Date of Publication:2012-01-01

Journal:机械工程材料

Affiliation of Author(s):机械工程学院

Volume:36

Issue:4

Page Number:37

ISSN No.:1000-3738

Abstract:A large-area superhydrophilic/superhydrophobic aluminum plate was
   prepared by moving-typed cathode based on the electrochemical machining
   and fluoridation technology.The morphology and composition of the
   aluminum plate surface were analyzed by scanning electron microscopy and
   energy disperse spectroscopy,and the contact angle and roll angle were
   measured by a contact angle meter,respectively.The results show that it
   was feasible to prepare the large-area superhydrophilic/superhydrophobic
   aluminum plate by the moving-typed cathode,and the superhydrophilic
   aluminum plate surface with a binary micrometer-nanometer-scale rough
   structure was found after electrochemical machining,and the contact
   angle of the surface relative to water was 0°.This superhydrophilic
   surface could be turned into the superhydrophobic surface with a water
   contact angle of 167° and a roll angle less than 3° after fluoridation
   treatment.

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