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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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Magalhaes, L.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2012Low-loss austempered ductile iron gears: Experimental evaluation comparing materials and lubricantscitations
- 2011Low torque loss gears: austempered ductile iron versus carburized steelcitations
- 2008Austempered ductile iron (ADI) gears: Power loss, pitting and micropittingcitations
- 2005Artificial indentations for the study of contact fatigue of austempered ductile iron (ADI) discscitations
- 2004Contact fatigue behaviour of artificially indented austempered ductile iron discs
- 2000Experimental observations of contact fatigue crack mechanisms for austempered ductile iron (ADI) discscitations
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article
Contact fatigue behaviour of artificially indented austempered ductile iron discs
Abstract
Artificial indentations have been used as an auxiliary method to study metallic surfaces' contact fatigue behaviour since the early 90's. In this work indentation techniques based on hardness measurements were tested on the surface of austempered ductile iron (ADI) discs. These discs were tested on a twin-disc machine. The evolution of the areas around indentations (in this work these areas are called ZAF - Zones Affected by Fatigue) was followed during each twin-disc test and the surface condition of such artificially indented zones was characterized. These zones suffered intense plastic deformation and wear in early test stages and were then progressively damaged by contact fatigue. A coherent growth of each ZAF was observed along each contact fatigue test. It is shown that ZAFs' growth follows a trend simmilar to Paris law, revealing that the use of artificial indentations can be used as an auxiliary method to study contact fatigue phenomena.