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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Synthesis and characterization of nanocrystalline Fe60X20B10P10 (X = Co, Ni) alloys
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Synthesis and characterization of nanocrystalline Fe60X20B10P10 (X = Co, Ni) alloys

机译：纳米晶Fe60X20B10P10（X = Co，Ni）合金的合成与表征

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摘要

In this work, two nanocrystalline alloys, Fe60Ni20P10B10 and Fe60Co20P10B10, were produced by mechanical alloying processing them at milling times of 5,40 and 100 h. Structural properties were determined by Xray diffraction and transmission Mossbauer spectroscopy. The 100-h milled alloys consisted primarily of metastable bcc Fe(Co, Ni) nanocrystals (11-17 nm) with different Fe-rich environments. Differential scanning calorimetry measurements were performed in order to study the thermal stability of the nanocrystalline phases and their crystalline growth. The values for the apparent activation energy of the main crystallization processes were 2.1 +/- 0.1 and 2.4 +/- 0.1 eV, respectively, which were associated with grain growth mechanisms.
机译：在这项工作中，通过在5,40和100 h的铣削时间对它们进行机械合金化处理，制备了两种纳米晶合金Fe60Ni20P10B10和Fe60Co20P10B10。通过X射线衍射和透射莫斯鲍尔光谱法测定结构性质。 100 h铣削合金主要由具有不同富铁环境的亚稳态bcc Fe（Co，Ni）纳米晶（11-17 nm）组成。为了研究纳米晶相的热稳定性及其晶体生长，进行了差示扫描量热法测量。主要结晶过程的表观活化能值分别为2.1 +/- 0.1和2.4 +/- 0.1 eV，这与晶粒生长机理有关。

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