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Experimental and theoretical investigation of the effect of milling time on the magnetic properties of mechanically alloyed FeAlNi (wt%) powders
Journal of Alloys and Compounds ( IF 6.2 ) Pub Date : 2021-09-24 , DOI: 10.1016/j.jallcom.2021.161950
Chafika Nakib 1 , Amara Otmani 1 , Chaffia Djebbari 2, 3 , Mohammed A. Amin 4 , Abdelmalik Djekoun 2 , Rahima Boulechfar 3 , Hana Ferkous 3 , Yacine Benguerba 5
Affiliation  

Powders of Fe50Al30Ni20 (wt%) are being milled in a P7 high-energy planetary ball mill to determine the effect of milling time on magnetic properties. In order to track changes in morphology and magnetic properties, SEM, magnetic measurements, and Mossbauer spectroscopy were employed during milling. Multiple phases are present; B2-(Fe, Ni)Al dominates, and Fe(Ni, Al) is second in strength. This indicates that they are paramagnetic at room temperature based on the Mossbauer effect spectra after 8 hours of milling. The coercivity Hc and saturation magnetization, on the other hand, remains finite values in magnetic measurements. The CASTEP (Cambridge Serial Total Energy Package) code was used to investigate magnetic behavior further.



中文翻译:

球磨时间对机械合金化 FeAlNi (wt%) 粉末磁性能影响的实验和理论研究

Fe 50 Al 30 Ni 20 (wt%)粉末正在 P7 高能行星球磨机中研磨,以确定研磨时间对磁性能的影响。为了跟踪形态和磁性的变化,在研磨过程中采用了 SEM、磁性测量和穆斯堡尔光谱。存在多个相;B2-(Fe,Ni)Al占优势,Fe(Ni,Al)强度次之。这表明根据 研磨8小时后的穆斯堡尔效应光谱,它们在室温下是顺磁性的。另一方面,矫顽力 Hc 和饱和磁化强度在磁性测量中保持有限值。CASTEP(剑桥串行总能量包)代码用于进一步研究磁行为。

更新日期:2021-09-24
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