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Reversible transition of deformation mode by structural rejuvenation and relaxation in bulk metallic glass
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10.1063/1.4753998
/content/aip/journal/apl/101/12/10.1063/1.4753998
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/12/10.1063/1.4753998
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Typical load-depth curves of the as-cast and HPT-deformed samples with different number of rotations (N). The inset shows enlargement of the curves marked by the dashed square. (b)-(d) SPM images of indents in the as-cast (b) and HPT deformed samples with N = 10 (c) and N = 50 (d). (e) SPM image of the indent in the sample deformed with N = 50 after annealing at 673 K for 1 h.

Image of FIG. 2.
FIG. 2.

Elastic modulus (E) and hardness (H) values as a function of rotation number N. The values for metallic glass are plotted for N = 0. The open symbols denote the data after annealing at 673 K for 1 h.

Image of FIG. 3.
FIG. 3.

Calculated structural relaxation enthalpy as a function of rotation number. The values for metallic glass are plotted as N = 0. The inset shows DSC curves of the sample with HPT deformation N = 50, where T g and T x denote the glass transition temperature and crystallization temperature, respectively. The red and black lines denote the 1st and 2nd heating curves, respectively.

Image of FIG. 4.
FIG. 4.

Relation between elastic modulus (E), hardness (H), and relaxation enthalpy.

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/content/aip/journal/apl/101/12/10.1063/1.4753998
2012-09-20
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Reversible transition of deformation mode by structural rejuvenation and relaxation in bulk metallic glass
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/12/10.1063/1.4753998
10.1063/1.4753998
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