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设计了新型低合金白口铸铁的显微组织和化学成分，研究了稀土复合处理与热处理对其组织和性能的影响。试验结果表明，它具有良好的综合机械性能。此外，还对ＰＨ＝６的弱酸性砂浆冲蚀磨损机理进行了初步的探讨
The microstructure and chemical composition of the new low-alloy white cast iron were designed and the effects of rare earth composite treatment and heat treatment on the microstructure and properties were studied. Test results show that it has good overall mechanical properties. In addition, the erosive wear mechanism of PH = 6 weak acid mortar was also discussed