetometry

AU - Gallo, Gonzalo E.

AU - Popovics, John S.

N1 - Funding Information: The work reported here was made possible by support from the National Science Foundation through grant CMMI 0625996, Dr. Shi-Chi Liu, program manager. The authors are grateful for contributions to the work provided by Dr. Patrick L. Chapman, Dr. Taekeun Oh and Mr. Suyun Ham. Copyright: Copyright 2012 Elsevier B.V., All rights reserved.

PY - 2012/10

Y1 - 2012/10

N2 - Magnetic fields induced by electrochemical activity from aqueous corrosion of two metals are monitored remotely with low cost sensors in a natural (unshielded and non-cryogenic) laboratory environment. Passive magnetic field measurement is carried out with economical and practical sensors. The measured magnetic fields are ascribed to active uniform aqueous corrosion processes in both aluminum and steel, and we demonstrate a direct relation between corrosion rate and magnetic activity for each case. The results indicate that magnetic activity owing to uniformly corroding surface is not magnetically silent in this particular testing configuration, and the rate of corrosion can be monitored in a practical manner.

AB - Magnetic fields induced by electrochemical activity from aqueous corrosion of two metals are monitored remotely with low cost sensors in a natural (unshielded and non-cryogenic) laboratory environment. Passive magnetic field measurement is carried out with economical and practical sensors. The measured magnetic fields are ascribed to active uniform aqueous corrosion processes in both aluminum and steel, and we demonstrate a direct relation between corrosion rate and magnetic activity for each case. The results indicate that magnetic activity owing to uniformly corroding surface is not magnetically silent in this particular testing configuration, and the rate of corrosion can be monitored in a practical manner.

UR - http://www.scopus.com/inward/record.url?scp=84864311310&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84864311310&partnerID=8YFLogxK

U2 - 10.1016/j.corsci.2012.06.023

DO - 10.1016/j.corsci.2012.06.023

M3 - Letter

AN - SCOPUS:84864311310

SN - 0010-938X

VL - 63

SP - 1

EP - 4

JO - Corrosion Science

JF - Corrosion Science

ER -

Monitoring active corrosion of metals in natural environments with magnetometry

Abstract

ASJC Scopus subject areas

Online availability

Library availability

Related links

Fingerprint

Cite this