Effect of Y2O3 on crystallization and mechanical properties of sodium aluminum silicate glass containing ZrO2 - Details

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Abstract：

In　this　paper,　high　transmittance　glass-ceramics　containing　Zirconium　Yttrium　Oxide　(Zr0.82Y0.18O1.91)　nanocrystals　were　successfully　prepared　by　melt　cooling　and　crystallization　heat-treatment　method.　The　effects　of　Y2O3　concentration　on　the　structure,　crystallization　performance,　transmittance,　and　indentation　fracture　toughness　of　Na2O–Al2O3–B2O3–SiO2–ZrO2　glass　and　glass-ceramics　were　explored.　The　addition　of　Y2O3　improved　the　Vickers　hardness　(4.81　GPa–5.25　GPa)　and　indentation　fracture　toughness　(0.78　MPam1/2　to　0.95　MPam1/2)　of　the　glasses.　Y2O3　successfully　facilitated　the　precipitation　of　the　non-alkaline　crystalline　phase　Zr0.82Y0.18O1.91　at　low　heat-treatment　temperatures.　The　precipitation　of　Zr0.82Y0.18O1.91　nanocrystals　improves　the　Vickers　hardness　(5.17　GPa–5.56　GPa)　and　indentation　fracture　toughness　(0.90　MPam1/2　to　1.01　MPam1/2)　in　glass-ceramics,　while　concurrently　preserving　a　high　level　of　visible　light　transmittance　(∼90　%).　This　demonstrates　its　potential　applications　in　the　field　of　protective　covers　for　electronic　displays.　©　2024　Elsevier　Ltd　and　Techna　Group　S.r.l.

Keyword：

Nanocrystal Indentation fracture toughness Zr0.82Y0.18O1.91 Glass-ceramic

Author Community：

[ 1 ] [Zhao Z.]School of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 2 ] [Zhao Z.]National Engineering Research Center of FPD Glass Technology, Xianyang, 712000, China
[ 3 ] [Yin Q.]School of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 4 ] [Tian Y.]School of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 5 ] [Tian Y.]National Engineering Research Center of FPD Glass Technology, Xianyang, 712000, China
[ 6 ] [Wang Y.]School of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 7 ] [He F.]School of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 8 ] [He F.]National Engineering Research Center of FPD Glass Technology, Xianyang, 712000, China
[ 9 ] [Cao L.]School of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 10 ] [Li W.]School of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China

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Source ：

Ceramics International

ISSN： 0272-8842

Year： 2024

Issue： 17

Volume： 50

Page： 29613-29619

5 . 2 0 0

JCR@2022

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SCOPUS Cited Count： 5

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 10

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