Porous titanium substrates coated with a bilayer of bioactive glasses

被引：19

作者：

Beltran, Ana M. ^{[1
]}

Alcudia, Ana ^{[2
]}

Begines, Belen ^{[2
]}

Rodriguez-Ortiz, Jose A. ^{[1
]}

Torres, Yadir ^{[1
]}

机构：

[1] Univ Seville, Dept Ingn & Ciencia Mat & Transporte, Escuela Politecn Super, Virgen Africa 7, Seville 41011, Spain

[2] Univ Seville, Fac Farm, Dept Quim Organ & Farmaceut, Seville 41012, Spain

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2020年 / 544卷

关键词：

Porous titanium; Coating; Mechanical properties; Scanning electron microscopy; 1393; and; 45S5; bioglass; SPACE-HOLDER; MECHANICAL-PROPERTIES; HYDROXYAPATITE; PARTICLES; SCAFFOLDS; COATINGS; CUO;

D O I：

10.1016/j.jnoncrysol.2020.120206

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Porous titanium substrates coated by dripping-sedimentation technique with a novel bilayer of (45S5 / 1393) bioactive glasses are proposed to overcome some limitations of the use of titanium for implants, such as the stress shielding and the poor osseointegration. Composition, thickness, roughness and micromechanical behavior (P-h curves) of the coating and the influence of the porous titanium substrates have been characterized. Best results were found for the substrate with 30 vol.% of porosity and a range size of 355 - 500 mu m, since it enhanced the mechanical and biofunctional behavior, due to the good adhesion of the 1393 bioglass to the substrate and the greater bioactivity of the 45S5 bioglass, which would be in contact with the bone.

引用

页数：8

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