氮离子注入纯铁中表面改性的穆斯堡尔谱研究  

MSSBAUER ANALYSIS OF PURE IRON SURFACE IMPLANTED WITH NITROGEN ION

作　　者：李百贵[1] 

机构地区：[1]河北大学物理系,保定071002

出　　处：《物理学报》2000年第3期560-564,共5页Acta Physica Sinica

摘　　要：采用等离子体源离子注入方法,将氮离子注入纯铁粉中,对样品进行穆斯堡尔谱研究.对注氮前后样品的无反冲因子f、同质异能移位δ、电四极裂距ΔEQ进行了比较分析.解释了氮离子注入钢材表面其硬度和耐磨性提高的原因.Mssbauer measurements have been carried out for pure iron powder samples, the whose surface was implanted with nitrogen ions by plasma source ion implantation techniques. The measured Mssbauer parameters, Mssbauer factor \%f\%, Isomer shifts δ and quadrupolar splitting Δ E\- Q,for samples of unimplanted with nitrogen are compared with those of implanted ones.From this study we understand how ion implantation improves surface properties of iron.

关 键 词：氮离子注入 纯铁 表面改性 穆斯堡尔谱 

分 类 号：TG174[金属学及工艺—金属表面处理]