[Kovove materialy - Metallic materials]
    Mon - April 22, 2024 - 05:26 No. of hits : 1743019 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 56 (2018), Issue 6

The tribocorrosion behavior of Ni-P and Ni-P-ZrO2 coatings
vol. 56 (2018), no. 6, pp. 379 - 387
DOI: 10.4149/km_2018_6_379

In this research, tribocorrosion behavior of Ni-P-ZrO2 electroless composite coating has been investigated in 3.5 wt.% NaCl solution. The steel samples were deposited by electroless deposition to form Ni-P and Ni-P-ZrO2 coatings. XRD and SEM were used to evaluate the microstructure of the coatings. Also, the corrosion and tribocorrosion behavior of the coatings have been investigated in 5 wt.% NaCl electrolytes. The results showed that the repassivation rate of Ni-P-ZrO2 composite coating was higher than the mechanical depassivation rate. Also, the corrosion resistance of the Ni-P coating was lower than that of Ni-P-ZrO2 composite coating after tribocorrosion. Moreover, the synergistic effects of corrosion and wear at an anodic potential (–100 mVAg/AgCl) indicated that corrosion had more contribution to the weight loss in Ni-P coating rather than that of Ni-P-ZrO2 coating.

Key words
tribocorrosion, electroless, composite, zirconia, coating

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.

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