日本から出土した鋳鉄製遺物の金属組織と腐食の研究 Corrosion and Metallographic Study of Some Archaeological Cast Iron Objects from Japan

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Most of the iron objects dug out from the archaeological sites in Japan have been corroded. The further corrosion of cast iron objects proceeds after excavation, and the objects become to decay quickly. For the conservation of the iron objects, which are common cultural properties from our ancient, for the coming age, it is of great importance to know the origin or process of corrosion. The distribution of the corrosion accelerating anions (such as chloride ion or sulfite ion.) have been investigated in these cast iron objects of 16th-19th century. The hyper-eutectic iron object contained chloride ion at center of carbon flakes in metallic and its surface have been corroded with a scale pattern at plates of carbon flakes. The iron objects with Ledeburite structure show strong corrosion resistant, but it cracks to a fine block and decay. An iron object of 19th century has been kept the shape with the eutectic of the phosphide compound, called steadite structure. The types of corrosion process of the archaeological cast iron objects have been controlled by the metallographic phases.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 46(5), 478-483, 1999-05-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002262411
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    4737215
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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