用失重法和电化学法研究铬系白口铸铁在液 -固两相流中冲刷腐蚀的交互作用 ,结果表明 :(1)提高白口铸铁铬含量 ,不仅可以明显减小冲刷腐蚀交互作用失重率 ,而且显著降低冲刷腐蚀总失重率 ;(2 )纯腐蚀失重率接近纯冲刷失重率的 2 0倍 ,冲刷腐蚀交互作用失重率约占总失重率的 70 % ,因此在本实验条件下 ,铬系白口铸铁的失效机理是以腐蚀加速冲刷为主要特征 The results show that: (1) Increasing the chromium content of white cast iron can not only significantly reduce the erosion-corrosion interaction weight loss Rate, and significantly reduce the total weight loss rate of erosion; (2) the rate of pure corrosion weight loss is close to 20 times the pure erosion weight loss rate, erosion-corrosion interaction weight loss rate of about 70% of the total weight loss rate, so under the experimental conditions, Chromic white cast iron failure mechanism is accelerated corrosion erosion as the main feature