The Effect of Anodizing on the Corrosion Fatigue Behavior of 2024-T3 Aluminum Alloy

• TU George C.

  Department of Mechanical Engineering, National Chiao Tung University

• CHEN Iee Teng

  Department of Mechanical Engineering, National Chiao Tung University

• HWANG Reng Yow

  Department of Mechanical Engineering, National Chiao Tung University Chung Shan Institute of Science and Technology

抄録

The corrosion fatigue (CF) behavior, under a constant deflection bending condition with a pulsating tension stress form, of anodized 2024-T3 aluminum alloy in 3.5% NaC1 solution was studied in parallel with that of unanodized alloy. Similarities and differences in the corrosion potential (E_<corr>) variations during the CF process were found between them. These behaviors presumably can be explained by the`cracking of anodic film' and the theory of`imperfect recovery of surface film'. It is suggested that the E_<corr> monitoring technique can be useful for determining the remaining CF life of existing structural parts made of this alloy or other Al alloys regardless of whether or not the alloy was anodized. Furthermore, the T3 temper provides a microstructure which may retard main crack formation and penetration in the CF process of anodized alloy ; this partly lessens the negative effect of the readily crackable anodic film.

収録刊行物

• JSME international journal. Ser. 1, Solid mechanics, strength of materials

  JSME international journal. Ser. 1, Solid mechanics, strength of materials 33 (4), 527-534, 1990-10-15

  一般社団法人日本機械学会

キーワード

• Corrosion Fatigue
• 2024-T3 Al Alloy
• Anodizing
• E_<corr> Variation
• Imperfect Recovery

詳細情報

• CRID: 1571698602097004800
• NII論文ID: 110002347661
• NII書誌ID: AA10680585
• ISSN: 09148809
• 本文言語コード: en
• データソース種別:
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