各種濃度の硫酸水溶液中におけるステンレス鋼の耐食性指標

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書誌事項

タイトル別名
  • General Corrosion Resistance Index (<i>GI</i>) of Stainless Steels in Various Concentrations of Sulfuric Acid Solution
  • カクシュ ノウド ノ リュウサン スイヨウエキチュウ ニ オケル ステンレス
  • General Corrosion Resistance Index (GI) of Stainless Steels in Various Concentrations of Sulfuric Acid Solution

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説明

In order to generalize GI (General Corrosion Resistance Index) derived from the effects of alloy contents on the corrosion rate of stainless steel, the GI for Fe-Cr-Ni-Mo-Cu system stainless steels in various concentrations of sulfuric acid was introduced. It was clarified that the type of functional formula between general corrosion rate and GI did not change with the concentration of sulfuric acid. The coefficient of alloying elements in GI equation, however, varied depending upon the sulfuric acid concentration, and also the hydrosulfate ion and hydrogen ion dissociated from the sulfuric acid affected both reaction of metal-dissolution and of hydrogen-ion-reduction.

収録刊行物

  • 材料と環境

    材料と環境 42 (11), 708-713, 1993

    公益社団法人 腐食防食学会

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