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Phase Transformations in Ferromagnetic Nanostructured FePd Alloy under Severe Plastic Deformation and Annealing

机译:严重塑性变形和退火下铁磁性纳米结构FEPD合金中的相变

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Equiatomic FePd alloy in the ordered state has been processed by means of high-pressure torsion deformation (HPTD) and then annealed. X-ray diffraction (XRD), transmission electron microscopy (TEM), and magnetic measurements have been carried out. HPTD results in an order-disorder transformation of the initial ordered Ll_0-phase (s.g. P4/mmm) into a disordered fcc phase (s.g. Fm-3m) through the body-centered tetragonal (bct) phase (s.g. I4/mmm). Subsequent annealing restores the Ll_0-phase.
机译:有序状态下的均衡FEPD合金通过高压扭转变形(HPTD)处理,然后退火。已经进行了X射线衍射(XRD),透射电子显微镜(TEM)和磁性测量。 HPTD通过体为中心的四方(BCT)相(S.G.I4 / MMM),将初始有序的LL_0相(S.G.P4 / MMM)的初始排序的LL_0相(S.G.P4 / MMM)的命令转化转化为无序的FCC阶段(S.G.FM-3M)(S.G.I4 / MMM)。随后的退火恢复LL_0相。

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