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通过腐蚀电化学测试和化学分析两种方法，对ＧＨ１１４０加力燃烧室输油管在ＨＣｌ＋Ｈ２ＳＯ４＋ＣｕＳＯ４溶液中发生点腐蚀的原因做了分析，得出点腐蚀是由于管内外介质传输差异造成的铁离子浓差电池引起的，并提出了防止措施。
The corrosion of GH1140 afterburner pipeline in HCl + H2SO4 + CuSO4 solution was analyzed by corrosion electrochemical test and chemical analysis. It was concluded that the corrosion of pitting was caused by the difference of the transport of iron and iron between the inside and outside of the tube Caused, and put forward preventive measures.