| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Jain, Manish
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Topics
Publications (14/14 displayed)
- 2023Determination of critical resolved shear stresses associated with <a> slips in pure Zn and Zn-Ag alloys via micro-pillar compressioncitations
- 2023Determination of critical resolved shear stresses associated with slips in pure Zn and Zn-Ag alloys via micro-pillar compressioncitations
- 2023Super Flexible and High Mobility Inorganic/Organic Composite Semiconductors for Printed Electronics on Polymer Substratescitations
- 2023Mechanical properties and thermal stability of thin film metallic glass compared to bulk metallic glass from ambient to elevated temperaturescitations
- 2023Fabrication and extreme micromechanics of additive metal microarchitecturescitations
- 2023Unlocking the potential of CuAgZr metallic classes: a comprehensive exploration with combinatorial synthesis, high-throughput characterization, and machine learningcitations
- 2023Strengthening of 3D printed Cu micropillar in Cu-Ni core-shell structurecitations
- 2022Temperature-dependent dynamic plasticity of micro-scale fused silicacitations
- 2022Breakdown of semiclassical description of thermoelectricity in near-magic angle twisted bilayer graphenecitations
- 2021Role of interface-affected dislocation motion on the strength of Mg/Nb nanolayered composites inferred by dual-mode confined layer slip crystal plasticitycitations
- 2021High strain rate in situ micropillar compression of a Zr-based metallic glasscitations
- 2021The effect of thermal annealing on the optical properties of Mg-doped zincblende GaN epilayerscitations
- 2003Formation of intermetallic compounds in the Ni–Al–Si ternary systemcitations
- 2002First-principles simulations of liquid ZnTe
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article
Determination of critical resolved shear stresses associated with <a> slips in pure Zn and Zn-Ag alloys via micro-pillar compression
Abstract
The room-temperature plastic deformation behavior of pure Zn and Zn-Ag (0–2.2 at.%) biodegradablealloys has been investigated via uniaxial in situ micro-pillar compression tests performed within a scanningelectron microscope. The critical resolved shear stresses (CRSS) were quantified as a function ofmicro-pillar diameter. The compression of single crystal micro-pillars was performed at various strainrates in carefully selected grains, the crystallographic orientation of which facilitates deformation eithervia basal 0001 f gh1120i or prismatic 1010n oh1120i slip. The CRSS values increased with decreasedmicro-pillar diameter, revealing a more pronounced size effect in pure Zn deformed via basal slip. Theobserved solid solution strengthening effect in Zn-Ag alloys with increasing Ag content was associatedwith a CRSS increase from 26.6 MPa to 37.0 MPa (by40 %) in the basal slip system and from99.1 MPa to 188.4 MPa (by104 %) in the prismatic slip system. The extraordinarily high CRSS valuesfor basal slip activated in pure Zn and Zn-0.14Ag alloy compared to the solid solution strengthening modelwas attributed to the critically low dislocation density. In the Zn-Ag alloy with Ag content > 0.5 at.% higherdislocation densities are expected, which result in a more predictable plastic deformation behavior.