Efficient growth of anodic films on magnesium in organic electrolytes containing fluoride and water

Habazaki, Hiroki; Kataoka, Fumitaka; Tsuji, Etsushi et al.

Electrochemistry Communications, 2014, 46, 30-32

Permalink : https://hdl.handle.net/2115/57662

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アクセス権
open access
URI
https://hdl.handle.net/2115/57662
タイトル
Efficient growth of anodic films on magnesium in organic electrolytes containing fluoride and water
著者
Habazaki, Hiroki ; Kataoka, Fumitaka ; Tsuji, Etsushi ; Aoki, Yoshitaka ; Nagata, Shinji ; Skeldon, Peter ; Thompson, George E.
e-Rad_Researcher
50208568
著者名
Habazaki, Hiroki
著者名
Kataoka, Fumitaka
著者名
Tsuji, Etsushi
著者名
Aoki, Yoshitaka
著者名
Nagata, Shinji
著者名
Skeldon, Peter
著者名
Thompson, George E.
言語
英語
キーワード
Anodizing
Magnesium
Anodic film
Organic electrolyte
Fluoride
発行日
2014-09
出版者
Elsevier Science
収録物名
Electrochemistry Communications
巻(号)
46
ページ
30-32
抄録
The present study reports, for the first time, the highly efficient formation of barrier-type anodic films, with flat and parallel metal/film and film/electrolyte interfaces, on magnesium in ethylene glycol electrolytes containing ammonium fluoride and water. The anodizing voltage increases linearly with time during galvanostatic anodizing at 10Am(-2) up to 350 V.The anodic film formed to 200V is 247 nm thick, containing a crystalline MgF2 phase. Analysis by Rutherford backscattering spectroscopy discloses the film composition of MgF1.8O0.1 and Pilling-Bedworth ratio (PBR) of 1.67. The PBR value greater than unity and the formation of chemically stable fluoride-based films may contribute to the film growth at high current efficiency.
資源タイプ
学術雑誌論文
出版タイプ
Accepted Manuscript
PISSN
1388-2481
関連情報 (isVersionOf)
出版社版DOI
https://doi.org/10.1016/j.elecom.2014.06.011