CAJ | 학술논문

根据Inoue经验原则设计了一种添加Nd元素多元铁基合金,其成分为 Fe56-x Co7 Ni2 Zr10 Mo5 B20 Ndx ( x=0．2%、0．5%、0．8%,原子分数%),并通过机械合金化法制备了该合金粉末。利用X射线衍射(XRD)、扫描电镜( SEM)、差示扫描量热仪( DSC)研究了Nd含量对多元铁基合金粉末组织结构与热稳定性能的影响。结果表明：在球磨转速300 r/min、球料比30∶1、球磨时间为40 h的条件下,所制备的含Nd多元铁基合金粉末均含有部分的非晶相；球磨后的粉末大多呈近球形,Nd含量为0.8%(原子分数)时,合金粉末颗粒尺寸最为细小且热稳定性较高。
근거Inoue경험원칙설계료일충첨가Nd원소다원철기합금,기성분위 Fe56-x Co7 Ni2 Zr10 Mo5 B20 Ndx ( x=0．2%、0．5%、0．8%,원자분수%),병통과궤계합금화법제비료해합금분말。이용X사선연사(XRD)、소묘전경( SEM)、차시소묘량열의( DSC)연구료Nd함량대다원철기합금분말조직결구여열은정성능적영향。결과표명：재구마전속300 r/min、구료비30∶1、구마시간위40 h적조건하,소제비적함Nd다원철기합금분말균함유부분적비정상；구마후적분말대다정근구형,Nd함량위0.8%(원자분수)시,합금분말과립척촌최위세소차열은정성교고。
A new multicomponent iron-based alloy composition,Fe56-xCo7Ni2Zr10Mo5B20 -Ndx(x=0. 2、0. 5、0. 8, at%),was designed according to Inoue’s empirical principles. And then,the powder was alloyed by high energy ball method. X-ray diffraction ( XRD) ,differential scanning calorimetry ( DSC) and scanning electron microscope have been used to investigate the influence of Nd content on the microstructure and properties of the as-milled powder. The results show that,with a rotation speed of 300 r/min and a ball-to-powder mass ration of 30∶1,a-morphous phase was found partly in the as-milled powder,the majority of the as-milled powder has round spheri-cal shape and the as-milled powder has the minimum size when the Nd element is 0. 8 at%,besides,the alloying powder has high thermal stability.