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采用高能球磨法制备了纳米CeO2/Zn复合粉末,用粉末冶金真空热压烧结制备了纳米CeO2/Zn复合材料块体,利用X射线衍射(XRD)、场发射扫描电镜(FESEM)等测试分析手段,对复合粉末、块体组织结构进行了研究。并研究比较了不同纳米CeO2含量的锌复合材料的耐蚀性和硬度,找出了耐蚀性和硬度最好时CeO2的最佳含量范围。结果表明,纳米CeO2颗粒的加入能显著提高金属的耐蚀性、硬度和金属结构的致密均匀性。并于纳米CeO2含量在1%时显示了最佳的耐蚀性、硬度和微观组织结构。
Nanocrystalline CeO2 / Zn composite powders were prepared by high-energy ball milling. Nanocrystalline CeO2 / Zn composite blocks were prepared by powder metallurgy vacuum hot-pressing sintering. XRD, FESEM and other testing methods , The composite powder, block structure was studied. The corrosion resistance and hardness of zinc composites with different nano-CeO 2 contents were compared and the optimum range of CeO 2 was found when the corrosion resistance and hardness were the best. The results show that the addition of nano-CeO2 particles can significantly improve the corrosion resistance of metals, hardness and the dense structure of the metal. And in the nano-CeO2 content of 1% shows the best corrosion resistance, hardness and microstructure.