NIMTE OpenIR  > 2018专题
Correlation between the viscoelastic heterogeneity and the domain wall motion of Fe-based metallic glass
Ouyang, S.; Song, L. J.; Liu, Y. H.; Huo, J. T.; Wang, J. Q.; Xu, W.; Li, J. L.; Wang, C. T.; Wang, X. M.; Li, R. W.
2018
Source PublicationPHYSICAL REVIEW MATERIALS
Volume2Issue:6
AbstractThe soft magnetic properties of Fe-based metallic glasses are reduced significantly by external and residual stresses, e.g., the susceptibility decreases and coercivity increases, which limits their application severely. Unraveling the micromechanism of how the stress influences the soft magnetic properties is of great help for enhancing the performance of Fe-based metallic glasses. In this work, we investigate the effect of viscoelastic heterogeneity on the motion of magnetic domain wall surrounding nanoindentations. Compared to the matrix, dissipation of the viscoelastic heterogeneity increases toward the nanoindentation. Meanwhile, the motion of domain wall under external magnetic field becomes more difficult toward the nanoindentations. A correlation between the viscoelastic dissipation and the moving ability of magnetic domain walls is observed, which can be well fitted using magnetoelastic coupling theory. This suggests that manipulating the microscale viscoelastic heterogeneity is probably a helpful strategy for enhancing the soft magnetic properties of metallic glasses.
KeywordSoft-magnetic-alloys Amorphous-alloys Forming Ability Stress Deformation Microscopy Anisotropy Fields Films
Subject AreaChemistry
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/17454
Collection2018专题
Recommended Citation
GB/T 7714
Ouyang, S.,Song, L. J.,Liu, Y. H.,et al. Correlation between the viscoelastic heterogeneity and the domain wall motion of Fe-based metallic glass[J]. PHYSICAL REVIEW MATERIALS,2018,2(6).
APA Ouyang, S..,Song, L. J..,Liu, Y. H..,Huo, J. T..,Wang, J. Q..,...&Li, R. W..(2018).Correlation between the viscoelastic heterogeneity and the domain wall motion of Fe-based metallic glass.PHYSICAL REVIEW MATERIALS,2(6).
MLA Ouyang, S.,et al."Correlation between the viscoelastic heterogeneity and the domain wall motion of Fe-based metallic glass".PHYSICAL REVIEW MATERIALS 2.6(2018).
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