| Budget Amount *help |
¥17,160,000 (Direct Cost: ¥13,200,000、Indirect Cost: ¥3,960,000)
Fiscal Year 2021: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2020: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
Fiscal Year 2019: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
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| Outline of Final Research Achievements |
The formation behaviors of the anodic aluminum oxide film formed on high-purity aluminum and various aluminum alloys were investigated by anodizing in novel electrolyte solutions. The structural changes of the anodic aluminum oxide were discussed by high-resolution electron microscopy, and their nanomorphology can be accurately controlled by the choosing of appropriate anodizing conditions. A corrosion-resistant aluminum plate covered with a novel porous alumina film could be successfully fabricated by anodizing aluminum in etidronic acid, pyrophosphoric acid, and sodium tetraborate solutions.
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