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Mg Alloys: Challenges and Achievements in Controlling Performance, and Future Application Perspectives Read chapter Read first chapter

2018 | OriginalPaper | Chapter

Ni-P-MWNTs Composite Coatings on Magnesium Alloys AZ31 Part 2: Tribological Behavior and MWNTs Content in Coating

Authors : Dong Guo, Sheng Wang, Yongjuan Dai, Shiqing Sun, Sen Qin, Kai Fu

Published in: Magnesium Technology 2018

Publisher: Springer International Publishing

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Abstract

In this study, Ni-P-MWNTs composite coating was successfully deposited on the surface of AZ31 magnesium alloys by electroless plating. The electrochemical properties of the composite coatings were studied by electrochemical workstation system. The corrosion behavior of the composite coatings was evaluated by polarization curves in 3.5 wt% NaCl aqueous solution at room temperature. Its corrosion resistance was improved significantly than AZ31 magnesium alloys. The wear behavior of the coatings was investigated using friction and wear test method. The results indicated that the incorporation of carbon nanotubes in the coating improved both tribological behavior and corrosion resistance. Comparing with Ni-P coating, Ni-P-MWNTs composite coatings showed not only higher wear resistance but also lower friction coefficient. These improvements have been attributed to superior mechanical properties, unique topological structure and high chemical stability of nanotubes.

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previous chapter Ni-P-MWNTs Composite Coatings on Magnesium Alloys AZ31 Part 1: MWNTs Content in Coating
next chapter Adding Dimensions to the Immersion Testing of Magnesium Corrosion
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Metadata
Title
Ni-P-MWNTs Composite Coatings on Magnesium Alloys AZ31 Part 2: Tribological Behavior and MWNTs Content in Coating
Authors
Dong Guo
Sheng Wang
Yongjuan Dai
Shiqing Sun
Sen Qin
Kai Fu
Copyright Year
2018
Book
Magnesium Technology 2018

Print ISBN: 978-3-319-72331-0

Electronic ISBN: 978-3-319-72332-7

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-3-319-72332-7_6

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