Electrodeposition of high phosphorus Ni-P alloys in emulsified supercritical CO2 baths

Wen Ta Tsai, Sung Ting Chung

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


The use of an emulsified supercritical CO2 (sc-CO2) bath for electrodeposition of Ni-P alloys was attempted. The material characteristics of the deposits with various P contents, formed by varying theelectrolyte composition and deposition current density, were investigated by means of scanning elec-tron microscopy (SEM), energy dispersive spectroscopy (EDS), and X-ray diffraction (XRD) for surface morphology and chemical composition and crystal structure analyses. The experimental results showed that the presence of sc-CO2in the electrodeposition bath could substantially improve the microhardness and the corrosion performance of the as-deposited Ni-P coatings. The roles of phosphorus and carbon in modifying the material properties of the deposits are discussed in detail.

Original languageEnglish
Pages (from-to)292-297
Number of pages6
JournalJournal of Supercritical Fluids
Publication statusPublished - 2014 Nov

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry


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