Self-organized nanorods in disproportionated Sm2Fe17 and NdFe10.5Mo1.5 alloys

Self-organized nanorods in disproportionated Sm2Fe17 and NdFe10.5Mo1.5 alloys
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歧化Sm2Fe17和NdFe10.5Mo1.5合金中的自组织纳米棒

DOI:
10.1016/j.jmmm.2012.09.017
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发表时间:
2013
影响因子:
2.7
通讯作者:
Yang, Yingchang
Yang, Yingchang
中科院分区:
材料科学3区
文献类型:
--
作者:
Wang, Changsheng;Xu, Qing;Yang, Jinbo;Yang, Yingchang

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通过改进氢化还原脱附复合(HDDR)工艺,在Sm2Fe17合金中获得了自组织棒状结构。SmH2纳米棒均匀地嵌入在Fe基体中。所有SmH 2均沿沿着同一方向取向,并与Fe基体呈一定的取向关系。NdFe_(10.5)Mo_(1.5)合金的晶化产物中也观察到类似的形貌。而Sm_2Fe_(17)和NdFe_(10.5)Mo_(1.5)合金的再结合晶粒与相应的晶化产物之间没有晶体学取向关系,HDDR处理后的磁粉中没有晶体织构。
Self-organized rod-like disproportionation microstructures were obtained in Sm2Fe17alloy by modifying the hydrogenation disproportionation desorption recombination (HDDR) process. The SmH2nanorods are uniformly embedded in a Fe matrix. All the SmH2are oriented along the same direction, and show a certain orientation relationship with the Fe matrix. Similar morphology was also observed in the disproportionated products of the NdFe10.5Mo1.5alloy. However, for both Sm2Fe17and NdFe10.5Mo1.5alloys, no crystallographic orientation relationship is found between the recombined grains and the corresponding disproportionated products, and there is no crystal texture in the HDDR treated magnetic powders.
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