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众所周知,硫酸是腐蚀性最强的介质之一,特别是中等浓度沸腾条件下的硫酸,腐蚀性更强。在这种条件下,即使采用最好的不锈钢和耐蚀合金,也会被迅速腐蚀破坏。因此,长期来,使耐中等浓度高温硫酸腐蚀材料的研究成了耐蚀材料领域里的三大难题之一(即中等浓度沸腾硫酸、氯离子介质以及融熔烧碱的腐蚀问题)。例如,兰州合成橡胶厂采用40%沸腾硫酸来
It is well-known that sulfuric acid is one of the most corrosive media, especially sulfuric acid under medium boiling conditions, which is more corrosive. Under these conditions, even the best stainless steel and corrosion resistant alloys can be damaged by rapid corrosion. Therefore, in the long term, research on medium to high temperature sulfuric acid corrosion materials has become one of the three major problems in the field of corrosion resistant materials (that is, corrosion of medium concentration boiling sulfuric acid, chloride ion medium, and smelting caustic soda). For example, Lanzhou Synthetic Rubber Factory uses 40% boiling sulfuric acid