ベーマイト皮膜の厚さにおよぼす添加剤および処理液量の影響 ベーマイト処理法に関する研究(第1報)

山田 啓之; 岡本 常義

doi:10.2464/jilm.21.398

ベーマイト皮膜の厚さにおよぼす添加剤および処理液量の影響

ベーマイト処理法に関する研究(第1報)

山田啓之, 岡本常義

著者情報

ジャーナルフリー

1971 年 21 巻 6 号 p. 398-404

DOI https://doi.org/10.2464/jilm.21.398

詳細

発行日: 1971/06/30 受付日: 1971/03/09 J-STAGE公開日: 2008/07/23 受理日: - 早期公開日: - 改訂日: -
訂正情報
訂正日: 2008/07/23 訂正理由: - 訂正箇所: 論文抄録訂正内容: Wrong : Studies were made of the effects of kind and concentration of additives and quantity of solution per unit area upon the thickness of boehmitee films formed in boiling solutions.
The following results were obtained.
(1) The thicknesses of boehmite films formed on aluminum sheets were determined in the following three kinds of solutions:
(a) In triethanolamine solution
(b) In aqueous ammonia
(c) In deionized water} treating in boiling for 60min.
As the results, the former two gave the thicknesses about twice as large as that of the last.
(2) The pH value of the above (b) solution was varied with the time of boiling. Whereas, the above (a) solution showed no such a variation. Therefore, it may be concluded that (a) solution is superior to (b) solution in the stability of pH value.
(3) A relation was found between the treating time and triethanolamine concentration for maximum thickness of boehmite film formed on aluminum sheets when the liquid quantity per unit area was 0.5l/dm². For example, the treating time was 5min. for 0.5% concentration, and was 15min, for 1.5% concentration.
(4) The thickness of boehmite film formed on aluminum sheets in 0.5% solution of triethanolamine was increased with the increase in liquid quantity per unit area; however, it was kept constant when the quantity per unit area was 3.0l/dm² or more.
It was confirmed that the following experimental equation was established between the thickness of boehmite film under the above conditions d(μ), and the treating time, t(min.): d=0.137t^2/3.
(5) The effect of the liquid quantity per unit area was found to be more marked than that of the concentration of triethanolamine on the thickness of the boehmite film.
Right : Studies were made of the effects of kind and concentration of additives and quantity of solution per unit area upon the thickness of boehmite films formed in boiling solutions.
The following results were obtained.
(1) The thicknesses of boehmite films formed on aluminum sheets were determined in the following three kinds of solutions:
(a) In triethanolamine solution
(b) In aqueous ammonia
(c) In deionized water} treating in boiling for 60min.
As the results, the former two gave the thicknesses about twice as large as that of the last.
(2) The pH value of the above (b) solution was varied with the time of boiling. Whereas, the above (a) solution showed no such a variation. Therefore, it may be concluded that (a) solution is superior to (b) solution in the stability of pH value.
(3) A relation was found between the treating time and triethanolamine concentration for maximum thickness of boehmite film formed on aluminum sheets when the liquid quantity per unit area was 0.5l/dm². For example, the treating time was 5min. for 0.5% concentration, and was 15min, for 1.5% concentration.
(4) The thickness of boehmite film formed on aluminum sheets in 0.5% solution of triethanolamine was increased with the increase in liquid quantity per unit area; however, it was kept constant when the quantity per unit area was 3.0l/dm² or more.
It was confirmed that the following experimental equation was established between the thickness of boehmite film under the above conditions d(μ), and the treating time, t(min.): d=0.137t^2/3.
(5) The effect of the liquid quantity per unit area was found to be more marked than that of the concentration of triethanolamine on the thickness of the boehmite film.

