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Amorphous ferromagnetic (Fe,Co,Ni) ribbons of various compositions have been prepared by rapid solidification and annealed with applied tensile stress. This process yields both creep-induced magnetic anisotropy and structural anisotropy. Post-annealing has been done to investigate the relaxation process. X-ray diffraction and thermomechanical analysis measurement of post-annealed samples reveal a...
The results of finite-element modelling of the effect of grain size uniformity on the flow stress of nanocrystalline metals are reported. The results gave a clear evidence of grain size effect and the reverse Hall–Petch relationship, which is a consequence of macroscopic strain being preferentially accumulated at grain boundaries. They also show the importance of grain size distribution on the flow...
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