Effect of annealing on mechanical and morphological properties of Poly(L-lactic acid)/Hydroxyapatite composite as material for 3D printing of bone tissue growth stimulating implants

Publication type: Journal Article
Publication date: 2019-04-24
IOP Publishing
SJR: —
CiteScore: —
Impact factor: —
ISSN: 17578981, 1757899X
General Medicine
Abstract
In this work, effect of additional annealing on mechanical and morphological properties of 3D-printed PLLA/HAp composite scaffolds of three compositions (12.5, 25, and 50 wt.% of HAp) was investigated. Morphology and Young's modulus of 3D-printed scaffolds were investigated by scanning electron microscopy and nanoindentation. It has been shown that additional annealing does not have an effect on the homogeneous distribution of HAp powder in the PLLA-matrix. Results of nanoindentation showed growth of Young's modulus after annealing. The maximum value of 9393 ± 709 MPa Young's modulus was reached for the annealed composite with 50 wt.% of HAp.
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Dubinenko G. E. et al. Effect of annealing on mechanical and morphological properties of Poly(L-lactic acid)/Hydroxyapatite composite as material for 3D printing of bone tissue growth stimulating implants // IOP Conference Series: Materials Science and Engineering. 2019. Vol. 511. p. 12008.
GOST all authors (up to 50) Copy
Dubinenko G. E., Zinoviev A. L., Bolbasov E. N., Novikov V. T., Tverdokhlebov S. I. Effect of annealing on mechanical and morphological properties of Poly(L-lactic acid)/Hydroxyapatite composite as material for 3D printing of bone tissue growth stimulating implants // IOP Conference Series: Materials Science and Engineering. 2019. Vol. 511. p. 12008.
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TY - JOUR
DO - 10.1088/1757-899X/511/1/012008
UR - https://doi.org/10.1088/1757-899X/511/1/012008
TI - Effect of annealing on mechanical and morphological properties of Poly(L-lactic acid)/Hydroxyapatite composite as material for 3D printing of bone tissue growth stimulating implants
T2 - IOP Conference Series: Materials Science and Engineering
AU - Dubinenko, Gleb E
AU - Zinoviev, A L
AU - Bolbasov, E. N.
AU - Novikov, V T
AU - Tverdokhlebov, S. I.
PY - 2019
DA - 2019/04/24
PB - IOP Publishing
SP - 12008
VL - 511
SN - 1757-8981
SN - 1757-899X
ER -
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@article{2019_Dubinenko,
author = {Gleb E Dubinenko and A L Zinoviev and E. N. Bolbasov and V T Novikov and S. I. Tverdokhlebov},
title = {Effect of annealing on mechanical and morphological properties of Poly(L-lactic acid)/Hydroxyapatite composite as material for 3D printing of bone tissue growth stimulating implants},
journal = {IOP Conference Series: Materials Science and Engineering},
year = {2019},
volume = {511},
publisher = {IOP Publishing},
month = {apr},
url = {https://doi.org/10.1088/1757-899X/511/1/012008},
pages = {12008},
doi = {10.1088/1757-899X/511/1/012008}
}