采用动态旋转冲刷腐蚀装置,在含硅湿法磷酸体系中,分别考察了不锈钢316L和904L在冲刷条件下浆体的组成、硅砂含量和硅砂粒度对材料冲刷腐蚀速率的影响,并在不同硅含量下讨论了流速对不锈钢的腐蚀规律.试验结果表明,316L以腐蚀为主,当硅砂质量百分含量达10%时,冲刷作用增强;而904L耐液相腐蚀性能优异,但在流速大于4 m/s时,硅砂质量百分含量高于3%,粒度大于200 μm时,冲刷腐蚀速度增加明显.
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