R 2Fe14B-Ce2Fe14B(R = Nd、Pr)体系的准二元相图

IF 0.7 4区 材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING
Chengfu Xu, Senyang Fu, Ling Peng, Yongquan Yang, Xinqiang Gao, Lei Ma, Jinping Tian, Rongjin Liu, Zhengfei Gu, Qingrong Yao, Guanghui Rao, Linyi Cheng
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引用次数: 0

摘要

通过 X 射线粉末衍射、配备能量色散 X 射线光谱的扫描电子显微镜和差热分析,研究了 R 2Fe14B-Ce2Fe14B (R = Nd, Pr) 伪二元体系的相关系。X 射线粉末衍射结果表明,R 2Fe14B-Ce2Fe14B (R = Nd, Pr) 伪二元体系中形成了连续固溶体,所有 (R , Ce)2Fe14B 固溶体都属于空间群为 P42/mnm 的四方结构。随着 Ce 含量的增加,(R, Ce)2Fe14B (R = Nd, Pr) 固溶体的晶格参数 a、c 和包晶反应温度呈线性下降,晶胞体积 V 呈回归线变化。根据 X 射线粉末衍射结果和差热分析数据,建立了 R 2Fe14B-Ce2Fe14B (R = Nd, Pr) 体系的准二元相图。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The quasi-binary phase diagrams of R 2Fe14B–Ce2Fe14B (R = Nd, Pr) systems
The phase relations of the R 2Fe14B–Ce2Fe14B (R = Nd, Pr) pseudobinary systems have been investigated by using X-ray powder diffraction, scanning electron microscopy equipped with energy dispersive X-ray spectroscopy and differential thermal analysis. The X-ray powder diffraction results show that continuous solid solutions were formed in this R 2Fe14B–Ce2Fe14B (R = Nd, Pr) pseudobinary systems, and all (R , Ce)2Fe14B solid solutions belong to the tetragonal structure with space group P42/mnm. With the increase in Ce content, the lattice parameters a, c, the peritectic reaction temperatures of the (R, Ce)2Fe14B (R = Nd, Pr) solid solutions decrease linearly, and the cell volume V varies in the form of the regression line. Based on the X-ray powder diffraction results and differential thermal analysis data, the quasi-binary phase diagrams of the R 2Fe14B–Ce2Fe14B (R = Nd, Pr) systems have been established.
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来源期刊
CiteScore
1.30
自引率
12.50%
发文量
119
审稿时长
6.4 months
期刊介绍: The International Journal of Materials Research (IJMR) publishes original high quality experimental and theoretical papers and reviews on basic and applied research in the field of materials science and engineering, with focus on synthesis, processing, constitution, and properties of all classes of materials. Particular emphasis is placed on microstructural design, phase relations, computational thermodynamics, and kinetics at the nano to macro scale. Contributions may also focus on progress in advanced characterization techniques. All articles are subject to thorough, independent peer review.
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