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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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Joyce, M. R.
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Topics
Publications (8/8 displayed)
- 2016Assessment of mixed mode loading on macroscopic fatigue crack paths in thick section Al-Cu-Li alloy platecitations
- 2004The effect of environment and orientation on fatigue crack growth behaviour of CMSX-4 nickel base single crystal at 650 °Ccitations
- 2004Fatigue crack initiation and early growth in a multiphase Al alloy included in a multilayer material systemcitations
- 2004Quantitative assessment of preferential fatigue initiation sites in a multi-phase aluminium alloycitations
- 2003Microstructural characterisation of fatigue crack initiation in Al-based plain bearing alloyscitations
- 2003Elevated temperature short crack fatigue behaviour in near eutectic Al-Si alloyscitations
- 2002Elevated temperature fatigue of Al-Si piston alloys
- 2000Microstructural influences on fatigue crack initiation and early growth behaviour in plain bearing Al-based linings
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document
Microstructural influences on fatigue crack initiation and early growth behaviour in plain bearing Al-based linings
Abstract
Fatigue initiation and subsequent short and long crack growth has been investigated in an typical automotive bearing system, focussing on the behaviour of the aluminium-tin-silicon lining material. Crack initiation appears to be associated with decohesion of the interface between the primary, globular silicon and the aluminium matrix. Short crack growth, and crack growth at low Delta K levels in the long crack case, appears to be tortuous and highly microstructurally dependent, deviating towards secondary phase/matrix interfaces. At higher Delta K levels crack growth occurs principally through the aluminium matrix, and classical striations are seen. Multiple crack initiation is seen in the multiphase bearing lining material and crack coalescence gives rise to the dominant crack. Uncoalesced cracks appear to arrest at a "critical" surface crack length, whose dimension has been linked to sub-surface crack deflection within the lining material once the crack reaches the steel backing.