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Flow serration and shear-band propagation in bulk metallic glasses
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10.1063/1.3117508
/content/aip/journal/apl/94/14/10.1063/1.3117508
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/14/10.1063/1.3117508

Figures

Image of FIG. 1.
FIG. 1.

Typical engineering stress-strain curve for at a nominal strain rate of in compression.

Image of FIG. 2.
FIG. 2.

Displacement as a function of time in serrated region obtained from the BMG at a strain rate of ; (a) and (b) show typical serration profiles in stage 1 and stage 2, respectively.

Image of FIG. 3.
FIG. 3.

Dependence of (a) displacement burst size and (b) shear-band propagating speed as a function of compressive strain for at a nominal strain rate of .

Image of FIG. 4.
FIG. 4.

Relationship of compressive plastic stain and kinetic energy stored during each serration in different alloy systems (Zr-, Pd-, Cu-, Au-, and Mg-based BMGs) at a low strain rate of .

Tables

Generic image for table
Table I.

Comparison of first burst occurrence level, the average shear-band propagating speed, and the plastic strain obtained from the ductile Pd-based and brittle Mg-based BMGs compressed at a low strain rate of . denotes the stress level where the stress-strain curve reaches an apparent steady state after yielding.

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/content/aip/journal/apl/94/14/10.1063/1.3117508
2009-04-10
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Flow serration and shear-band propagation in bulk metallic glasses
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/14/10.1063/1.3117508
10.1063/1.3117508
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