腐蚀与防护教学8

121.2.3.4.34:,5678≤9µ10µ1mm1112131415161718„„−→++OHeOHO442221920Fe3O4Fe3O4FeOOHeFeFe22+→+OHOFeeFeFeOOH24324328+→+++FeOOHOHOOFe12642243→++2122„CuPCrNiMoγα2324„:„25„:26„:SO2SO3H2SNONO2NH3COCO227„SO2:1SO2422FeSOOSOFe→++422244464SOHFeOOHOHOFeSO+→++2FeSO4OHFeSOOFeSOH242422222+→++3H2SO4SO2SO3H2SO428„NaCl229„CuPCrNiCaSi„„„303132„„33„„„„3435„36„37„:1.2.5A1.5Km3839„„„401241„„42„I⏐⏐II⏐⏐43StrayCurrentCorrosion:60Hz144„„45„„„