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Title:An impedance study of two types of stainless steel in Ringer physiological solution containing complexing agents
Authors:ID Slemnik, Mojca (Author)
ID Milošev, Ingrid (Author)
Files:URL http://dx.doi.org/10.1007/s10856-006-0180-0
 
Language:English
Work type:Unknown
Typology:1.01 - Original Scientific Article
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:The effect of complexing agents EDTA and citric acid on the electrochemical behaviour of AISI 304 and orthopaedic stainless steels in Ringer physiological solution was investigated by potentiodynamic polarization method and electrochemical impedance spectroscopy (EIS). The content of Mo has a pronounced effect on the corrosion resistance, as evident by the broader passive range of the orthopaedic stainless steel containing Mo. The addition of complexing agents induces significant changes in polarization and impedance characteristics, i.e., the shift of corrosion and breakdown potentials in a more negative direction, an increase in current density, and a significant decrease in charge transfer resistance. The results were interpreted by the formation of soluble complexes of metal ions with chelating agents, especially EDTA, which suppressed the formation of the outer Fe(III) layer of the passive film. The impact of complexing agent on the electrochemical parameters was found to be related to its concentration in electrolyte and the stability constant of the complex formed with the related metal ion.
Keywords:resistance, corrosion resistance, stainless steel, orthopedy, potentiodynamic polarization emthod, electrochemical impedance spectroscopy
Year of publishing:2006
PID:20.500.12556/DKUM-25754 New window
UDC:620.193:617.3
ISSN on article:0957-4530
COBISS.SI-ID:10666262 New window
NUK URN:URN:SI:UM:DK:DJ91ZCAZ
Publication date in DKUM:31.05.2012
Views:2038
Downloads:119
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
SLEMNIK, Mojca and MILOŠEV, Ingrid, 2006, An impedance study of two types of stainless steel in Ringer physiological solution containing complexing agents. Journal of materials science. Materials in medicine [online]. 2006. [Accessed 18 March 2025]. Retrieved from: http://dx.doi.org/10.1007/s10856-006-0180-0
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Record is a part of a journal

Title:Journal of materials science. Materials in medicine
Shortened title:J. mater. sci., Mater. med.
Publisher:Chapman and Hall
ISSN:0957-4530
COBISS.SI-ID:168475 New window

Secondary language

Language:English
Keywords:obstojnost materiala, korozijska obstojnost, nerjavno jeklo, ortopedija, potenciodinamična polarizacija, elektrokemijska impedančna spektroskopija


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