NDLI: Control of Friction Distribution on Stainless Steel Surface in Sodium Dodecyl Sulfate Aqueous Solution by Bipolar Electrochemistry

Content Provider	Springer Nature Link
Author	Zhang, Jun Meng, Yonggang Yu, Xiang
Copyright Year	2015
Abstract	It is demonstrated that bipolar electrochemistry can be used to create friction distribution on stainless steel surface, measured by ball-on-disk friction test. Stainless steel samples (AISI 316L), acting as bipolar electrode, were immersed in sodium dodecyl sulfate (SDS) aqueous solution and exposed to an electric field to establish a potential gradient along the surface. In this way, a molecular gradient of adsorbed SDS on stainless steel was created dependent on the potential gradient, acting as boundary lubrication film to form friction distribution. In conjunction with ellipsometric measurement, the potential-induced molecular gradient on stainless steel surface was further visualized. The friction coefficient at the cathodic pole is higher than that at the other pole, as the adsorbed SDS molecules are repelled by electrostatic repulsion. The distribution profile of friction can be easily altered by adjusting the applied current in solution. The morphological differences in the worn surface of different positions were given, in accordance with the friction distribution. This novel approach of active control enables rapid simultaneous control of friction distribution on a conducting surface.
Starting Page	1
Ending Page	8
Page Count	8
File Format	PDF
ISSN	10238883
Journal	Tribology Letters
Volume Number	59
Issue Number	3
e-ISSN	15732711
Language	English
Publisher	Springer US
Publisher Date	2015-07-30
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bipolar electrochemistry Boundary lubrication Surfactant Stainless steel Friction distribution Tribology, Corrosion and Coatings Surfaces and Interfaces, Thin Films Theoretical and Applied Mechanics Physical Chemistry Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Mechanics of Materials Mechanical Engineering Surfaces and Interfaces

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Stick–Slip Friction of Stainless Steel in Sodium Dodecyl Sulfate Aqueous Solution in the Boundary Lubrication Regime

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Erratum to: Response Characteristics of the Potential-Controlled Friction of ZrO$_{2}$/Stainless Steel Tribopairs in Sodium Dodecyl Sulfate Aqueous Solutions

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Control of Friction Distribution on Stainless Steel Surface in Sodium Dodecyl Sulfate Aqueous Solution by Bipolar Electrochemistry

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