Effects of Graphite Nodule Size on Corrosion Resistance of Borided Spheroidal Graphite Cast Iron

• Ikenaga Akira

  大阪府立大学工学部　工博

• Kawamoto Makoto

  大阪府立大学工学部　工博

• Nitta Yasuhiro

  大阪府立大学工学部大学院

• Sato Yukihiro

  大阪府立産業技術総合研究所

• Araki Hiroji

  奈良県立工業技術センター

Bibliographic Information

Other Title

• ほう化処理した球状黒鉛鋳鉄の耐食性に及ぼす黒鉛粒径の影響
• ホウカ ショリシタ キュウジョウ コクエン チュウテツ ノ タイショクセイ ニ

Abstract

  Although boronizing is known as a useful surface-improving treatment for spheroidal graphite cast iron (SG iron) , the corrosion resistance of boronized SG iron has seldom been reported. Graphite configuration, however, seems to affect on the morphology of boride layer and the corrosion resistance in SG iron. Anodic polarization measurements are performed on 0.01NHCl solution to study the effect of boronizing on the corrosion resistance of SG irons with identical chemical composition and different graphite nodule sizes or counts. The results show that : (1) Boronizing improves corrosion resisitance in SG iron, and FeB is more effective than Fe₂B. (2) Increasing the graphite nodule size decreases the corrosion resistance of boronized specimens, as well as untreated and oil-quenched specimens.

Journal

• Journal of Japan Foundry Engineering Society

  Journal of Japan Foundry Engineering Society 68 (3), 228-234, 1996

  Japan Foundry Engineering Society

Details

• CRID: 1390282681482686336
• NII Article ID: 130004556226
• NII Article ID: 10002113139
• NII Book ID: AN10514770
• DOI: 10.11279/jfes.68.228
• ISSN: 21855374
• ISSN: 13420429
• NDL BIB ID: 3976338
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I3976338
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • CiNii Articles
• Abstract License Flag: Disallowed