Consolidation of Bioglass® 45S5 suspension through cold isostatic pressing

被引：9

作者：

Taveri, Gianmarco ^{[1
]}

Hanzel, Ondrej ^{[2
]}

Sedlacek, Jaroslav ^{[1
,2
]}

Tousek, Jaromir ^{[3
]}

Nescakova, Zuzana ^{[4
]}

Michalek, Martin ^{[4
]}

Dlouhy, Ivo ^{[5
]}

Hnatko, Miroslav ^{[1
,2
]}

机构：

[1] CEMEA Ctr Excellence Adv Mat Applicat, Dubravska Cesta 5807-9, Bratislava 84511, Slovakia

[2] Inst Inorgan Chem SAS, Dubravska Cesta 5807-9, Bratislava 84511, Slovakia

[3] Masaryk Univ, CEITEC Cent European Inst Technol, Kamenice 5-4, Brno 62500, Czech Republic

[4] Alexander Dubcek Univ Trencin, FUNGLASS Ctr Funct & Surface Functionalized Glass, Studentska 2, Trencin 91150, Slovakia

[5] Czech Acad Sci, CEITEC IPM Inst Phys Mat, Zizkova 513-22, Brno 61600, Czech Republic

来源：

CERAMICS INTERNATIONAL | 2021年 / 47卷 / 03期

关键词：

Bioglass (R) 45S5; Isostatic consolidation; Glass dissolution; Spectroscopy; Bioactivity; BIOACTIVE GLASS; IN-VITRO; SPECTROSCOPY;

D O I：

10.1016/j.ceramint.2020.09.283

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：

A new procedure for Bioglass (R) 45S5 powder consolidation was carried out in two water-based solutions using isostatic pressure. Nearly fully dense samples were obtained by precipitation of a dissolution product from Bioglass (R) powder mixed with distilled water or 1 M NaOH solution. The microstructure of the processed samples was inspected through SEM observations and the chemistry of the base material and the dissolution product was analyzed by EDX, Raman, and NMR spectroscopies. The base material and the precipitate differ in chemical nature, as evidenced by differences in chemical shifts in the NMR and Raman spectra, while the EDX line-scan showed a compositional gradient of the Bioglass (R) sample processed in NaOH. The immersion of the densified samples into the simulated body fluid (SBF) exhibited hydroxyapatite formation even after one day. The newly densified Bioglass (R) 45S5 could open up a new perspective in its practical exploitation in bio-engineering applications.

引用

页码：4090 / 4096

页数：7

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