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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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Walker, J. C.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2015Reproducing automotive engine scuffing using a lubricated reciprocating contactcitations
- 2015Corrosion resistance enhancement of Ti-6Al-4V Alloy by pulsed electron irradiation for biomedical applications
- 2014Nanostructures in austenitic steel after EDM and pulsed electron beam irradiationcitations
- 2014Subsurface modifications in powder metallurgy aluminium alloy composites reinforced with intermetallic MoSi2 particles under dry sliding wearcitations
- 2014The effect of large-area pulsed electron beam melting on the corrosion and microstructure of a Ti6Al4V alloycitations
- 2013Pulsed electron beam surface melting of CoCrMo alloy for biomedical applicationscitations
- 2013Results of a UK industrial tribological survey
- 2013The influence of start-stop velocity cycling on the friction and wear behaviour of a hyper-eutectic Al-Si automotive alloycitations
- 2013A FIB/TEM study of butterfly crack formation and white etching area (WEA) microstructural changes under rolling contact fatigue in 100Cr6 bearing steelcitations
- 2013Influence of microstructure on the erosion and erosion–corrosion characteristics of 316 stainless steelcitations
- 2012Investigation of erosion-corrosion mechanisms of UNS S31603 using FIB and TEMcitations
- 2011A study on the evolution of surface and subsurface wear of UNS S31603 during erosion-corrosioncitations
- 2011Dry sliding wear behaviour of powder metallurgy Al-Mg-Si alloy-MoSi2 composites and the relationship with the microstructurecitations
- 2008Oxidation characteristics of gamma-TiAl-8Nb coated with a CrAlYN/CrN nanoscale multilayer coating
- 2008Oxidation characteristics of γ-TiAl-8Nb coated with a CrAlYN/CrN nanoscale multilayer coating
- 2007TEM characterisation of near surface deformation resulting from lubricated sliding wear of aluminium alloy and compositescitations
- 2006Site specific SEM/FIB/TEM for analysis of lubricated sliding wear of aluminium alloy compositescitations
- 2005Lubricated sliding wear behaviour of aluminium alloy compositescitations
Places of action
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article
The effect of large-area pulsed electron beam melting on the corrosion and microstructure of a Ti6Al4V alloy
Abstract
The use of titanium alloys in biomedical applications continues to increase due to the excellent stiffness to weight ratio and high corrosion resistance. In order to improve the surface wettability and corrosion properties of a Ti-6Al-4V alloy, the surface treatment method, large area electron beam melting technique was investigated. Polished samples were subject to pulsed treatments of 1, 15 and 25 at 1.38 J/cm2 beam energy. Surface roughness and contact wetting angles were reduced as a result of the treatment. Microstructural analysis of the surface by XRD and FIB-TEM revealed a martensitic alpha prime phase formed as a result of the high cooling rates induced by the treatment. The presence of this homogenous martensite layer was shown to facilitate a compact passive oxide layer formation during corrosion, thus improving corrosion rates by several orders of magnitude compared to an untreated sample. Large area electron beam melting of Ti-6Al-4V induced a number of changes to the near surface microstructure of the samples, all of which could be used to tailor mechanical and corrosion properties to that of a desired application, without compromising the bulk material properties. These are explored in detail in this work.