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Size-dependent deformation behavior of Mo nanopillars in uniaxial compression: (a) Typical stress-strain curves. (b) Flow stress at true strain and yield strength vs pillar diameter, showing strong size effects.
Contribution of discrete strain bursts and overall strain hardening in plastic deformation. (a) Overlap of stress-strain curve and axial displacement rate for the pillar of diameter 790 nm. (b) Discrete plasticity ratios (DPR) and nominal stain-hardening exponent, , which show the decrease in contribution of discrete strain burst and strain hardening as the pillar size decreases.
Stress-strain behaviors of annuli with higher surface-to-volume ratio and nanopillars of HIDD micromachined near residual nanoindents.
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