Investigation of the HA film deposited on the porous Ti6Al4V alloy prepared via additive manufacturing

This study is focused on the use of radio frequency magnetron sputtering to modify the surface of porous Ti6Al4V alloy fabricated via additive manufacturing technology. The hydroxyapatite (HA) coated porous Ti6Al4V alloy was studied in respect with its chemical and phase composition, surface morphol...

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Bibliographic Details
Published inIOP conference series. Materials Science and Engineering Vol. 98; no. 1; pp. 12025 - 12029
Main Authors Surmeneva, M, Chudinova, E, Syrtanov, M, Koptioug, A, Surmenev, R
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 06.11.2015
Subjects
Additive manufacturing
Alloying additive
Chemical composition
Contact angle
Free energy
Hydroxyapatite
Hysteresis
Magnetron sputtering
Manufacturing
Morphology
Phase composition
Protective coatings
Substrates
Surgical implants
Titanium base alloys
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Summary:This study is focused on the use of radio frequency magnetron sputtering to modify the surface of porous Ti6Al4V alloy fabricated via additive manufacturing technology. The hydroxyapatite (HA) coated porous Ti6Al4V alloy was studied in respect with its chemical and phase composition, surface morphology, water contact angle and hysteresis, and surface free energy. Thin nanocrystalline HA film was deposited while its structure with diamond-shaped cells remained unchanged. Hysteresis and water contact angle measurements revealed an effect of the deposited HA films, namely an increased water contact angle and contact angle hysteresis. The increase of the contact angle of the coating-substrate system compared to the uncoated substrate was attributed to the multiscale structure of the resulted surfaces.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/98/1/012025