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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 >Thermal stability of amorphous Mg50Ni50 alloy produced by mechanical alloying
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Thermal stability of amorphous Mg50Ni50 alloy produced by mechanical alloying

机译：机械合金化生产的非晶态Mg50Ni50合金的热稳定性

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摘要

Amorphous Mg50Ni50 alloy was produced by mechanical alloying (MA) of the elemental powders Mg and Ni using a SPEX 8000D mill. The alloyed powders were microstructurally characterized by X-ray diffraction (XRD). The thermal transformation of amorphous Mg50Ni50 into stable intermetallics (Mg50Ni50 -> remaining amorphous + Mg2Ni -> Mg2Ni + MgNi2) was analyzed using the Kissinger and iso-conversional methods based on the non-isothermal differential scanning calorimetry (DSC) experiments. The apparent activation energies (Ea) and the transformation diagrams, temperature-time-transformation (T-T-T) and temperature-heating rate-transformation (T-HR-T), were obtained for both processes. A good agreement was observed between the calculated transformation curves and the experimental data, which verifies the reliability of the method utilized.
机译：通过使用SPEX 8000D轧机对元素粉末Mg和Ni进行机械合金化（MA）来生产非晶态Mg50Ni50合金。通过X射线衍射（XRD）对合金粉末进行微观结构表征。基于非等温差示扫描量热法（DSC）实验，使用基辛格（Kinginger）和等转换方法分析了非晶态Mg50Ni50转变为稳定的金属间化合物（Mg50Ni50->剩余非晶态+ Mg2Ni-> Mg2Ni + MgNi2）的热转变。获得了两个过程的表观活化能（Ea）和转变图，温度-时间转变（T-T-T）和温度-升温速率转变（T-HR-T）。在计算的转化曲线和实验数据之间观察到良好的一致性，这证明了所用方法的可靠性。

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