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Formation of FeNi with L1(0)-ordered structure using high-pressure torsion

机译:利用高压扭转形成具有L1(0)有序结构的FeNi

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FeNi with the L1(0)-ordered structure is formed over an astronomical timescale in meteorites. In this study, severe plastic deformation using high-pressure torsion (HPT) is employed for the production of the L1(0) structure in the laboratory. Its formation is confirmed by X-ray diffraction analysis and transmission electron microscopy. Processing of elemental nanopowders by HPT is an effective method for the formation of the L1(0) phase, which is enhanced by the addition of Co to FeNi or annealing after HPT. The formation of the phase must be associated with enhanced diffusion through HPT.
机译:具有L1(0)有序结构的FeNi是在陨石的天文时间内形成的。在这项研究中,使用高压扭转(HPT)的严重塑性变形被用于实验室中的L1(0)结构的生产。通过X射线衍射分析和透射电子显微镜确认了它的形成。 HPT加工元素纳米粉是形成L1(0)相的有效方法,可通过在FeNi中添加Co或HPT之后退火来增强L1(0)相。该相的形成必须与通过HPT的增强扩散相关。

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