NDLI: Tribocorrosion Behavior of Fe-Based Amorphous Composite Coating Reinforced by Al$_{2}$O$

Content Provider	Springer Nature Link
Author	Yasir, Muhammad Zhang, Cheng Wang, Wei Zhang, Zhi Wei Liu, Lin
Copyright Year	2016
Abstract	Although corrosion and friction/wear behavior of Fe-based amorphous coatings and their composites has been extensively studied during the past decade, there is very limited work related to tribocorrosion behavior. In this paper, the tribocorrosion behavior of a Fe-based amorphous composite coating reinforced with 20 wt.% Al$_{2}$O$_{3}$ particles was investigated in a 3.5% NaCl solution on a ball-on-disk tester and was compared to the monolithic amorphous coating and 316L stainless steel (SS). The results showed that the amorphous composite coating exhibited the highest tribocorrosion resistance among the three materials tested, as evidenced by the lowest coefficient of friction (~0.3) and tribocorrosion wear rate (~1.2 × 10$^{−5}$ mm$^{3}$/N·m). In addition, potentiodynamic polarization measurements before and during tribocorrosion testing demonstrated that corrosion resistance of the amorphous composite coating was not influenced so much by mechanical loading compared to the amorphous coating and the 316L SS. Observations on the worn surface revealed a corrosion-wear- and oxidational-wear-dominated tribocorrosion mechanism for the composite coatings. The excellent tribocorrosion resistance of the composite coating results from the effect of chemically stable Al$_{2}$O$_{3}$ phase which resists oxidation and delamination during sliding, along with poor wettability with corrosive NaCl droplets.
Starting Page	1554
Ending Page	1560
Page Count	7
File Format	PDF
ISSN	10599630
Journal	Journal of Thermal Spray Technology
Volume Number	25
Issue Number	8
e-ISSN	15441016
Language	English
Publisher	Springer US
Publisher Date	2016-09-20
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Al$_{2}$O$_{3}$ addition Fe-based amorphous coating tribocorrosion wettability Surfaces and Interfaces, Thin Films Tribology, Corrosion and Coatings Characterization and Evaluation of Materials Operating Procedures, Materials Treatment Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Materials Chemistry Condensed Matter Physics

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