Effect of Ag2+ and C+ Ion Implantation on the Surface Physicochemical Properties of Polylactic Acid, Hydroxyapatite, and Their Composites

We investigated the surface physicochemical properties of biomedical materials (made from polylactic acid (PLA), hydroxyapatite (HA), and composites based on PLA and HA with the mass ratio of 80/20 and 60/40, respectively) modified by C + and Ag 2+ ion implantation at the dose of 1 × 10 16 cm –2 at...

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Published inInorganic materials : applied research Vol. 11; no. 3; pp. 507 - 513
Main Authors Laput, O. A., Vasenina, I. V., Kurzina, I. A.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 2020
Springer Nature B.V
Subjects
Biodegradable materials
Biomedical materials
Chemistry
Chemistry and Materials Science
Composite materials
Crystallites
Effect of Energy Fluxes on Materials
Hydroxyapatite
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Ion implantation
Materials Science
Microhardness
Polylactic acid
Surface layers
Surgical implants
hydroxyapatite
polylactic acid
ion implantation
phase composition
crystallinity
electrical conductivity
composite materials
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Summary:We investigated the surface physicochemical properties of biomedical materials (made from polylactic acid (PLA), hydroxyapatite (HA), and composites based on PLA and HA with the mass ratio of 80/20 and 60/40, respectively) modified by C + and Ag 2+ ion implantation at the dose of 1 × 10 16 cm –2 at the accelerating voltage of 20 kV. It was found that ion implantation leads to greater crystallite size and crystallinity of materials, larger pore volume in surface layers, enhanced surface conductivity, and reduced microhardness of materials.
ISSN:2075-1133
2075-115X
DOI:10.1134/S2075113320030296