| People | Locations | Statistics |
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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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Cook, Richard
University of Southampton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2022Effect of chromium and molybdenum increment on the crystal structure, nanoindentation and corrosion properties of cobalt based alloyscitations
- 2022Measuring the elastic modulus of soft biomaterials using nanoindentationcitations
- 2020A comparative study on the physicochemical characteristics of nanoparticles released in vivo from CoCrMo tapers and cement-stem interfaces of total hip replacements
- 2019The effects of substrate dilution on the microstructure and wear resistance of PTA Cu-Al-Fe aluminium bronze coatingscitations
- 2018The effect of micro-abrasion on enamel using abrasive slurries
- 2018Defect-free TiC/Si multi-layer electrical discharge coatingscitations
- 2017Investigation of wear and corrosion products from around explanted CoCrMo tapers
- 2017Inside a feather
- 2016Influence of the manufacturing finishing on the nano-scale wear resistance at the taper-trunnion interface in hip implants
- 2016Nano-scale wear characterization of CoCrMo biomedical alloyscitations
- 2016The importance of the film structure during self-powered Ibuprofen salicylate drug release from polypyrrole electrodeposited on AZ31 Mgcitations
- 2015Sub-surface characterisation of tribological contact zone of metal hip prosthesescitations
- 2015Microstructure characterisation of hypereutectoid aluminium bronze composite coatingcitations
- 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
- 2013Pseudotumour formation due to tribocorrosion at the taper interface of large diameter metal on polymer modular total hip replacementscitations
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.