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Copper Immersion Deposition on Magnesium Alloy: The Effect of Fluoride and Temperature
Author(s) -
Lianxi Yang,
B. Luan
Publication year - 2005
Publication title -
journal of the electrochemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.258
H-Index - 271
eISSN - 1945-7111
pISSN - 0013-4651
DOI - 10.1149/1.1923728
Subject(s) - copper , immersion (mathematics) , x ray photoelectron spectroscopy , magnesium , magnesium fluoride , hydrofluoric acid , dielectric spectroscopy , chemistry , magnesium alloy , electrochemistry , scanning electron microscope , materials science , corrosion , metallurgy , deposition (geology) , inorganic chemistry , alloy , chemical engineering , composite material , electrode , paleontology , mathematics , sediment , pure mathematics , engineering , biology
A study was carried out to examine copper immersion deposition on AZ91 magnesium alloy in a hydrofluoric acid-containing bath. The role of fluoride and the effect of bath temperature were investigated. The study was performed by measuring the ac impedance and open-circuit potentials in combination with X-ray photoelectron spectroscopy and scanning electron microscopy surface analysis. Results showed that the effect of both HF concentration and temperature on copper immersion deposition is significant, via affecting the surface film formation on the magnesium surface. A model for understanding the copper immersion deposition process is depicted based on surface characterization and the electrochemical measurements.Peer reviewed: YesNRC publication: Ye

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