Journal of Materials Engineering and Performance

, Volume 27, Issue 8, pp 3961–3971 | Cite as

Alternative Chromium-Free Passivation Combined with Nano-electrodeposition for Electrogalvanized Steel

  • Qingyang Li
  • Fenghuan LiEmail author
  • Maozhong AnEmail author


The combination of chromium-free passivation and nano-electrodeposition was reported to replace chromic acid passivation for electrogalvanized steel. The microstructure, corrosion resistance, scratch resistance and wear resistance of nanocrystalline zinc coating after chromium-free passivation were investigated. It was demonstrated that the nanocrystalline zinc coating after chromium-free passivation mainly consists of ZnO, Zn3(PO4)2, Ti2O3 and/or (Zn(OH)2, ZnHPO4 and TiO2), which possesses better comprehensive properties than conventional coarse-grained zinc coating after commercial trivalent chromium passivation. The reason was also discussed in detail.


chromium-free passivation coatings corrosion and wear inorganic microstructure nano-electrodeposition steel 

Supplementary material

11665_2018_3498_MOESM1_ESM.pdf (2.4 mb)
Supplementary material 1 (PDF 2475 kb)
11665_2018_3498_MOESM2_ESM.pdf (812 kb)
Supplementary material 2 (PDF 812 kb)
11665_2018_3498_MOESM3_ESM.pdf (54 kb)
Supplementary material 3 (PDF 54 kb)
11665_2018_3498_MOESM4_ESM.pdf (953 kb)
Supplementary material 4 (PDF 953 kb)


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Copyright information

© ASM International 2018

Authors and Affiliations

  1. 1.Institute of Advanced Wear and Corrosion Resistant and Functional MaterialsJinan UniversityGuangzhouChina
  2. 2.School of Software EngineeringSouth China University of TechnologyGuangzhouChina
  3. 3.State Key Laboratory of Urban Water Resource and Environment, School of Chemistry and Chemical EngineeringHarbin Institute of TechnologyHarbinChina

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