Overview of Corrosion Studeis on Carbon Steel,Titanium and Copper as Overpack Materials in Simulated Geological Disposal Environments

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Other Title
  • オーバーパック材料としての炭素鋼，チタン，銅の地層処分模擬環境中における腐食特性研究の現状
  • オーバーパック ザイリョウ ト シテ ノ タンソコウ,チタン,ドウ ノ チソウ ショブン モギ カンキョウ チュウ ニ オケル フショク トクセイ ケンキュウ ノ ゲンジョウ

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Description

Carbon steel, titanium and copper are thought to be candidate materials for an overpack used for the geological disposal of radioactive wastes. In this paper, electrochemical and corrosion studies on the materials in simulated geological disposal environments are reviewed. Deaerated or aerated, single or mixed solutions of NaCl, Na2SO4 and NaHCO3 and bentonite soaked with these solutions have been used as simulated geological disposal environments. Anodic and cathodic polarization curves, corrosion rates, surface films, general corrosion, pitting, crevice corrosion, hydrogen embrittlement, and stress-corrosion cracking of the materials in the environments have been examined.

Journal

  • Corrosion Engineering

    Corrosion Engineering 62 (6), 208-217, 2013

    Japan Society of Corrosion Engineering

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