Corrosion Resistance of Materials of Construction for High Temperature Sulfuric Acid Service in Thermochemical IS Process-Alloy 800, Alloy 600, SUSXM15J1 and SiC-

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  • ＩＳプロセス装置材料の高温硫酸中での耐食性―Ａｌｌｏｙ８００，Ａｌｌｏｙ６００，ＳＵＳＸＭ１５Ｊ１，ＳｉＣの耐食性―
  • ISプロセス装置材料の高温硫酸中での耐食性
  • IS プロセス ソウチ ザイリョウ ノ コウオン リュウサン チュウ デ ノ タイショクセイ
  • —Alloy 800, Alloy 600, SUSXM15J1 and SiC—
  • ―Alloy 800, Alloy 600, SUSXM15J1, SiCの耐食性―

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Description

Exposure tests of candidate materials were carried out up to 1000 hr in the sulfuric acid environments of thermochemical hydrogen production IS process, focusing on the corrosion of welded portion and of crevice area. In the gas phase sulfuric acid decomposition condition at 850°C, welded samples of Alloy 800 and of Alloy 600 showed the same good corrosion resistance as the base materials. In the boiling condition of 95 wt% sulfuric acid solution, test sample of SiC showed the same good corrosion resistance. Also negligible corrosion was observed in crevice corrosion.

Journal

  • Zairyo-to-Kankyo

    Zairyo-to-Kankyo 55 (7), 320-324, 2006

    Japan Society of Corrosion Engineering

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