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2023 Fiscal Year Final Research Report

Effect of superimposition of magnetic and electric fields on the pore formation in anodizing film on metal surface

Research Project

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Project/Area Number 21K04740
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 26060:Metals production and resources production-related
Research InstitutionKumamoto University

Principal Investigator

Kozuka Toshiyuki  熊本大学, 大学院先端科学研究部(工), 准教授 (60205424)

Project Period (FY) 2021-04-01 – 2024-03-31
Keywords金属の陽極酸化 / 強磁場 / ナノチューブ / ナノポア / 光触媒
Outline of Final Research Achievements

In this research, metal anodization behavior was investigated with mainly titanium, and partially aluminum and zirconium. In titanium and zirconium anodization, nano-structure of anodized surface was composed of nano-tube, and in aluminum anodization, nano-pore is main structure. In anodization under high magnetic field, the tube size or pore size was effected by magnetic field imposition. In titanium anodization, obtained nano-tube had the photo-catalystic property, and magnetic field can promote the photo-catalystic property.

Free Research Field

材料電磁プロセッシング

Academic Significance and Societal Importance of the Research Achievements

金属の陽極酸化プロセスは一般的な表面処理技術であるが,本研究は強磁場中で陽極酸化を行うことで,陽極酸化皮膜の従来もt機能性を向上することができるところに着目する。また,陽極酸化皮膜が従来持ち得なかった機能をも発言できる可能性がある。強磁場印加により陽極酸化皮膜の結晶方向を操作し,熱処理後の結晶サイズを粗大かつ均一にすることができると同時に,酸化膜の成膜速度を増加することができる。以上の観点から,本技術により人類社会の持続的な発展に寄与することができる。

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Published: 2025-01-30  

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