| 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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Bała, Piotr
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024EBSD and TKD analyses using inverted contrast Kikuchi diffraction patterns and alternative measurement geometriescitations
- 2024Kinetics and mechanisms of high-temperature oxidation in BCC and FCC high-alloy Fe-based alloys with high volume fraction of carbidescitations
- 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
- 2023Investigation of slip systems activity and grain boundary sliding in fine-grained superplastic zinc alloycitations
- 2022Long-term in vitro corrosion behavior of Zn-3Ag and Zn-3Ag-0.5Mg alloys considered for biodegradable implant applicationscitations
- 2022Effect of Mo on Phase Stability and Properties in FeMnNiCo High-Entropy Alloyscitations
- 2020A novel high-strength Zn-3Ag-0.5Mg alloy processed by hot extrusion, cold rolling, or high-pressure torsioncitations
- 2019Design of novel Zn-Ag-Zr alloy with enhanced strength as a potential biodegradable implant materialcitations
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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.