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Abstract:
用Rietveld法模拟计算稀土双相永磁合金Nd2Fe14B/α-Fe的X射线衍射谱(XRD),并根据多相体模型与无标定量相分析法确定各物相的含量.此外,通过结构精修也可以进一步提取诸如纳米晶尺寸等微结构信息.对一组熔淬Nd2Fe14B合金经700℃、不同时间退火(晶化处理)的样品进行α-Fe含量的测定结果表明,实测结果与实际工艺相吻合.该法可以推广应用于其他稀土双相永磁合金如Pr2Fe14B/α-Fe(Fe3B)的相含量测定与微结构分析.
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磁性材料及器件
ISSN: 1001-3830
Year: 2004
Issue: 2
Volume: 35
Page: 22-24
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 3
Chinese Cited Count:
30 Days PV: 6
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