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- W2897401600 abstract "The mechanisms responsible for modifying the wettability characteristics of a magnesia partially stabilised zirconia (MgO-PSZ) bioceramic material after CO2 laser treatment have been elucidated. Changes in the contact angle, θ, and hence the wettability characteristics of the MgO-PSZ were attributed primarily to: modifications to the surface roughness of the material which accordingly effected reductions in θ the increase in the surface O2 content of the material; since an increase in surface O2 content intrinsically brings about a decrease in θ, and vice versa, and the increase in the polar component of the surface energy, γsvp due to the CO2 laser induced surface melting and resolidification which consequently created a partially vitrified microstructure that was seen to augment the wetting action. However, the degree of influence exerted by each mechanism was found to differ markedly. Isolation of each of these mechanisms permitted the magnitude of their influence to be qualitatively determined. Surface energy, by way of microstructural changes, was found to be by far the most predominant element governing the wetting characteristics of the MgO-PSZ. To a much lesser extent, surface O2 content, was also seen to influence to a change in the wettability characteristics of the MgOPSZ, whilst surface roughness was found to play a minor role in inducing changes in the wettability characteristics.The mechanisms responsible for modifying the wettability characteristics of a magnesia partially stabilised zirconia (MgO-PSZ) bioceramic material after CO2 laser treatment have been elucidated. Changes in the contact angle, θ, and hence the wettability characteristics of the MgO-PSZ were attributed primarily to: modifications to the surface roughness of the material which accordingly effected reductions in θ the increase in the surface O2 content of the material; since an increase in surface O2 content intrinsically brings about a decrease in θ, and vice versa, and the increase in the polar component of the surface energy, γsvp due to the CO2 laser induced surface melting and resolidification which consequently created a partially vitrified microstructure that was seen to augment the wetting action. However, the degree of influence exerted by each mechanism was found to differ markedly. Isolation of each of these mechanisms permitted the magnitude of their influence to be qualitatively determined. Surfac..." @default.
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- W2897401600 date "2004-01-01" @default.
- W2897401600 modified "2023-10-16" @default.
- W2897401600 title "Identification of the mechanisms governing modifications of the wettability characteristics of a magnesia partially stabilised zirconia bioceramic following CO2 laser treatment" @default.
- W2897401600 doi "https://doi.org/10.2351/1.5056150" @default.
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