| 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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Pickering, Ej
University of Manchester
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (37/37 displayed)
- 2024Eutectic Superalloys for Laser Powder Bed Fusion
- 2024In-Situ EBSD Study of Austenitisation in a Wire-Arc Additively Manufactured High-Strength Steelcitations
- 2024Development of novel carbon-free cobalt-free iron-based hardfacing alloys with a hard π-ferrosilicide phase
- 2023β grain refinement during solidification of Ti-6Al-4V in Wire-Arc Additive Manufacturing (WAAM)citations
- 2023Using Concentration Gradients to Examine the Effects of Al, Ga and Sn Additions on the Low-Activation VCrMnFe Systemcitations
- 2022β Grain refinement by yttrium addition in Ti-6Al-4V Wire-Arc Additive Manufacturingcitations
- 2022Fundamental Aspects of Functional Grading via Powder Hot Isostatic Pressing - Development of microstructure and diffusional processescitations
- 2021Addition of Ge to Cr–Ta–Si laves phase-based alloys
- 2021Development of a novel Ni-based multi-principal element alloy filler metal, using an alternative melting point depressantcitations
- 2021An assessment of the thermal stability of refractory high entropy superalloys
- 2021The Potential for Grain Refinement of Wire-Arc Additive Manufactured (WAAM) Ti-6Al-4V by ZrN and TiN Inoculationcitations
- 2021Microstructure transition gradients in titanium dissimilar alloy (Ti-5Al-5V-5Mo-3Cr/Ti-6Al-4V) tailored wire-arc additively manufactured componentscitations
- 2021An investigation of the miscibility gap controlling phase formation in refractory metal high entropy superalloys via the Ti-Nb-Zr constituent system
- 2020Novel reduced-activation TiVCrFe based high entropy alloyscitations
- 2020The effect of Al on the formation and stability of a bcc - B2 microstructure in a refractory metal high entropy superalloy system
- 2020Elucidating the microstructural development of refractory metal high entropy superalloys via the Ti–Ta–Zr constituent system
- 2020Developing alloy compositions for future high temperature disk rotorscitations
- 2020Observation of a refractory metal matrix containing Zr-Ti- rich precipitates in a Mo0.5NbTa0.5TiZr high entropy alloycitations
- 2020Observation of a refractory metal matrix containing Zr-Ti-rich precipitates in a Mo 0.5 NbTa 0.5 TiZr high entropy alloy
- 2019On the design and feasibility of tantalum-base superalloyscitations
- 2019Measurement and Prediction of Phase Transformation Kinetics in a Nuclear Steel During Rapid Thermal Cyclescitations
- 2018On the effect of Nb on the microstructure and properties of next generation polycrystalline powder metallurgy Ni-based superalloyscitations
- 2018On the influence of Mn on the phase stability of the CrMn x FeCoNi high entropy alloys
- 2018The effect of zirconium on the omega phase in Ti-24Nb-[0–8]Zr (at.%) alloys
- 2018Observation of a new B2 structured phase in Ti-15Mo (wt%)citations
- 2017An assessment of the lattice strain in the CrMnFeCoNi high-entropy alloy
- 2017The effect of heat treatment on precipitation in the Cu-Ni-Al alloy Hiduron® 130citations
- 2017Synchrotron and neural network analysis of the influence of composition and heat treatment on the rolling contact fatigue of hypereutectoid pearlitic steelscitations
- 2017Degradation of metallic materials studied by correlative tomographycitations
- 2017Gamma-gamma prime-gamma double prime dual-superlattice superalloyscitations
- 2016Precipitation in the equiatomic high-entropy alloy CrMnFeCoNi
- 2016The microstructure and hardness of Ni-Co-Al-Ti-Cr quinary alloyscitations
- 2016Soft novel form of white-etching matter and ductile failure of carbide-free bainitic steels under rolling contact stressescitations
- 2016High-entropy alloys: a critical assessment of their founding principles and future prospectscitations
- 2015A Comprehensive Case Study of Macrosegregation in a Steel Ingot
- 2015Fine-scale precipitation in the high-entropy alloy Al 0.5 CrFeCoNiCu
- 2014Degradation of nanostructured bainitic steel under rolling contact fatigue
Places of action
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article
Development of novel carbon-free cobalt-free iron-based hardfacing alloys with a hard π-ferrosilicide phase
Abstract
Recently, iron-based alloys with a π-ferrosilicide phase have emerged as potential <br/>alternatives to cobalt-based hardfacing alloys. Here, we present the development of two π-ferrosilicide containing alloys: one with a ferritic matrix and the other with a ferriticaustenitic matrix. In the as-cast condition, both alloys revealed fine Ni- and Si-rich coherent cubic shaped D0<sub>3</sub> precipitates in the BCC matrix. The π-ferrosilicide phase was found to have an orientation relationship with the ferrite phase, nucleating within ferrite matrix and from ferrite grain boundaries. In contrast to carbide-strengthened hardfacing Fe-alloys, here the dissolution of the π-ferrosilicide phase at 1200<sup>o</sup>C enables easy thermomechanical processing of these alloys, which results in refinement of the π-ferrosilicide and additional <br/>formation of χ-phase precipitates in the ferrite. Nano-scratch tests provided evidence of a resilient silicide-ferrite interface, likely to due to it possessing some coherency. Both alloys also displayed compressive strengths approaching 2 GPa and ductility in compression of approximately 25%. The combination of processability and attractive mechanical properties suggests that these alloys have the potential to serve as alternatives to carbide-reinforced hardfacing Fe-alloys.