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J. Jpn. Inst. Met. 59(9) 967.pdf854.47 kBPDFView/Open
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Title: 溶融アルミニウム浸漬被覆-陽極酸化によるニオブの耐酸化処理
Other Titles: Oxidation Resistant Coating for Niobium by Combining Hot Dipping in Molten Aluminum Coating and Anodize Oxidation
Authors: 公門, 武1 Browse this author
鈴木, 亮輔2 Browse this author →KAKEN DB
小野, 勝敏3 Browse this author
Authors(alt): Kumon, Takeshi F.1
Suzuki, Ryosuke O.2
Ono, Katsutoshi3
Keywords: alumina coating
oxidation resistance
anodic oxidation
hot dipping
aluminum film
Issue Date: 1-Sep-1995
Publisher: 日本金属学会
Journal Title: 日本金属学会誌
Journal Title(alt): Journal of the Japan Institute of Metals
Volume: 59
Issue: 9
Start Page: 967
End Page: 972
Publisher DOI: 10.2320/jinstmet1952.59.9_967
Abstract: The combination of hot dipping in molten aluminum and the subsequent anodic oxidation to dense Al2O3 films was studied to prepare an oxidation-resistant coating on niobium surface. By immersing Nb into a molten Al bath, granular NbAl3 was precipitated and improved the coherency of the film to the substrate. Amorphous Al2O3 was formed by anodic oxidation of the Al layer and crystallized to corrosion resistant α-Al2O3 by the subsequent heat treatment. The Nb substrate after this combined treatment did not form any niobium oxides even after heating in air for 64.8 ks at 1073 K, and the oxygen increment in the Nb bulk was suppressed below 400 mass ppm.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 鈴木 亮輔

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