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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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Pomberger, Sebastian
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Publications (8/8 displayed)
- 2020Areal fatigue strength assessment of cast aluminium surface layerscitations
- 2020Validation Study on the Statistical Size Effect in Cast Aluminiumcitations
- 2020Fatigue strength assessment of heterogeneously textured sand-cast aluminium surface layers
- 2019Effect of Post Treatment on the Microstructure, Surface Roughness and Residual Stress Regarding the Fatigue Strength of Selectively Laser Melted AlSi10Mg Structurescitations
- 2019Evaluation of surface roughness parameters and their impact on fatigue strength of Al-Si cast materialcitations
- 2019On the Statistical Size Effect of Cast Aluminiumcitations
- 2019Short and long crack growth of aluminium cast alloyscitations
- 2017Randschichteffekte bei der Ermüdungsfestigkeitsbewertung von Aluminiumgussbauteilen
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article
Evaluation of surface roughness parameters and their impact on fatigue strength of Al-Si cast material
Abstract
Sand-cast aluminium components enable complex component designs whose surface is partly machined subsequently. Thus, the fatigue strength is affected both by volumetric shrinkage porosity as well as by surface roughness. For as-cast surface characterisation, utilization of area-based roughness parameters is essential. Fatigue tests covering T6 and HIP heat treatment as well as machined versus as-cast surface conditions are performed, whereat a change of up to fifteen percent in fatigue strength is observable. The results of this study reveal, that the mean values of the area-based surface roughness parameters Sa and St correlate well with the fatigue strength if no micro-porosity exists within the surface layer