Corrosive wear behavior of chromium carbide coatings deposited by air plasma spraying

The corrosive wear behavior of chromium carbide coatings deposited by air plasma spraying was studied, through wet pin-on-disk wear experiments. During the wear tests, the samples were immersed in corrosive environments consisting of watery hydrochloric acid with the acid concentrations of 5, 10 and...

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Published inCeramics international Vol. 41; no. 6; pp. 7916 - 7920
Main Authors Yaghtin, A.H., Salahinejad, E., Khosravifard, A., Araghi, A., Akhbarizadeh, A.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.07.2015
Subjects
A. Films
Air plasma
C. Wear resistance
Chromium carbide
Coatings
Corrosive wear
D. Carbides
Deposition
Spraying
Wear
Wear tests
D. Carbides
C. Wear resistance
A. Films
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Summary:The corrosive wear behavior of chromium carbide coatings deposited by air plasma spraying was studied, through wet pin-on-disk wear experiments. During the wear tests, the samples were immersed in corrosive environments consisting of watery hydrochloric acid with the acid concentrations of 5, 10 and 15vol%. The wear tests were performed at both room temperature and 80°C. The results showed that the wet environment significantly increased the wear rate. In addition, the increase of the acid concentration and temperature considerably deteriorated the wear resistance of the coated samples. It was also realized that, compared to the dry condition, the wear mechanism changed from abrasive to adhesive in the wet environment where a tribochemical wear was observed.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2015.02.131