Low-temperature fabrication of zirconia transparent ceramics via hydrothermal nanopowder - Details

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Abstract：

Highly　sinterable　nanopowder　of　8　mol%　yttria-stabilized　cubic　zirconia　(8YSZ)　was　synthesized　via　a　hydrothermal　homogeneous　precipitation　(HHP)　method.　The　nanopowder　with　an　average　particle　size　of　26　nm,　exhibits　good　dispersibility,　narrow　particle　size　distribution　and　high　purity,　making　it　ideal　raw　material　for　preparing　transparent　ceramics.　Utilizing　spark　plasma　sintering　(SPS)　under　mild　conditions　(1200–1350　°C,　80　MPa,　10　min)　in　contrast　to　hot　isostatic　pressing　(HIP),　cubic　zirconia　ceramics　with　favorable　optical　and　mechanical　properties　were　produced.　The　sample　sintered　at　1250　°C　achieved　the　highest　transmittance　of　74　%@850　nm,　significantly　surpassing　the　performance　of　samples　prepared　from　two　other　commercial　8YSZ　powders.　Furthermore,　the　specimen　sintered　at　1200　°C　with　a　dense　fine　microstructure　(relative　density:　99.51　%,　grain　size:　460　nm),　demonstrated　the　highest　hardness　and　fracture　toughness,　reaching　15.72　GPa　and　1.28　MPa　m1/2,　respectively.　©　2024

Keyword：

Hydrothermal homogeneous precipitation Spark plasma sintering Transparent ceramics Y2O3-Stabilized ZrO2

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[ 1 ] [Zhou D.]College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 2 ] [Zhou D.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 3 ] [Zhou D.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 4 ] [Ding C.]College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 5 ] [Ding C.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 6 ] [Ding C.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 7 ] [Han W.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 8 ] [Han W.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 9 ] [Li H.]College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 10 ] [Li H.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 11 ] [Li H.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 12 ] [Zhang H.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, China
[ 13 ] [Zhang H.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 14 ] [Xu W.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, China
[ 15 ] [Xu W.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 16 ] [Zhou Y.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, China
[ 17 ] [Zhou Y.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China

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Source ：

Ceramics International

ISSN： 0272-8842

Year： 2024

Issue： 23

Volume： 50

Page： 49210-49216

5 . 1 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 1

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