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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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Blackwell, Paul
University of Strathclyde
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (41/41 displayed)
- 2023Integrating HIP and homogenisation heat treatment and its effect on the workability of a conventional peritectic TiAl alloycitations
- 2023Improving forging outcomes of cast titanium aluminide alloy via cyclic induction heat treatment
- 2023Influence of mesh in modelling of flow forming process
- 2022Tailoring titanium sheet metal using laser metal deposition to improve room temperature single-point incremental formingcitations
- 2021Effect of machining induced microstructure changes on the edge formability of titanium alloys at room temperature
- 2021A new route for developing ultrafine-grained Al alloy strips using repetitive bending under tensioncitations
- 2021Influence of longitudinal scratch defects on the bendability of titanium alloycitations
- 2020Formability of AA-7075 sheets subjected to repetitive bending under tension
- 2020Influence of sheet conditions on in-plane strain evolution via ex-situ tensile deformation of Ti-3Al-2.5V at room temperaturecitations
- 2020Examining failure behaviour of commercially pure titanium during tensile deformation and hole expansion testcitations
- 2020Influence of laser power and powder feed rate on the microstructure evolution of laser metal deposited Ti-5553 on forged substratescitations
- 2020Mechanical response and microstructure evolution of commercially pure titanium subjected to repetitive bending under tensioncitations
- 2020Aspects of high strain rate industrial forging of Inconel 718
- 2020Impact of machining induced surface defects on the edge formability of commercially pure titanium sheet at room temperaturecitations
- 2020Superplastic behaviour of Ti54M and Ti64citations
- 2019Effect of edge conditions on the formability of commercially pure titanium sheet (Grade 2) at room temperature
- 2019Superplastic behaviour of Ti54M and Ti64
- 2018Studies on Ti54M Titanium Alloy for Application within the Aerospace Industry
- 2018The effect of elasto-plastic properties of materials on their formability by flow formingcitations
- 2018Studies on titanium alloys for aerospace applicationcitations
- 2018Studies on titanium alloys for aerospace applicationcitations
- 2017Al-Li Alloys – The Analysis of Material Behaviour during Industrial Hot Forgingcitations
- 2017On the specifics of modelling of rotary forging processes
- 2017A dynamic model for simulation of hot radial forging processcitations
- 2017Microstructure and residual stress in Ti-6l-4V parts made by different additive manufacturing techniques
- 2017Al-Li Alloys : The Analysis of Material Behaviour during Industrial Hot Forgingcitations
- 2016β Recrystallisation characteristics of α + β titanium alloys for aerospace applicationscitations
- 2016Modelling microstructure evolution in ATI 718Plus® alloy
- 2016An approach to microstructure modelling in nickel based superalloys
- 2016Wear behaviour of laser cladded Ni-based WC composite coating for Inconel hot extrusion
- 2016Effect of plastic deformation on elastic and plastic recovery in CP-Titaniumcitations
- 2016The development of stress based continuum damage mechanics model for predicting the formability of Magnesium alloys under cold/warm stamping processes
- 2016The mechanics of superplastic formingcitations
- 2016Microstructure and residual stress in Ti-6l-4V parts made by different additive manufacturing techniques
- 2016Feasibility study of complex sheet hydroforming processcitations
- 2015Simulation of the material softening during hot metal formingcitations
- 2014Improvement in ductility in commercially pure titanium alloys by stress relaxation at room temperaturecitations
- 2014Modelling of active transformation of microstructure of two-phase Ti alloys during hot workingcitations
- 2013Modelling the superplastic forming of a multi-sheet diffusion bonded titanium alloy demonstrator fan bladecitations
- 2005Laser-aided manufacturing technologies; their application to the near-net shape forming of high-strength titanium alloycitations
- 2000Superplastic behaviour of Inconel 718 sheetcitations
Places of action
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conferencepaper
Formability of AA-7075 sheets subjected to repetitive bending under tension
Abstract
The fundamental objective of this work is to study the cold formability of AA-7075_O by a testing methodology known as repetitive bending under tension. The repetitive bending under tension is a testing methodology to create a similar deformation condition to that which occurs during incremental sheet forming.In the case of repetitive bending under tension tests, the sheet metal sample is subjected to localised bending under tensile loading. This additional bending during testing is applied by sliding a set of rollers over the gauge length of the tested sample. In order to study the influence of various strain conditions at the plastic deformation zone, specimens with different geometries were investigated. In addition, samples from three different orientations of 0˚, 45˚ and 90˚ with respect to the rolling direction were tested to study the effect of mechanical anisotropy on deformation behaviour. The results confirmed a significant increase in elongation to failure in samples subjected to repetitive bending under tension as compared to those subjected to standard tensile tests under similar conditions. It is shown that this could be due to a delay in localised necking during repetitive bending under tension.Finite element analysis (FEA) has also been used to simulate the process. In agreement with the experimental finding, FEA results show that the maximum force required to deform the material is less than that required during a standard tensile test.Analysis of 3D scanning of samples that went up to fracture during repetitive bending under tension and a standard tensile test revealed that the samples undergoing the former underwent a more uniform reduction in thickness and width along the gauge length, compared to the latter. TEM observations of the microstructure confirms grain refinement in the samples subjected to repetitive bending under tension. This could be due to a strain induced dynamic recrystallisation process occurring during the test. Analysing the crystallographic texture using neutron diffraction revealed that a strong {111}//ND fibre texture had been developed during the repetitive bending under tension test. This could be due plastic shear strain introduced by repetitively bending and unbending through the sheet thickness.