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Fig. 3 | Materials Theory

Fig. 3

From: Sweep-tracing algorithm: in silico slip crystallography and tension-compression asymmetry in BCC metals

Fig. 3

Slip behavior of a single \(\frac {1}{2}[111]\) prismatic loop introduced into an otherwise perfect crystal of BCC Ta and subjected to uniaxial compression or tension along the [001] axis. a–b DXA snapshots of the dislocation configurations attained after t=200 ps under a compression and b tension. c–d Maps of dislocation flux extracted from STA facets accumulated from time t=0 to t=400 ps under c compression and d tension. The maps are the equi-rectangular (geographic) projections of the cumulative distribution over the hemi-sphere of the slip facet normals {ΔAi} (i.e. effective slip planes). Contribution of each facet ΔAi to the slip plane orientation statistic is weighted by the facet’s swept area or incremental flux Δγi=ΔAi∥bi∥/V. e–f Probability distribution of the cumulative flux as a function of the [111] zonal plane angle and dislocation character under e compression and f tension

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