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首页> 美国政府科技报告 >Microbial corrosion and cracking in steel. Assessment of soil corrosivity using an electrochemical soil corrosion probe
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Microbial corrosion and cracking in steel. Assessment of soil corrosivity using an electrochemical soil corrosion probe

机译：微生物腐蚀和钢的开裂。使用电化学土壤腐蚀探针评估土壤腐蚀性

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An electrochemical soil corrosion probe has been designed, manufactured, and tested at five different locations in the field. The probe includes facilities for hydrogen permeation measurements, local soil resistivity measurements by the Wenner fourpoint method, and open circuit potential measurements on carbon steel- and high-alloyed (SMO-254) stainless steel electrodes. The carbon steel electrodes were arranged as two sets of three- electrode arrangements. Using these arrangements, electrochemical impedance spectroscopy (EIS), galvanostatic pulse (GP) measurements, and DC polarisation scans were applied for characterisation of the corrosion conditions present in the soil. (au) EFP-95. 21 refs.

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