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首页> 外文期刊>Physica, B. Condensed Matter >Formation of Fe-Nb-X (X=Zr, Ti) amorphous alloys from pure metal elements by mechanical alloying
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Formation of Fe-Nb-X (X=Zr, Ti) amorphous alloys from pure metal elements by mechanical alloying

机译：通过机械合金化由纯金属元素形成Fe-Nb-X（X = Zr，Ti）非晶态合金

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摘要

Fe-based amorphous powders of Fe_(56)Nb_6Zr_(38) and Fe_(60)Nb_6Ti_(34) based on binary eutectic were prepared by mechanical alloying starting from mixtures of pure metal powders. The amorphization behavior and thermal stability were examined by x-ray diffraction, scanning electron microscopy, transmission electron microscopy and differential scanning calorimetry. Results show that Fe_(56)Nb_6Zr_(38) alloy has a better glass forming ability and a relatively lower thermal stability comparing with Fe_(60)Nb_6Ti_(34) alloy. The prepared amorphous powders have homogeneous element distribution and no obvious contaminants coming from mechanical alloying. The synthesized amorphous powders offer the potential for consolidation to full density with desirable mechanical properties through the powder metallurgy methods.
机译：基于纯金属粉末的混合物，通过机械合金化制备了基于二元共晶的Fe_（56）Nb_6Zr_（38）和Fe_（60）Nb_6Ti_（34）的铁基非晶态粉末。通过X射线衍射，扫描电子显微镜，透射电子显微镜和差示扫描量热法检查非晶化行为和热稳定性。结果表明，与Fe_（60）Nb_6Ti_（34）合金相比，Fe_（56）Nb_6Zr_（38）合金具有更好的玻璃形成能力和相对较低的热稳定性。所制备的无定形粉末具有均匀的元素分布，并且没有明显的来自机械合金化的污染物。合成的无定形粉末通过粉末冶金方法提供了以所需的机械性能固结至全密度的潜力。

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