| 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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Vorontsov, Vassili A.
University of Strathclyde
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (28/28 displayed)
- 2023Miniaturised experimental simulation of open-die forgingcitations
- 2022Strengthening κ-carbide steels using residual dislocation contentcitations
- 2022Precipitate dissolution during deformation induced twin thickening in a CoNi-base superalloy subject to creepcitations
- 2020Generalised stacking fault energy of Ni-Al and Co-Al-W superalloyscitations
- 2019A nickel based superalloy reinforced by both Ni3Al and Ni3V ordered-fcc precipitatescitations
- 2018Mechanical behaviour of Ti-Nb-Hf alloyscitations
- 2017Alloying effects on oxidation mechanisms in polycrystalline Co–Ni base superalloyscitations
- 2017Functional stability of a ferromagnetic polycrystalline Ni2MnGa high temperature shape memory alloycitations
- 2017A high strength Ti–SiC metal matrix compositecitations
- 2016Coarsening behaviour and interfacial structure of γ′ precipitates in Co-Al-W based superalloyscitations
- 2016Determination of superlattice stacking fault energies in multi-component superalloys
- 2016Multi-scale modelling of high-temperature deformation mechanisms in Co-Al-W-based superalloys.
- 2016Understanding the "blue spot"citations
- 2016The dislocation mechanism of stress corrosion embrittlement in Ti-6Al-2Sn-4Zr-6Mocitations
- 2016Effect of precipitation on mechanical properties in the β-Ti alloy Ti-24Nb-4Zr-8Sncitations
- 2015The effect of grain size on the twin initiation stress in a TWIP steelcitations
- 2015Superelastic load cycling of gum metalcitations
- 2015Nanoprecipitation in a beta-titanium alloycitations
- 2015Segregation at stacking faults within the γ′ phase of two Ni-base superalloys following intermediate temperature creepcitations
- 2014The dynamic behaviour of a twinning induced plasticity steelcitations
- 2014Alloying and the micromechanics of Co-Al-W-X quaternary alloyscitations
- 2014Alloying effects in polycrystalline γ′ strengthened Co-Al-W base alloyscitations
- 2014Effect of alloying on the oxidation behaviour of Co-Al-W superalloyscitations
- 2012High-resolution electron microscopy of dislocation ribbons in a CMSX-4 superalloy single crystalcitations
- 2012Shearing of γ′ precipitates in Ni-base superalloyscitations
- 2011Prediction of mechanical behaviour in Ni-base superalloys using the phase field model of dislocationscitations
- 2010Shearing of γ́ precipitates by a (112) dislocation ribbons in Ni-base superalloyscitations
- 2008Phase field modelling of stacking fault shear in nickel base superalloys
Places of action
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article
Effect of precipitation on mechanical properties in the β-Ti alloy Ti-24Nb-4Zr-8Sn
Abstract
<p>Tensile testing and cyclic tensile loading measurements were performed on heat-treated samples of annealed Ti-2448 and cold-rolled Ti-2448. Quenching from above the β-transus produces an alloy that is highly superelastic has ultra-low elastic modulus (10-25. GPa) and exhibits hysteresis on loading-unloading cycles. On repeated cycling the strain energy absorbed in each cycle decreases. Annealed Ti-2448 exhibits a stable hysteresis loop. Peaks from the α″ phase are observed in X-ray diffraction (XRD) patterns, thus the material is quite lean in β-stabilising additions. The alloy is shown to be highly unstable when heat-treated. A combination of small angle X-ray scattering (SAXS), transmission electron microscopy (TEM) and X-ray diffraction (XRD) was employed to relate the thermally induced microstructural evolution to the change in mechanical properties. A heat-treatment of 80. °C to the cold-rolled material precipitated the ω phase causing embrittlement. Increasing the ageing temperature from 80 to 300. °C increased the stiffness, made the elastic regime more linear, and further embrittled the alloy. The low temperature heat-treatments precipitate both ω and α″ phases. A higher temperature ageing treatment at 450. °C increased the yield strength to over 1. GPa and caused embrittlement, indicating co-precipitation of α and ω phases.</p>