訂正日: 2008/07/23 訂正理由: - 訂正箇所: 引用文献情報訂正内容: Wrong : 1) R. K. Hart: Trans. Faraday Soc., 50 (1954), 269.
2) I. S. Kerr: Proc. Phys. Soc., 69B (1956), 1055.
3) T. M. Bryan: J. Soc. Chem. Ind., 69 (1950), 169.
4) W. J. Bernard and J. J. Randall: J. Electrochem. Soc., 107 (1960), 483.
5) M. S. Hunter and P. F. Towner: J. Electrochem. Soc., 108 (1961), 139.
6) D. Altenpohl: Aluminium, 29 (1953), 361.
7) D. Altenpohl: Aluminium, 31 (1955), 10.
8) D. Altenpohl: Aluminium, 31 (1955), 62.
9) D. Altenpohl: Metall, 9 (1955), 164.
10) D. Altenpohl: Metalloberflaeche, 9 (1955), 118.
11) D. Altenphol: Aluminium, 33 (1957), 78.
12) D. Altenpohl: Z. F. Metallkunde, 48 (1957), 306.
13) D. Altenpohl: Metall, 12 (1958), 503.
14) ASTM B137-45.
15) D. Altenpohl: Corrosion, 18 (1962), 143t.
16) W. H. Gitzen, et al.: Alumina Properties (Alcoa Technical Paper No. 10, 1956), 8.

Right : 1) R. K. Hart: Trans. Faraday Soc., 50 (1954), 269.
2) I. S. Kerr: Proc. Phys. Soc., 69B (1956), 1055.
3) T. M. Bryan: J. Soc. Chem. Ind., 69 (1950), 169.
4) W. J. Bernard and J. J. Randall: J. Electrochem. Soc., 107 (1960), 483.
5) M. S. Hunter and P. F. Towner: J. Electrochem. Soc., 108 (1961), 139.
6) D. Altenpohl: Aluminium, 29 (1953), 361.
7) D. Altenpohl: Aluminium, 31 (1955), 10.
8) D. Altenpohl: Aluminium, 31 (1955), 62.
9) D. Altenpohl: Metall, 9 (1955), 164.
10) D. Altenpohl: Metalloberflaeche, 9 (1955), 118.
11) D. Altenphol: Aluminium, 33 (1957), 78.
12) D. Altenpohl: Z. F. Metallkunde, 48 (1957), 306.
13) D. Altenpohl: Metall, 12 (1958), 503.
14) ASTM B137-45.
15) D. Altenpohl: Corrosion, 18 (1962), 143t.
16) W. H. Gitzen, et al.: Alumina Properties (Alcoa Technical Paper No.10, 1956), 8.

訂正日: 2008/07/23 訂正理由: - 訂正箇所: PDFファイル訂正内容: -

抄録

Studies were made of the effects of kind and concentration of additives and quantity of solution per unit area upon the thickness of boehmite films formed in boiling solutions.
The following results were obtained.
(1) The thicknesses of boehmite films formed on aluminum sheets were determined in the following three kinds of solutions:
(a) In triethanolamine solution
(b) In aqueous ammonia
(c) In deionized water} treating in boiling for 60min.
As the results, the former two gave the thicknesses about twice as large as that of the last.
(2) The pH value of the above (b) solution was varied with the time of boiling. Whereas, the above (a) solution showed no such a variation. Therefore, it may be concluded that (a) solution is superior to (b) solution in the stability of pH value.
(3) A relation was found between the treating time and triethanolamine concentration for maximum thickness of boehmite film formed on aluminum sheets when the liquid quantity per unit area was 0.5l/dm². For example, the treating time was 5min. for 0.5% concentration, and was 15min, for 1.5% concentration.
(4) The thickness of boehmite film formed on aluminum sheets in 0.5% solution of triethanolamine was increased with the increase in liquid quantity per unit area; however, it was kept constant when the quantity per unit area was 3.0l/dm² or more.
It was confirmed that the following experimental equation was established between the thickness of boehmite film under the above conditions d(μ), and the treating time, t(min.): d=0.137t^2/3.
(5) The effect of the liquid quantity per unit area was found to be more marked than that of the concentration of triethanolamine on the thickness of the boehmite film.

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