Analysis of the anelastic deformation of high-entropy Pd20Pt20Cu20Ni20P20 metallic glass under stress relaxation and recovery

Y.J. Duan,L.T. Zhang,T. Wada, H. Kato,E. Pineda,D. Crespo,J.M. Pelletier,J.C. Qiao

Journal of Materials Science & Technology（2022）

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摘要

1Mechanical response of Pd20Pt20Cu20Ni20P20 high-entropy metallic glass is revealed and characterized through the stress relaxation and recovery process.2Stress relaxation during consecutive strain steps can be well described by the Kohlrausch-Williams-Watts (KWW) function.3A constitutive model is also applied to analyze in detail the hierarchy of structural and dynamic heterogeneity.

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关键词

High-entropy metallic glass,Stress relaxation,Anelastic deformation,Flow defects,Free-volume zones

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