Corrosion-wear monitoring of TiN coated AISI 316 stainless steel by electrochemical noise measurements

A modified electrochemical noise (EN) technique has been applied to monitor corrosion-wear of TiN coated AISI 316 stainless steel sliding against corundum in 0.5 M H 2SO 4. Experimental results show that the EN technique can sensitively detect potential and current variations during a corrosion-wear...

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Bibliographic Details
Published inApplied surface science Vol. 253; no. 3; pp. 1194 - 1197
Main Authors Quan, Zhenlan, Wu, Pei-Qiang, Tang, Lin, Celis, J.-P.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 30.11.2006
Subjects
Corrosion-wear
Electrochemical noise
TiN coatings
Electrochemical noise
Corrosion-wear
TiN coatings
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Summary:A modified electrochemical noise (EN) technique has been applied to monitor corrosion-wear of TiN coated AISI 316 stainless steel sliding against corundum in 0.5 M H 2SO 4. Experimental results show that the EN technique can sensitively detect potential and current variations during a corrosion-wear process. Corrosion-wear mechanisms of TiN coatings depend on their substrate properties. When the substrate is passive, such as AISI 316 stainless steel, the potential and current variations reflect the properties of coatings. Depassivation and repassivation alternately take place on the tribo-activated wear area during the steady-state phase.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2006.01.062