Microstructure control and mechanical properties of fibrous Al2O3/ZrO2 composites fabricated by extrusion process

Fibrous Al2O3/ZrO2 composites were newly fabricated using an extrusion process, and the relationship between the microstructure and mechanical properties was investigated. The density, hardness, bending strength and fracture toughness increased as the number of extrusion passes increased, and the hi...

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Bibliographic Details
Published inScripta materialia Vol. 52; no. 8; pp. 725 - 729
Main Authors KIM, Taek-Soo, GOTO, Takashi, LEE, Byong-Taek
Format Journal Article
LanguageEnglish
Published New York, NY Elsevier Science 01.04.2005
Subjects
Applied sciences
Cross-disciplinary physics: materials science; rheology
Exact sciences and technology
Materials science
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Physics
Solidification
Al2O3-ZrO2 composites
Extrusions
Zirconium oxide
Fibre reinforced metal
Mechanical properties
Forming
Fracture surface
Microstructure control
Spinning
Microstructure
Alumina
Composite material
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Summary:Fibrous Al2O3/ZrO2 composites were newly fabricated using an extrusion process, and the relationship between the microstructure and mechanical properties was investigated. The density, hardness, bending strength and fracture toughness increased as the number of extrusion passes increased, and the highest values attained were 98.5%, 12 GPa, 564 MPa and 6.3 MPa m1/2, respectively.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2004.12.022