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Modeling of plasticity and fracture of metals at shock loading
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10.1063/1.4805713
/content/aip/journal/jap/113/19/10.1063/1.4805713
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/19/10.1063/1.4805713

Figures

Image of FIG. 1.
FIG. 1.

Free surface velocity histories of the 2.9-mm-thick aluminum singlecrystals at initial temperature (a) 293 and (b) 923 K impacted by the0.4-mm-thick aluminum flyer plate with velocity of 680 m/s. Solid line—experimental data, dashed line—our calculation results.

Image of FIG. 2.
FIG. 2.

Free surface velocity histories of the copper single crystals of thickness (a) 0.7 and (b) 1.9 mm impacted by the 0.2-mm-thick aluminum flyer plate with velocity of 560 m/s. Solid line—experimental data, dashed line—our calculation results.

Image of FIG. 3.
FIG. 3.

Free surface velocity histories of the nickel target impacted by the0.2-mm-thick aluminum flyer plate with velocity of 470 m/s. Solid line—experimental data, dashed line—our calculation results.

Image of FIG. 4.
FIG. 4.

Formation and initial evolution of elastic precursor of the shock wave in aluminum monocrystal under symmetric impact with relative velocity of collision (a) 0.5 and (b) 2 km/s. Left half of distributions of longitudinal stress σ is shown at different time moments.

Image of FIG. 5.
FIG. 5.

Evolution of the shock wave in copper monocrystal impacted by the 0.2-mm-thick aluminum flyer plate with velocity of 560 m/s calculated using (a) hydrodynamic ( = 0) and (b) elastic-plastic models.

Image of FIG. 6.
FIG. 6.

Shock-wave amplitude decreasing with depth in copper monocrystal impacted by the 0.2-mm-thick flyer plate with velocity of 560 m/s. Results of calculation using hydrodynamic ( = 0) and elastic-plastic models are shown.

Tables

Generic image for table
Table I.

Parameters of the model for aluminum, copper, and nickel.

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/content/aip/journal/jap/113/19/10.1063/1.4805713
2013-05-20
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Modeling of plasticity and fracture of metals at shock loading
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/19/10.1063/1.4805713
10.1063/1.4805713
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