噴霧状海水による鋳鉄の腐食

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書誌事項

タイトル別名
  • Corrosion of Some Cast Irons by Sprayed Sea Water
  • フンキリジョウ カイスイ ニヨル チュウテツ ノ フショク

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説明

  A study on sea water corrosion of grey cast irons was carried out under the most critical conditions conforming to the splash zone, and the influence of fundamental component, graphite form and matrix structure of cast iron was clarified. The fundamental components, in particular, C and Si content have a major influence on corrosion resistance. When C content decreases or Si content increases, corrosion resistance is improved. The influence of graphite form of corrosion is governed by the difference in the continuity of graphite. The progressive corrosion occurs quickly in the iron of higher graphite continuity, and corrosion rate decreases in the order of lower graphite continuity (FCD<CV<FC<Eutectic). Furthermore, influence of matrix structure is also large. The most corrosion resistant structure was white cast iron with ledeburite matrix, the next was grey cast iron with ferrite matrix. When pearlite content increases, corrosion resistance declines.

収録刊行物

  • 鋳物

    鋳物 54 (9), 605-611, 1982

    公益社団法人 日本鋳造工学会

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