| 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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Qarni, Muhammad Jawad
University of Strathclyde
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2017Influence of incremental ECAP on the microstructure and tensile behaviour of commercial purity titaniumcitations
- 2017Effect of incremental equal channel angular pressing (I-ECAP) on the microstructural characteristics and mechanical behaviour of commercially pure titaniumcitations
- 2017Microstructure and mechanical properties of Al-1050 during incremental ECAPcitations
- 2016Effect of channel angle on the material flow and hardness distribution during incremental ECAP of Al-1050 billets
- 2015The origin of fracture in the I-ECAP of AZ31B magnesium alloycitations
- 2015Determination of friction factor by ring compression testing and FE analysis
- 2013Modelling the superplastic forming of a multi-sheet diffusion bonded titanium alloy demonstrator fan bladecitations
- 20093D thermal finite element analysis of single pass girth welded low carbon steel pipe-flange joints
Places of action
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article
Determination of friction factor by ring compression testing and FE analysis
Abstract
The goal of this study was to examine performance of various lubricants for aluminium alloy AA5083. Conventional ring compression tests were conducted at 200 °C. Samples were compressed to 50% of the initial height with a constant ram velocity 0.5 mm/s using a servo-controlled hydraulic press. The optimization procedure was implemented in self-developed software to identify friction factors from experiments. The application launches remotely finite element (FE) simulations of ring compression with a changing friction factor until a difference between experiment and numerical prediction of the internal diameter of the sample is smaller than 0.5%. FE simulations were run using Forge3 commercial software. The obtained friction factor quantitatively describes performance of a lubricant and can be used as an input parameter in FE simulation of other processes. It was shown that application of calcium aluminate conversion coating as pre-lubrication surface treatment reduced friction factor from 0.28 to 0.18 for MoS2 paste. It was also revealed that commercially available graphite-based lubricant with an addition of calcium fluoride applied on conversion coating of calcium aluminate had even lower friction factor of 0.11