Plasticity in small-sized metallic systems: Intrinsic versus extrinsic size effect
JR Greer, JTM De Hosson - Progress in Materials Science, 2011 - Elsevier
A material strength depends on its microstructure, which in turn, is controlled by an
engineering process. Strengthening mechanisms like work hardening, precipitate, and grain …
engineering process. Strengthening mechanisms like work hardening, precipitate, and grain …
Source truncation and exhaustion: insights from quantitative in situ TEM tensile testing
A unique method for quantitative in situ nanotensile testing in a transmission electron
microscope employing focused ion beam fabricated specimens was developed …
microscope employing focused ion beam fabricated specimens was developed …
Dislocation interactions and low-angle grain boundary strengthening
The transmission of an incoming dislocation through a symmetrical low-angle tilt grain
boundary (GB) is studied for {110}〈 111〉 slip systems in body-centered cubic metals using …
boundary (GB) is studied for {110}〈 111〉 slip systems in body-centered cubic metals using …
Work hardening in micropillar compression: In situ experiments and modeling
Experimental measurements and simulation results for the evolution of plastic deformation
and hardening in micropillars are compared. The stress–strain response of high-symmetry …
and hardening in micropillars are compared. The stress–strain response of high-symmetry …
Plastic deformation mechanisms of fcc single crystals at small scales
Three-dimensional (3-D) dislocation dynamics simulations were employed to examine the
fundamental mechanisms of plasticity in small-scale face-centered cubic single crystals …
fundamental mechanisms of plasticity in small-scale face-centered cubic single crystals …
Size effects in strength and plasticity of single-crystalline titanium micropillars with prismatic slip orientation
We present results of uniaxial compression experiments on rectangular prismatic titanium
micropillars loaded along [112¯ 0]. We find that flow stress increases significantly with …
micropillars loaded along [112¯ 0]. We find that flow stress increases significantly with …
Small volume investigation of slip and twinning in magnesium single crystals
GS Kim - 2011 - theses.fr
Résumé A combined experimental and computational investigation of the deformation
behavior of pure magnesium single crystal at the micron length scale has been carried out …
behavior of pure magnesium single crystal at the micron length scale has been carried out …
Trapping and escape of dislocations in micro-crystals with external and internal barriers
We perform three-dimensional dislocation dynamics simulations of solid and annular pillars,
having both free-surface boundary conditions, or strong barriers at the outer and/or inner …
having both free-surface boundary conditions, or strong barriers at the outer and/or inner …
Atomistic processes controlling flow stress scaling during compression of nanoscale face-centered-cubic crystals
F Sansoz - Acta Materialia, 2011 - Elsevier
The size dependence of strength observed in submicrometer face-centered-cubic (fcc)
metallic crystals under uniform deformation depends on the interaction of pre-existing …
metallic crystals under uniform deformation depends on the interaction of pre-existing …
Nonlocal continuum crystal plasticity with internal residual stresses
We derive a three-dimensional constitutive theory accounting for length-scale dependent
internal residual stresses in crystalline materials that develop due to a non-homogeneous …
internal residual stresses in crystalline materials that develop due to a non-homogeneous …