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| Naji, M. |
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| Motta, Antonella |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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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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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Ali, M. A. |
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| Azevedo, Nuno Monteiro |
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Wood, R. J. K.
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Publications (11/11 displayed)
- 2020Structure and mechanical properties of Ce-La alloys containing 3- 10 wt. % Lacitations
- 2019Cavitation erosion performance of CrAlYN/CrN nanoscale multilayer coatings deposited on Ti6Al4V by HIPIMScitations
- 2019The effect of over-based calcium sulfonate detergent additives on white etching crack (WEC) formation in rolling contact fatigue tested 100Cr6 steelcitations
- 2018Thermal desorption analysis of hydrogen in non-hydrogen-charged rolling contact fatigue-tested 100Cr6 steelcitations
- 2018The evolution of white etching cracks (WECs) in rolling contact fatigue-tested 100Cr6 steelcitations
- 2015Electrochemical detection of cupric ions with boron-doped diamond electrode for corrosion monitoring
- 2010Interpretation of electrochemical measurements made during micro-scale abrasion-corrosioncitations
- 2009A '3-body' abrasion wear study of bioceramics for total hip joint replacementscitations
- 2009Surface potential effects on friction and abrasion of sliding contacts lubricated by aqueous solutionscitations
- 2009Abrasive size and concentration effects on the tribo-corrosion of cast CoCrMo alloy in simulated body fluidscitations
- 2009Micro-abrasion mechanisms of cast CoCrMo in simulated body fluidscitations
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article
Structure and mechanical properties of Ce-La alloys containing 3- 10 wt. % La
Abstract
This paper describes a study of the microstructure and mechanical properties of a range of cerium-lanthanum (Ce-La) alloys with La contents of between 3 wt. % and 10 wt. %. Ce-La alloys are regarded as non-radioactive surrogates for delta-phase plutonium (δ-Pu) alloys. The Ce-La alloys were characterised using optical microscopy, energy dispersive spectroscopy and X-ray diffraction while the mechanical properties were determined using micro-hardness, ultrasonic velocity and nanoindentation measurements. The presence of La appears to impart a degree of solid solution hardening to the alloys, as indicated by the modest increase in micro-hardness with increasing La content; a small increase in elastic modulus with La content was also seen. The hardness and elastic modulus values of the Ce-La alloys in this study are similar to those of homogenized Pu-Ga alloys in the Ga-lean part of the δ-Pu phase field. Despite the propensity of the Ce-La alloys to undergo oxidation in air, the oxide thicknesses of the alloys, which were determined by energy dispersive spectroscopy, were found to be insufficient to exert a significant influence on the nanoindentation measurements.