電解着色アルミニウムの皮膜構造と選択吸収特性について
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概要
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Aluminum sheets were anodically oxidized in phosphoric acid under the conditions of (1) D. C. 20V electrolysis, (2) A. C. 20V electrolysis, (3) current recovery from D. C. 30V to 20V, and (4) stepwise elevation of A. C. voltage 5-10-15-20V and were colored in nickel sulfate bath. The spectral selectivity and the film structure were measured by spectroscopy and scanning electron microscopy respectively. The color-anodized surfaces formed under the above conditions have more complicated structures in order of (1)<(2)<(3)<(4). The spectral selective absorptivity is in good agreement with the structural complication in order of (1)<(2)_??_(3)<(4). The more complicated structure of the color-anodized film ensures the spectral selectivity more intensified.
- 一般社団法人 軽金属学会の論文
一般社団法人 軽金属学会 | 論文
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