Control of Friction Distribution on Stainless Steel Surface in Sodium Dodecyl Sulfate Aqueous Solution by Bipolar Electrochemistry
作者： Jun Zhang , Yonggang Meng , Xiang Yu
DOI: 10.1007/S11249-015-0571-9
关键词:
摘要: It is demonstrated that bipolar electrochemistry can be used to create friction distribution on stainless steel surface, measured by ball-on-disk test. Stainless samples (AISI 316L), acting as electrode, were immersed in sodium dodecyl sulfate (SDS) aqueous solution and exposed an electric field establish a potential gradient along the surface. In this way, molecular of adsorbed SDS was created dependent gradient, boundary lubrication film form distribution. conjunction with ellipsometric measurement, potential-induced surface further visualized. The coefficient at cathodic pole higher than other pole, molecules are repelled electrostatic repulsion. profile easily altered adjusting applied current solution. morphological differences worn different positions given, accordance This novel approach active control enables rapid simultaneous conducting
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