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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Napětí indukované trhlinou a generace dvojčat a dislokací v alfa železe
 Spielmannová, Alena ; Machová, Anna
The contribution presents new results of stress calculations in anisotropic continuum focused on generation of twins and dislocations at the crack front in bcc iron, observed in 3D molecular dynamic (MD) simulations with edge cracks (001)[110] and (-110)[110] (notation crack plane/crack front). The stress calculations have been performed for plane strain and also plane stress conditions. This multiscale approach enable us to understand why the slip processes start at the free sample surface and why they are observed in MD both on the inclined and oblique slip planes to the crack front, similar to experimental observations on cracked iron crystals with low content of silicon.
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Stress at cracks in 3D
 Machová, Anna ; Spielmannová, A.
The contribution compares stress calculations on the atomistic level in 3D with elastic solutions for blunted cracks embedded in anisotropic continuum under plane strain and plane stress conditions.
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1 Spielmannová, Alena
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