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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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Capek, J.
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Publications (5/5 displayed)
- 2024The role of the preparation route on microstructure and mechanical properties of AlCoCrFeNi high entropy alloycitations
- 2023Shape memory and mechanical properties of a Fe-Mn-Si-based shape memory alloy: effect of crystallographic texture generated during additive manufacturingcitations
- 2023A novel approach for evaluating creep damage and cavitation in copper bicrystals subject to constant loadcitations
- 2022Wire and arc additive manufacturing of 316L stainless steel/Inconel 625 functionally graded material: development and characterizationcitations
- 2019Advanced analysis of the deformation mechanisms in extruded magnesium alloys containing neodymium or yttriumcitations
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article
A novel approach for evaluating creep damage and cavitation in copper bicrystals subject to constant load
Abstract
Creep in metal alloys is an important failure mode for high temperature and stress applications, but despite extensive study it is still not fully understood, particularly the early stage of creep cavity formation. This paper describes a novel constant load cantilever beam test to investigate creep damage and cavitation at grain boundaries in copperbicrystals. Bicrystals of copper have been prepared with the grain boundary oriented normal to the beam long axis, allowing the development of damage at a single boundary to be studied. Tests were conducted at a temperature of 285° C in a vacuum of 10-10 MPa. Creep cavitation is observed in copper bicrystals of {001} and {111} orientation with a 22° rotation at the boundary. We compare these data with observations for a polycrystalline copper specimen.