Size dependence in mechanical properties of gold at the micron scale in the absence of strain gradients
273 citations recorded by the source corpus.
Subfields: Materials Chemistry, Mechanics of Materials
View Paper: https://www.semanticscholar.org/paper/4c96cfbe19435b5bb3ffbd721ecd146fb71371d2
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In Materials Chemistry
In Mechanics of Materials
Citations in the corpus
- Size effects in manufacturing of metallic components (2009, background): “It can be explained by a dislocation starvation model [26] which basically says that there is a dislocation movement without dislocation multiplication inside the sample.”
- Effects of size on the strength and deformation mechanism in Zr-based metallic glasses (2011, background): “For example, when the extrinsic sample dimensions are reduced below the minimum distance for dislocation multiplication in face centered cubic (fcc) metals, the conventional dislocation multiplication mechanism ceases and the materials are left in a dislocation-starved state, leading to fundamentall”
- Anomalous Compliance and Early Yielding of Nanoporous Gold (2015, unknown): “and the impact of dislocation interaction implies that the dislocation-starvation scenario, which is often considered in models of small-scale plasticity [72, 73], does not apply for NPG.”
- Plastic deformation of freestanding thin films: Experiments and modeling (2006, background): “Recently, a strong size effect has been seen in single crystal compression tests (Uchic et al., 2004; Dimiduk et al., 2005; Greer et al., 2005), where dislocation glide is relatively unconstrained.”
- The role of the weakest-link mechanism in controlling the plasticity of micropillars (2009, methodology): “Although in their study the initial dislocation densities are two orders of magnitude higher than those reported by experimental studies ( Greer et al., 2005; Dimiduk et al., 2005), and they do not provide any rationalization of experimentally observed statistical variations in the observed flow st”
- Transition from a strong-yet-brittle to a stronger-and-ductile state by size reduction of metallic glasses. (2010, background): “However, homogeneous flow here is different from hightemperature plasticity in that (1) it shows work hardening to∼25% true strain before fracture, and (2) fracture occurs by shear failure as opposed to drawing-to-a-point.”
- The fracture toughness of octet-truss lattices (2017, background): “While the mechanisms controlling this behavior are still a subject of debate, one proposed mechanism, dislocation starvation, argues dislocations annihilate at the sample free surface, depleting the crystal of dislocations and increasing the yield strength (Greer et al., 2005; Greer and Nix, 2006; G”
- Nanoporous Gold: Fabrication, Characterization, and Applications (2009, unknown): “in compression studies of compact Au posts [73], possibly due to dislocation starvation, as suggested by the authors [74].”
- Thermo-mechanical behavior of low-dimensional systems: The local bond average approach (2009, background): “For instances, the elastic response and mechanical strength of nanostructures have been attributed to the nonlinear effects [15], surface reconstruction [16] and relaxation [17,18], surface stress or surface tension [19–23], excessive surface and edge stress [24], surface shell high compressibility ”
- Evidence for exceptional low temperature ductility in polycrystalline magnesium processed by severe plastic deformation (2017, unknown): “Two micro-pillars were fabricated from the material processed through 10 turns of HPT using focused ion beam (FIB) machining [19-21] with the surfaces of these discs prepared using the same procedure as for EBSD characterization.”
- Ultra-strength materials (2010, background): “[243,193] measured uniaxial compression strength of”