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首页> 外文期刊>International Journal of Microstructure and Materials Properties >Structural and magnetic studies of nanocrystalline Fe_(80)Ni_(20) alloy prepared by high-energy ball milling
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Structural and magnetic studies of nanocrystalline Fe_(80)Ni_(20) alloy prepared by high-energy ball milling

机译：高能球磨制备纳米晶Fe_（80）Ni_（20）合金的结构和磁性研究

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摘要

Mechanical alloying is a powder metallurgy processing technique involving the cold welding, fracturing and rewilding of powder particles in high energy. It has been used to obtain nanocrystalline alloys. Fe-20 wt. % Ni alloys were synthesised using a planetary ball mill (Retsch PM400). X-ray Diffraction (XRD) was used to identify and characterise various phases during the milling process. It is shown that the bcc Fe(Ni) solid solution was formed after 2 h of milling. The steady state grain size is about 12 nm. Many nanostructures' magnetic materials have exhibited excellent soft magnetic properties, which suit so many applications. We used electromagnetic methods (hysteresis) to characterise the variation of the residual magnetisation and the coercive field.
机译：机械合金化是一种粉末冶金加工技术，涉及高能量粉末颗粒的冷焊，断裂和再荒化。它已被用于获得纳米晶合金。铁20 wt。使用行星式球磨机（Retsch PM400）合成％Ni合金。 X射线衍射（XRD）用于识别和表征铣削过程中的各个阶段。结果表明，研磨2 h后形成了bcc Fe（Ni）固溶体。稳态晶粒尺寸为约12nm。许多纳米结构的磁性材料都具有出色的软磁性能，非常适合许多应用。我们使用电磁方法（磁滞）来表征残余磁化强度和矫顽场的变化。

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