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Chemical corrosion of metals and alloys

Hemijska korozija metala i legura

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2016
1867.pdf (443.2Kb)
Authors
Jegdić, Bore
Popić, Jovan P.
Bobić, Biljana
Stevanović, Maja
Article (Published version)
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Abstract
In this paper, phenomena of chemical corrosion of metals and alloys in electrolyte solutions are analyzed. It is shown that iron, chromium and other metals and alloys dissolve much faster than is the corrosion rate determined by electrochemical methods. This means that the chemical dissolution takes place simultaneously with the electrochemical dissolution. The chemical dissolution does not depend on electrode potential. Under some conditions, chemical dissolution of metals is the dominant process of dissolution. Several mechanisms of chemical corrosion are described. Also, the consequences of chemical dissolution of various metals and alloys are discussed, as well as the hydrogen evolution during the chemical dissolution. The process of hydrogen evolution during the chemical corrosion is not subjected to the laws of electrochemical kinetics.
U ovom preglednom radu analizirana je hemijska korozija metala i legura u rastvorima elektrolita. Pokazano je da se gvožđe, hrom i neki drugi metali i legure rastvaraju mnogo brže nego što je njihova brzina korozije određena elektrohemijskim metodama. To znači da se istovremeno sa elektrohemijskim rastvaranjem odvija i hemijsko rastvaranje, koje ne zavisi od potencijala. U nekim uslovima hemijsko rastvaranje metala je dominantan proces rastvaranja. Opisano je više mehanizama hemijske korozije. Takođe, razmatrane su posledice hemijskog rastvaranja različitih metala i legura, kao i pojava izdvajanja vodonika pri hemijskom rastvaranju. Proces izdvajanja vodonika pri hemijskoj koroziji ne podleže zakonitostima elektrohemijske kinetike.
Keywords:
corrosion / chemical dissolution / electrochemical dissolution / iron / chromium / korozija / hemijsko rastvaranje / elektrohemijsko rastvaranje / gvožđe / hrom
Source:
Zaštita materijala, 2016, 57, 2, 205-211
Publisher:
  • Belgrade, Serbia : Engineering Society for Corrosion
Funding / projects:
  • Synthesis, processing and applications of nanostructured multifunctional materials with defined properties (RS-45019)
  • Development of the tribological micro/nano two component and hybrid selflubricating composites (RS-35021)

DOI: 10.5937/ZasMat1602205J

ISSN: 0351-9465

[ Google Scholar ]
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/1869
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Jegdić, Bore
AU  - Popić, Jovan P.
AU  - Bobić, Biljana
AU  - Stevanović, Maja
PY  - 2016
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1869
AB  - In this paper, phenomena of chemical corrosion of metals and alloys in electrolyte solutions are analyzed. It is shown that iron, chromium and other metals and alloys dissolve much faster than is the corrosion rate determined by electrochemical methods. This means that the chemical dissolution takes place simultaneously with the electrochemical dissolution. The chemical dissolution does not depend on electrode potential. Under some conditions, chemical dissolution of metals is the dominant process of dissolution. Several mechanisms of chemical corrosion are described. Also, the consequences of chemical dissolution of various metals and alloys are discussed, as well as the hydrogen evolution during the chemical dissolution. The process of hydrogen evolution during the chemical corrosion is not subjected to the laws of electrochemical kinetics.
AB  - U ovom preglednom radu analizirana je hemijska korozija metala i legura u rastvorima elektrolita. Pokazano je da se gvožđe, hrom i neki drugi metali i legure rastvaraju mnogo brže nego što je njihova brzina korozije određena elektrohemijskim metodama. To znači da se istovremeno sa elektrohemijskim rastvaranjem odvija i hemijsko rastvaranje, koje ne zavisi od potencijala. U nekim uslovima hemijsko rastvaranje metala je dominantan proces rastvaranja. Opisano je više mehanizama hemijske korozije. Takođe, razmatrane su posledice hemijskog rastvaranja različitih metala i legura, kao i pojava izdvajanja vodonika pri hemijskom rastvaranju. Proces izdvajanja vodonika pri hemijskoj koroziji ne podleže zakonitostima elektrohemijske kinetike.
PB  - Belgrade, Serbia : Engineering Society for Corrosion
T2  - Zaštita materijala
T1  - Chemical corrosion of metals and alloys
T1  - Hemijska korozija metala i legura
VL  - 57
IS  - 2
SP  - 205
EP  - 211
DO  - 10.5937/ZasMat1602205J
ER  - 
@article{
author = "Jegdić, Bore and Popić, Jovan P. and Bobić, Biljana and Stevanović, Maja",
year = "2016",
abstract = "In this paper, phenomena of chemical corrosion of metals and alloys in electrolyte solutions are analyzed. It is shown that iron, chromium and other metals and alloys dissolve much faster than is the corrosion rate determined by electrochemical methods. This means that the chemical dissolution takes place simultaneously with the electrochemical dissolution. The chemical dissolution does not depend on electrode potential. Under some conditions, chemical dissolution of metals is the dominant process of dissolution. Several mechanisms of chemical corrosion are described. Also, the consequences of chemical dissolution of various metals and alloys are discussed, as well as the hydrogen evolution during the chemical dissolution. The process of hydrogen evolution during the chemical corrosion is not subjected to the laws of electrochemical kinetics., U ovom preglednom radu analizirana je hemijska korozija metala i legura u rastvorima elektrolita. Pokazano je da se gvožđe, hrom i neki drugi metali i legure rastvaraju mnogo brže nego što je njihova brzina korozije određena elektrohemijskim metodama. To znači da se istovremeno sa elektrohemijskim rastvaranjem odvija i hemijsko rastvaranje, koje ne zavisi od potencijala. U nekim uslovima hemijsko rastvaranje metala je dominantan proces rastvaranja. Opisano je više mehanizama hemijske korozije. Takođe, razmatrane su posledice hemijskog rastvaranja različitih metala i legura, kao i pojava izdvajanja vodonika pri hemijskom rastvaranju. Proces izdvajanja vodonika pri hemijskoj koroziji ne podleže zakonitostima elektrohemijske kinetike.",
publisher = "Belgrade, Serbia : Engineering Society for Corrosion",
journal = "Zaštita materijala",
title = "Chemical corrosion of metals and alloys, Hemijska korozija metala i legura",
volume = "57",
number = "2",
pages = "205-211",
doi = "10.5937/ZasMat1602205J"
}
Jegdić, B., Popić, J. P., Bobić, B.,& Stevanović, M.. (2016). Chemical corrosion of metals and alloys. in Zaštita materijala
Belgrade, Serbia : Engineering Society for Corrosion., 57(2), 205-211.
https://doi.org/10.5937/ZasMat1602205J
Jegdić B, Popić JP, Bobić B, Stevanović M. Chemical corrosion of metals and alloys. in Zaštita materijala. 2016;57(2):205-211.
doi:10.5937/ZasMat1602205J .
Jegdić, Bore, Popić, Jovan P., Bobić, Biljana, Stevanović, Maja, "Chemical corrosion of metals and alloys" in Zaštita materijala, 57, no. 2 (2016):205-211,
https://doi.org/10.5937/ZasMat1602205J . .

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