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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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Taylor, Scott
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2024An X-ray diffraction study of the influence of linear and changing strain paths on strain and texture evolution in AA6111-T4 aluminium alloy sheetscitations
- 2024Effect of continuous and discontinuous non-proportional loadings on formability of DX54 sheet materialcitations
- 2022Identifying Optimal Hot Forming Conditions for AA6010 Alloy by Means of Elevated Temperature Tensile Testingcitations
- 2022A Novel Testing Methodology for In Situ Microstructural Characterisation During Continuous Strain Path Changecitations
- 2022Development of a novel testing methodology for in-situ microstructural characterisation during continuous strain path changecitations
- 2020Microstructural evolution of 316L austenitic stainless steel during in-situ biaxial deformation and annealingcitations
- 2019Comparison of formability and microstructural evolution of C106 copper and 316L stainless steelcitations
- 2018Comparison of superplastic forming abilities of as‐cast AZ91 magnesium alloy prepared by twin roll casting and WE43 magnesium alloycitations
- 2017Predicting the warm forming behavior of WE43 and AA5086 alloyscitations
- 2016Development of a hot gas formable AA7XXX alloy & hybrid SPF/warm forming technology for light-weight automotive structures in niche vehicle manufacturing
- 2010Investigation into the improved dispersion of nickel oxide over the surface of SOFC tubular anodes
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article
Comparison of superplastic forming abilities of as‐cast AZ91 magnesium alloy prepared by twin roll casting and WE43 magnesium alloy
Abstract
This paper describes and compares the superplastic behaviour and microstructural evolution of twin roll cast AZ91 and WE43 rolled sheet alloys. Tests were carried out in uniaxial tension on both alloys across a range of temperatures (300 °C–525 °C) and strain rates (1⋅10‐4 s‐1–1⋅10‐1 s‐1). In the case of WE43 gas bulge testing was employed at 400 °C and 0.6 MPa to offer a better analogy to superplastic forming than uniaxial tensile testing. Elongations of over 400 % were observed within WE43 when tested at 450 °C and 1⋅10‐3 s‐1 strain rate, and over 200 % within AZ91 when tested at 350 °C and 1⋅10‐3 s‐1 strain rate. A peak cone height of 41 mm was achieved with WE43 at a temperature of 400 °C and pressure of 0.6 MPa. Electron back scattered detection technique was employed to analyse the microstructural evolution of the two alloys during the forming process. Both WE43 and AZ91 were observed to undergo dynamic recrystallization during elevated temperature tensile testing and failed at low strain rates mainly by means of coalescence of cavitation, in the case of AZ91 at high strain rates cracking of Al12Mg17 intermetallic particles was the dominating failure mechanism. Both alloys were seen to achieve good levels of superplastic ductility over 200 % elongation, which would be industrially useful in niche vehicle and aerospace manufacturing.