| 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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Sharp, Joanne
University of Huddersfield
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2024Investigation of the microstructure of He+ ion-irradiated TiBe12 and CrBe12 using ex-situ transmission electron microscopycitations
- 2020Improving the oscillating wear response of cold sprayed Ti-6Al-4V coatings through a heat treatmentcitations
- 2020Ramification of thermal expansion mismatch and phase transformation in TiC-particulate/SiC-matrix ceramic compositecitations
- 2020The Lubricating Properties of Spark Plasma Sintered (SPS) Ti3SiC2 MAX Phase Compound and Compositecitations
- 2019Exploiting thermal strain to achieve an in-situ magnetically graded materialcitations
- 2019Microstructural evolution and wear mechanism of Ti3AlC2 – Ti2AlC dual MAX phase composite consolidated by spark plasma sintering (SPS)citations
- 2019Influence of solidification cell structure on the martensitic transformation in additively manufactured steelscitations
- 2017Spinel–rock salt transformation in LiCoMnO4−δcitations
- 2017Direct observation of precipitation along twin boundaries and dissolution in a magnesium alloy annealing at high temperaturecitations
- 2017Tribological response and characterization of Mo–W doped DLC coatingcitations
- 2016On the use of cryomilling and spark plasma sintering to achieve high strength in a magnesium alloycitations
- 2016Characterisation of L21-ordered Ni2TiAl precipitates in Fe-Mn maraging steelscitations
- 2016Spinel-rock salt transformation in LiCoMnO4-δcitations
- 2016Microstructural evolution of Mn-based maraging steels and their influences on mechanical propertiescitations
- 2015New compositional design for creating tough metallic glass composites with excellent work hardeningcitations
- 2015Cross sectional TEM analysis of duplex HIPIMS and DC magnetron sputtered Mo and W doped carbon coatings
- 20123-dimensional imaging of dislocation microstructures by electron beams
- 2011High-angle triple-axis specimen holder for three-dimensional diffraction contrast imaging in transmission electron microscopycitations
Places of action
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article
New compositional design for creating tough metallic glass composites with excellent work hardening
Abstract
<p>The extrinsic size of both crystalline alloys and amorphous metallic alloys strongly affects their mechanical properties at the submicron scale or nanometre scale. For example, Zr-based metallic glass nanopillars exhibit ceramic-like strengths (2.25 GPa) and metal-like ductility (25%) simultaneously when the pillar dimension is reduced to <100 nm. Here, we report a new compositional design approach to create tough metallic glass composites consisting of micrometre-scale dendrites and nanometre-scale amorphous matrices that exhibit high strength and ductility in the normally brittle MgZnCa metallic glass system. When the thickness of the amorphous matrix is reduced to the nanometre scale, a low density (ρ ≈ 1.99 g cm<sup>-3</sup>) Mg<sub>91.5</sub>Zn<sub>7.5</sub>Ca<sub>1</sub> alloy exhibits room temperature tensile ductility exceeding 15.6%, a yield strength of 215 MPa and a fracture strength of 478 MPa. Transmission electron microscopy analysis demonstrates that the alloy consists of micrometre-scale α-Mg solid solution dendrites and nanometre-scale amorphous matrix (80-530 nm in thickness). The homogeneous deformation of nanometre scale amorphous matrices is believed to be responsible for the high toughness and excellent work-hardening behaviour.</p>