693.932 PEOPLE
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| Naji, M. |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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De Luca, Anthony
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (27/27 displayed)
- 2023Heat treatment response and mechanical properties of a Zr-modified AA2618 aluminum alloy fabricated by laser powder bed fusioncitations
- 2023Effect of HfO 2 dispersoids on the microstructure of a Ni-Cr-Al-Ti superalloy processed by laser-based powder-bed fusioncitations
- 2022Effect of Y 2 O 3 dispersoids on microstructure and creep properties of Hastelloy X processed by laser powder-bed fusioncitations
- 2022Processability, microstructure and precipitation of a Zr-modified 2618 aluminium alloy fabricated by laser powder bed fusioncitations
- 2022High-temperature creep properties of an additively manufactured Y 2 O 3 oxide dispersion-strengthened Ni–Cr–Al–Ti γ/γ’ superalloycitations
- 2022Effect of oxide dispersoids on precipitation-strengthened Al-1.7Zr (wt %) alloys produced by laser powder-bed fusioncitations
- 2021Influence of Hf on the heat treatment response of additively manufactured Ni-base superalloy CM247LCcitations
- 2021Precipitation in a 2xxx series Al-Cu-Mg-Zr alloy fabricated by laser powder bed fusioncitations
- 2021Effects of W micro-additions on precipitation kinetics and mechanical properties of an Al–Mn–Mo–Si–Zr–Sc–Er alloycitations
- 2021Individual and synergistic effects of Mn and Mo micro-additions on precipitation and strengthening of a dilute Al-Zr-Sc-Er-Si alloycitations
- 2021Thermal stability and influence of Y 2 O 3 dispersoids on the heat treatment response of an additively manufactured ODS Ni-Cr-Al-Ti γ/γ′ superalloycitations
- 2021Evolution of Y 2 O 3 dispersoids during laser powder bed fusion of oxide dispersion strengthened Ni-Cr-Al-Ti γ / γ ’ superalloycitations
- 2020Combining alloy and process modification for micro-crack mitigation in an additively manufactured Ni-base superalloycitations
- 2020Effect of microadditions of Mn and Mo on dual L1 2 - and α-precipitation in a dilute Al-Zr-Sc-Er-Si alloycitations
- 2020Coarsening- and creep resistance of precipitation-strengthened Al–Mg–Zr alloys processed by selective laser meltingcitations
- 2020Effects of Mn and Mo Micro-additions on Al–Zr–Sc–Er–Si Mechanical Propertiescitations
- 2020Mn and Mo additions to a dilute Al-Zr-Sc-Er-Si-based alloy to improve creep resistance through solid-solution- and precipitation-strengtheningcitations
- 2019Effects of Si and Fe micro-additions on the aging response of a dilute Al-0.08Zr-0.08Hf-0.045Er at.% alloycitations
- 2019Effects of Si and Fe micro-additions on the aging response of a dilute Al-0.08Zr-0.08Hf-0.045Er at.% alloycitations
- 2019Effects of Mo and Mn microadditions on strengthening and over-aging resistance of nanoprecipitation-strengthened Al-Zr-Sc-Er-Si alloyscitations
- 2018Scandium-enriched nanoprecipitates in aluminum providing enhanced coarsening and creep resistancecitations
- 2018Redistribution of Metallic Impurities in Si during Annealing and Oxidation: W and Fe
- 2018Microstructure and mechanical properties of a precipitation-strengthened Al-Zr-Sc-Er-Si alloy with a very small Sc contentcitations
- 2018Effects of Nb and Ta additions on the strength and coarsening resistance of precipitation-strengthened Al-Zr-Sc-Er-Si alloyscitations
- 2017Effect of vanadium micro-alloying on the microstructural evolution and creep behavior of Al-Er-Sc-Zr-Si alloyscitations
- 2016Mechanical properties and optimization of the aging of a dilute Al-Sc-Er-Zr-Si alloy with a high Zr/Sc ratiocitations
- 2013Evidence of perfect dislocation glide in nanoindented 4H-SiCcitations
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article
Evidence of perfect dislocation glide in nanoindented 4H-SiC
Abstract
Plastic deformation of a 4H-SiC wafer has been produced by nanoindentation at room temperature. The superficial layer of the specimen in the indented area has been lifted out thanks to a specific focussed ion beam micromachining method and the deformation microstructure close to the imprints has been investigated by means of both conventional and high-resolution transmission electron microscopy (TEM). The analysis of the images revealed the presence of various types of extended defects. Perfect dislocations and single stacking faults bounded by isolated Shockley partial dislocations have been observed on the basal plane. Perfect dislocations have also been evidenced out of the basal plane. These results highlight the competition between various activated systems involved during the plastic deformation of 4H-SiC in the brittle regime.