考考你:缝隙腐蚀? 又称间隙腐蚀(crevice corrosion), see details with vivid pictures at: http:///forms-crevice/crevice.htm crevice corrosion is a localized form of corrosion usually associated with a stagnant solution on the micro-environmental level. such stagnant microenvironments tend to occur in crevices (shielded areas) such as those formed under gaskets, washers, insulation material, fastener heads, surface deposits, disbonded coatings, threads, lap joints and clamps. crevice corrosion is initiated by changes in local chemistry within the crevice: depletion of inhibitor in the crevice depletion of oxygen in the crevice a shift to acid conditions in the crevice build-up of aggressive ion species (e.g. chloride) in the crevice查看更多