球墨周围的铁素体和珠光体是贫铈的，而远离球墨的珠光体和莱氏体是富铈的。
Ce is depleted from ferrite and pearlite surrounded by nodular graphite, and enriched in pearlite and ledeburite far apart from nodular graphite.
本试验用离子渗碳的方法对其进行了改性，处理后获得了无共晶莱氏体组织的均匀细小的碳化物，从而改善了组织，提高了性能。
After treatment, uniform and fine carbonization of no ledeburite organization were obtained. Therefore, we refined the organization of stainless steel and improved its property.
本试验用离子渗碳的方法对其进行了改性，处理后获得了无共晶莱氏体组织的均匀细小的碳化物，从而改善了组织，提高了性能。
After treatment, uniform and fine carbonization of no ledeburite organization were obtained. Therefore, we refined the organization of stainless steel and improved its property.
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