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Periodic corrugation on dynamic fracture surface in brittle bulk metallic glass
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10.1063/1.2374688
/content/aip/journal/apl/89/18/10.1063/1.2374688
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/18/10.1063/1.2374688
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Periodic corrugations along the crack surfaces of Mg-based BMG far ahead of the notch. (a) SEM micrograph showing two-line (band) systems interacting with each other and the presence of a flaw on the fracture surface (zone I), (b) is a higher magnification of zone II in (a). An arrow shows the crack propagation direction.

Image of FIG. 2.
FIG. 2.

(Color online) Dynamic evolution of fracture surfaces of BMG. (a) Optical microscopy overview of the dynamic fracture surface of the Mg-based BMG. AFM top view: (b) zone , (c) zone , (d) zone , and (e) zone . Image size: . The rms roughness on the fracture surfaces for zones , , , and are 0.75, 1.37, 2.21, and , respectively. Arrows show the crack propagation direction.

Image of FIG. 3.
FIG. 3.

(Color online) HRSEM images of the fracture surface of the BMG. (a) Disordered distribution of the damage cavities on the fracture surface when the bent fracture load rat is very low. [The damage cavity structure has also been confirmed by AFM (Ref. 11)]. (b) The assembly process of the cavities on the fracture surface between zones and (closer to ) in Fig. 2(a). Self-assembly of damage cavities along the fracture surface can be clearly observed on the marked areas in (b).

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/content/aip/journal/apl/89/18/10.1063/1.2374688
2006-10-31
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Periodic corrugation on dynamic fracture surface in brittle bulk metallic glass
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/18/10.1063/1.2374688
10.1063/1.2374688
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