利用稀土的活化、催渗作用，在气相条件下实现了锆对45钢表面的扩渗。采用SEM-EDS、XPS和XRD对渗层进行了化学成分分析及物相分析，并通过浸泡试验与湿热试验、中性盐雾试验研究了锆的渗入对45钢耐蚀性能的影响。结果表明：锆的渗入明显提高了45钢表面的耐蚀性能。
The cementation of Zr, activated and catalyzed by rare earth elements,on 45 steel surface under gas-phase condition was investigated.Chemical composition of the cemented coating was analyzed by SEM-EDS、XPS and XRD.Meanwhile,weanwhile,weight loss test,humid thermal and neutral salt-fog method were applied to investigate the effect of cementation of Zr on corrosion resistance of 45 steel.The results showed that the cementation of Zr with the assistance of RE greatly improved the corrosion resistance of the steel surface.
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