Sintering and crystallization kinetics of bioactive glass 13-93

被引：3

作者：

Blaess, C. ^{[1
]}

Mueller, R. ^{[1
]}

Boccaccini, A. R. ^{[2
]}

机构：

[1] Dept Mat 5, Div Glass 5 6, Bundesanstalt Materialforschung & Prufung BAM, Richard Willstatter Str 11, D-12489 Berlin, Germany

[2] Friedrich Alexander Univ Erlangen Nuremberg, Inst Biomat, Cauer str 6, D-91058 Erlangen, Germany

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2024年 / 627卷

关键词：

Bioactive glass; Sintering; Crystallization; BONE REGENERATION; SCAFFOLDS; MINERALIZATION; DEPENDENCE; LAYER;

D O I：

10.1016/j.jnoncrysol.2023.122790

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：

This study investigates the sintering and crystallization behavior and kinetic of the bioactive glass (BG) 13-93 with nominal composition (in mol%): 54.6 SiO2 - 1.7 P2O3 - 22.1 CaO - 6.0 Na2O - 7.9 K2O - 7.7 MgO. Sintering and crystallization were investigated non-isothermally for various particle size fractions smaller than 315 mu m as well as for bulk samples. Densification was not hindered by the presence of crystalline phases across all particle size fractions. Afterwards, wollastonite was found as the dominant crystal phase at higher temperature which resorb primary surface precipitation-like quartz crystallites. The growth direction shifts into volume when the sample surface is nearly covered. The crystal growth rate of wollastonite was calculated from the crystalline surface layer thickness measured during heating. The findings of this study are relevant for the high temperature processing of BG 13-93.

引用

页数：7

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