Tailored mechanical properties of silicon nitride-hydroxyapatite composite scaffolds for biomedical applications
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F25%3A00636924" target="_blank" >RIV/68081723:_____/25:00636924 - isvavai.cz</a>
Výsledek na webu
<a href="https://www.webofscience.com/wos/woscc/full-record/WOS:001510452400001" target="_blank" >https://www.webofscience.com/wos/woscc/full-record/WOS:001510452400001</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1111/ijac.70007" target="_blank" >10.1111/ijac.70007</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Tailored mechanical properties of silicon nitride-hydroxyapatite composite scaffolds for biomedical applications
Popis výsledku v původním jazyce
Silicon nitride (Si3N4)-hydroxyapatite (HA) composite scaffolds for bone replacement were developed via pressure infiltration of HA into a porous Si3N4 matrix. The effect of replication processing parameters (SiO2 content, number of infiltrations, and calcination temperature) on the structure and mechanical properties of the porous Si3N4 matrix was investigated and compared to human trabecular bone. All fabricated Si3N4 matrices exhibited interconnected porosity comparable to trabecular bone. A matrix processed with double infiltration with 15 wt.% SiO2 suspension, followed by calcination at 1100 degrees C, demonstrated the highest compressive strength. Subsequent pressure infiltration with HA significantly enhanced both the compressive (similar to twofold) and tensile strength (> quadruple) of this matrix, yielding a composite scaffold with a compressive strength similar to that of human trabecular bone, while maintaining comparable microporosity.
Název v anglickém jazyce
Tailored mechanical properties of silicon nitride-hydroxyapatite composite scaffolds for biomedical applications
Popis výsledku anglicky
Silicon nitride (Si3N4)-hydroxyapatite (HA) composite scaffolds for bone replacement were developed via pressure infiltration of HA into a porous Si3N4 matrix. The effect of replication processing parameters (SiO2 content, number of infiltrations, and calcination temperature) on the structure and mechanical properties of the porous Si3N4 matrix was investigated and compared to human trabecular bone. All fabricated Si3N4 matrices exhibited interconnected porosity comparable to trabecular bone. A matrix processed with double infiltration with 15 wt.% SiO2 suspension, followed by calcination at 1100 degrees C, demonstrated the highest compressive strength. Subsequent pressure infiltration with HA significantly enhanced both the compressive (similar to twofold) and tensile strength (> quadruple) of this matrix, yielding a composite scaffold with a compressive strength similar to that of human trabecular bone, while maintaining comparable microporosity.
Klasifikace
Druh
J<sub>imp</sub> - Článek v periodiku v databázi Web of Science
CEP obor
—
OECD FORD obor
20504 - Ceramics
Návaznosti výsledku
Projekt
—
Návaznosti
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Ostatní
Rok uplatnění
2025
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název periodika
International Journal of Applied Ceramic Technology
ISSN
1546-542X
e-ISSN
1744-7402
Svazek periodika
22
Číslo periodika v rámci svazku
5
Stát vydavatele periodika
US - Spojené státy americké
Počet stran výsledku
12
Strana od-do
70007
Kód UT WoS článku
001510452400001
EID výsledku v databázi Scopus
2-s2.0-105008455442