The Fe-Nd (Iron-Neodymium) system
The Fe-Nd (Iron-Neodymium) system
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DOI：
10.1007/bf02667216
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发表时间：
1992-12
期刊：
影响因子：
--
通讯作者：
W. Zhang;G. Liu;K. Han
中科院分区：
文献类型：
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作者：
W. Zhang;G. Liu;K. Han
Fe-ND二元相图最初是由[65Ter]提出的，前人对一些Fe-ND合金的结构和磁性进行了研究[61Gsc，64Ray]。[65Ter]通过热分析、X射线分析、金相分析、显微硬度测试和电阻测量等手段研究了Fe-ND系。以99.9wt.%的Fe和99.0wt.%的Nd为原料.[65Ter]认为该系统包括两个包晶反应和一个共晶反应，以及两个中间化合物-FeTnd2和Fe2Nd.[82Kub]回顾了这个系统，并主要根据[65Ter]的结果绘制了她的图解.后来的研究还没有证实Fe2Nd.通过差热分析和X-射线衍射仪的系统分析，[87Sch]得出结论：FelTnd2是该体系中唯一的间位化合物。Fe和Nd反应生成Fe2Nd的扩散偶在800℃下保持不变，在900℃和600℃热处理300h后淬火的样品中都没有发现Fe2Nd。评估的Fe-ND相(图1)是基于[65Ter]、[87Sch]、[85He]、[87wan]和[87Za]的工作。稳定相有：液相L；金属间化合物FI17Nd2；末端固溶体(FIFE)、(FIFE)和(CTFe)；以及末端固溶体([~Nd)和(AND)]。表1总结了评估图表的特殊之处。
An Fe-Nd binary phase diagram was proposed initially by [65Ter]; several investigations on the structure and magnetism of some Fe-Nd alloys had been made previously [61Gsc, 64Ray].[65Ter] investigated the Fe-Nd system by means of thermal and X-ray analyses, metallography, microhardness tests, and measurements of the electrical resistance. Fe of 99.9 wt.% and Nd of 99.0 wt.% purity were used as starting materials.[65Ter] conchded that this system comprises two peritectic reactions, and one eutectic reaction, and two intermetaUic compounds---FelTNd 2 and Fe2Nd.[82Kub] reviewed this system and based her diagram mainly on the results of [65Ter].The existence of Fe2Nd has not been confirmed by later investigations. From systematic analyses with differential thermal analysis and X-ray diffraction,[87Sch] concluded that FelTNd 2 is the only intermetaUic compound in the system. Fe2Nd was not found either in a diffusion couple held at 800~ for reaction between Fe and Nd to form Fe2Nd, or in specimens annealed for 300 h at 900 and 600~ and quenched. The assessed Fe-Nd phase (Fig. 1) is based on the works of [65Ter],[87Sch],[85He],[87Wan], and [87Zha]. The stable phases are: the liquid, L; the intermetallic compound Fel7Nd2; the terminal solid solutions,(fiFe),(, fie), and (ctFe); and the terminal solid solutions ([~ Nd) and (aNd). Special points of the assessed diagram are summarized in Table 1.