Microstructure and mechanical properties of 3Y-TZP/Al2O 3 composites fabricated by liquid phase sintering - Details

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3Y-TZP/Al2O3　composites　were　pressureless　sintered　with　the　addition　of　TiO2-MnO2　and　CaO-Al　2O3-SiO2　glass.　The　densification,　microstructure　and　mechanical　properties　of　the　composites　were　investigated.　It　was　found　that　the　composites　could　be　densified　at　a　temperature　as　low　as　1400°C　by　liquid　phase　sintering.　The　majority　of　the　grain　sizes　for　both　Al2O3　and　ZrO2　were　below　1　μm　because　of　the　lower　sintering　temperature.　A　bending　strength　of　934±28　MPa　and　fracture　toughness　of　7.82±0.19　MPam1/2　were　obtained　for　3Y-TZP/Al2O3　(20　vol%)　composite.　Transformation　toughening　is　considered　the　responsible　toughening　mechanism.　©　2005　Springer　Science　+　Business　Media,　Inc.

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[ 1 ] [Huang, X.W.]College of Materials Science and Engineering, Fuzhou University, 350002, China
[ 2 ] [Yu, J.C.]College of Materials Science and Engineering, Fuzhou University, 350002, China
[ 3 ] [Li, Q.]College of Materials Science and Engineering, Fuzhou University, 350002, China
[ 4 ] [Huang, X.D.]College of Materials Science and Engineering, Fuzhou University, 350002, China
[ 5 ] [Li, X.Q.]College of Materials Science and Engineering, Fuzhou University, 350002, China
[ 6 ] [Liu, X.L.]College of Materials Science and Engineering, Fuzhou University, 350002, China

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[Huang, X.W.]College of Materials Science and Engineering, Fuzhou University, Fuzhou 350002, China

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Journal of Materials Science

ISSN： 0022-2461

Year： 2005

Issue： 7

Volume： 40

Page： 1693-1697

0 . 9 0 1

JCR@2005

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JCR@2023

JCR Journal Grade：2

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SCOPUS Cited Count： 4

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