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MEASUREMENT OF CORROSION IN SATURATED SOLUTIONS UNDER SALTDEPOSITS USING COUPLED MULTIELECTRODE ARRAY SENSORS

机译:耦合多电极阵列传感器在盐沉积下饱和溶液中腐蚀的测量

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The corrosion rates of type 1010 carbon steel, and types 304 and 316 stainless steels in saturatedsolutions under salt deposits were measured using coupled multielectrode sensors. The measurementswere carried out in the presence of the following salts: KCl, NaCl, NaNO3, MgCl2, NiCl2, FeCl3, FeCl2,CuCl2, and an NaCl+NaNO3 mixture.The results indicate that the corrosiveness of the salts increased in the following order:KCl ~ NaCl ~ NaNO3 ~ NaCl+NaNO3 ~ MgCl2 < NiCl2 < FeCl3 < FeCl2 < CuCl2for carbon steel, andKCl ~ NaCl ~MgCl2 ~ NiCl2 ~ NaCl+NaNO3 < FeCl3 ~ FeCl2 ~ CuCl2for type 304 stainless steel.Some inhibition of corrosion of type 316 stainless steel by NaNO3 was observed in a mixture ofNaCl+NaNO3, but not in pure NaNO3 solution.
机译:使用耦合的多电极传感器测量了1010型碳钢以及在盐溶液中饱和溶液中的304和316型不锈钢的腐蚀速率。在以下盐的存在下进行测量:KCl,NaCl,NaNO3,MgCl2,NiCl2,FeCl3,FeCl2,CuCl2和NaCl + NaNO3混合物,结果表明盐的腐蚀性按以下顺序增加:碳钢用KCl〜NaCl〜NaNO3〜NaCl + NaNO3〜MgCl2

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