Corrosion behavior of zirconium based alloys in simulated body fluids

Yusuke Tsutsumi, Yousuke Takano, Hisashi Doi, Kazuhiko Noda, Takao Hanawa

研究成果: Conference contribution

6 引用 (Scopus)

抜粋

The corrosion behavior of Zr-Ti and Zr-Hf alloys with various concentrations in properly deaerated Hanks' solution were investigated by electrochemical techniques. The effects of the thermal treatment with the purpose of homogenization of chemical composition on the pitting potentials of the Zr-Ti alloys were also examined. The results indicated that sufficient addition of Ti to Zr improved its corrosion resistance, especially in terms of the pitting potential and the passive current density. On the other hand, addition of Hf totally lowered the corrosion resistance of the alloy. The thermal treatment improved the pitting corrosion property of Zr-Ti alloys, and Zr alloys with over 5mol% Ti showed much higher pitting potentials than that of pure Zr. The treatment also improved the reproducibility of the measurement and narrowed the data scattering. This phenomenon was discussed with the model of rapidly-cooled metallographic structure.

元の言語English
ホスト出版物のタイトルSelected, peer reviewed papers from The Sixth Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6
ページ1489-1492
ページ数4
エディションPART 2
出版物ステータスPublished - 2007 12 1
イベント6th Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6 - Jeju, Korea, Republic of
継続期間: 2007 11 52007 11 9

出版物シリーズ

名前Materials Science Forum
番号PART 2
561-565
ISSN(印刷物)0255-5476

Conference

Conference6th Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6
Korea, Republic of
Jeju
期間07/11/507/11/9

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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  • これを引用

    Tsutsumi, Y., Takano, Y., Doi, H., Noda, K., & Hanawa, T. (2007). Corrosion behavior of zirconium based alloys in simulated body fluids. : Selected, peer reviewed papers from The Sixth Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6 (PART 2 版, pp. 1489-1492). (Materials Science Forum; 巻数 561-565, 番号 PART 2).