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Abstract The composition and structure of anodic oxide films on aluminum formed in sulphuric acid solution and cold sealed with BY02 agent were investigated by means of X-ray diffraction, infrared spectroscopy, thermogravimetry and differential thermal analysis. Anodic oxide films are mainly composed of amorphous alumina, including sulphate, Boehmite AlOOH, nickel hydroxide Ni(OH)_2 and aluminum fluoride AlF_3 are formed in cold sealing. The cold sealing reaction mechanism was also discussed.
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Received: 25 August 1992
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Cite this article:
Li Yi; Zhu Zufang(General Research Institute for Non-Ferrous Metals; Beijing) Jiang Zhiyu and Yan Manming(Fudan University). MECHANISM OF COLD SEALING OF ANODIC OXIDE FILMS ON ALUMINUM Ⅰ. COMPOSITION AND STRUCTURE OF COLD SEALED OXIDE FILMS. J Chin Soc Corr Pro, 1992, 12(4): 315-320.
URL:
https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1992/V12/I4/315
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