Zairyo-to-Kankyo
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ONLINE ISSN: 1881-9664
PRINT ISSN: 0917-0480

Zairyo-to-Kankyo Vol. 63 (2014), No. 4

  • Corrosion of Carbon Steel in Aqueous Solution

    pp. 109-115

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    DOI:10.3323/jcorr.63.109

    Corrosion process of carbon steel in aqueous solution under the atmospheric environment and the oxygen depleted environment has been reviewed by focusing the corrosion film formed on carbon steel in neutral pH. In the neutral solution under the atmospheric condition which contains oxygen, the critical pH to form the corrosion film and the precipitation ratio of dissolved iron ions depending on pH and the parabolic growth rate law were discussed. Under oxygen depleted environment, H2O works as oxidizing agent to oxidize Fe to produce Fe3O4 film with production of H2 gas. At high temperatures, the dissolution process of the Fe3O4 film controls the corrosion rate, whereas, at lower temperatures, the film growth process controls the corrosion rate and a steady dissolution rate of Fe3O4 film determines the corrosion rate after long exposure time.
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    Readers Who Read This Article Also Read

    1. Recent Scientific Progress of High Temperature Corrosion in Japan Zairyo-to-Kankyo Vol.63(2014), No.4
    2. Corrosion Behavior of Aluminum Alloy in Sodium Chloride Solution at Low Temperature Zairyo-to-Kankyo Vol.47(1998), No.10
  • Present State and Visions of Evaluation Methods for Atmospheric Corrosion

    pp. 116-120

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    DOI:10.3323/jcorr.63.116

    Atmospheric corrosion commonly initiates and develops under thin water films formed by dew or rain drops. A composition of water film depends on the air pollutant deposition rate, and changes with the humidity and temperature conditions of the atmosphere. Many sensors and the measurement techniques have been developed to evaluated corrosivities in atmospheric environments and corrosion behaviors in those environments. In this paper, the present state and visions of atmospheric corrosion researches are discussed based on the roles of water and deposits and environmental factors which are evaluated by those sensors and measurement techniques.
  • The State of the Art on Passivation and Passive Films

    pp. 121-126

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    DOI:10.3323/jcorr.63.121

    The recent investigation on passivation and passive oxide film of metals was reviewed. The development of analytical techniques and apparatuses are introduced. In the recent two decades, Raman spectroscopy, SPM, and radiation X-ray spectroscopy are widely applied. For the passive oxide films on iron, the composition of γ-Fe2O3- Fe3O4 has been detected. The following themes were discussed; mechanism of the oxide film growth and dehydration of the passive oxide film. Future prospects on the investigation on passivation and passive oxide film were described in which development of the in-situ techniques in sub nm levels with a quite high response was stressed.
  • Recent Scientific Progress of High Temperature Corrosion in Japan

    pp. 127-131

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    DOI:10.3323/jcorr.63.127

    Recent research progress of high temperature corrosion and protection in Japan was summarized in groups of Al2O3 scale, synchrotron radiation method, water vapor effect, metal dusting, hot corrosion, halogen vapor effect, simulation method and analyses, breakaway phenomena, interaction between stress and oxidation behavior, refractory metals, TiAl, and coatings (Pt addition, DBC system, coating on TiAl, Electrolytic deposition from fused salts.
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    Readers Who Read This Article Also Read

    1. Corrosion of Carbon Steel in Aqueous Solution Zairyo-to-Kankyo Vol.63(2014), No.4
  • Recent Progress and Future Directions in Studies on Localized Corrosion

    pp. 132-137

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    DOI:10.3323/jcorr.63.132

    Recent studies on localized corrosion of corrosion-resistant metals and alloys are reviewed from the viewpoint of the development of new techniques that enable in situ and real-time observation of changes in morphology and solution chemistry during the initiation process of localized corrosion. Some examples of application of the new techniques are shown, focusing on the initiation of pitting, crevice corrosion and stress corrosion cracking on stainless steels.
  • RBM towards Risk Based Corrosion Engineering

    pp. 138-144

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    DOI:10.3323/jcorr.63.138

    Based on the current tendency in early 21th century regarding the plenty of the occurrence of failures in the field of social and industrial infrastructures, the importance of RBM and its expected future are mentioned. From the view points of the necessarily of environmental conservation and natural resources preservation, change of the maintenance technology, concept of RBM, current situation of risk based corrosion technology and its systemization, activities of JSPS #180 committee (Risk based asset management committee) and the technologies which should be improved in the near future for better maintenance are introduced.
  • 持続可能社会実現に向けた低合金耐食鋼の役割

    pp. 145-147

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    DOI:10.3323/jcorr.63.145

  • 自動車用表面処理鋼板の腐食研究の歴史と展望

    pp. 148-150

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    DOI:10.3323/jcorr.63.148

  • ステンレス鋼・高合金

    pp. 151-155

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    DOI:10.3323/jcorr.63.151

  • アルミニウム合金の技術動向

    pp. 156-157

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    DOI:10.3323/jcorr.63.156

  • 銅管の腐食防食に関するここ数十年の研究と将来展望

    pp. 158-162

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    DOI:10.3323/jcorr.63.158

  • チタン

    pp. 163-164

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    DOI:10.3323/jcorr.63.163

  • 長繊維強化セラミックス基複合材料の腐食防食技術の変遷と将来展望

    pp. 165-169

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    DOI:10.3323/jcorr.63.165

  • 塗料・塗装

    pp. 170-174

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    DOI:10.3323/jcorr.63.170

  • 溶射

    pp. 175-179

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    DOI:10.3323/jcorr.63.175

  • 電気防食と被覆防食の現状と将来

    pp. 180-186

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    DOI:10.3323/jcorr.63.180

  • 石油化学プラント

    pp. 187-192

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    DOI:10.3323/jcorr.63.187

  • 環境サイドから見た腐食防食技術の課題と展望:原子力エネルギーの利用

    pp. 193-198

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    DOI:10.3323/jcorr.63.193

  • 水処理におけるインヒビターの現状と将来

    pp. 199-201

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    DOI:10.3323/jcorr.63.199

  • 環境サイドから見た社会インフラ(鋼構造物)の防食

    pp. 202-205

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    DOI:10.3323/jcorr.63.202

  • 電子機器

    pp. 206-209

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    DOI:10.3323/jcorr.63.206

  • 環境- エネルギープラント高温部材における腐食防食

    pp. 210-214

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    DOI:10.3323/jcorr.63.210

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