Mechanical and magnetic properties of alumina/nickel nanocomposites prepared by pulse electric current sintering

Bum Sung Kim; Tohru Sekino; Tadachika Nakayama; Takafumi Kusunose; Jai Sung Lee; Koichi Niihara

doi:10.2109/jcersj.111.457

Mechanical and magnetic properties of alumina/nickel nanocomposites prepared by pulse electric current sintering

Bum Sung Kim, Tohru Sekino, Tadachika Nakayama, Takafumi Kusunose, Jai Sung Lee, Koichi Niihara

Institute of Multidisciplinary Research for Advanced Materials (IMRAM)

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Al₂O₃/5 vol%Ni nanocomposite materials were fabricated by pulse electric current sintering (PECS) to achieve suitable microstructures. Their mechanical and magnetic properties were investigated and related to microstructure developments. Rapid densification of nanocomposites and various microstructures was accomplished by controlling PECS temperatures. Microstructures affected mechanical properties such as fracture strength, fracture toughness and hardness. Mechanical properties of Al₂O₃ were improved by Ni; fine dispersion into Al₂O₃ matrix improves changes in various ferromagnetic properties.

Original language	English
Pages (from-to)	457-460
Number of pages	4
Journal	Journal of the Ceramic Society of Japan
Volume	111
Issue number	1295
DOIs	https://doi.org/10.2109/jcersj.111.457
Publication status	Published - 2003 Jul

Keywords

Alumina
Magnetic property
Mechanical property
Nanocomposite
Nickel
PECS

ASJC Scopus subject areas

Ceramics and Composites
Chemistry(all)
Condensed Matter Physics
Materials Chemistry

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10.2109/jcersj.111.457

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abstract = "Al2O3/5 vol%Ni nanocomposite materials were fabricated by pulse electric current sintering (PECS) to achieve suitable microstructures. Their mechanical and magnetic properties were investigated and related to microstructure developments. Rapid densification of nanocomposites and various microstructures was accomplished by controlling PECS temperatures. Microstructures affected mechanical properties such as fracture strength, fracture toughness and hardness. Mechanical properties of Al2O3 were improved by Ni; fine dispersion into Al2O3 matrix improves changes in various ferromagnetic properties.",

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AU - Kim, Bum Sung

AU - Sekino, Tohru

AU - Nakayama, Tadachika

AU - Kusunose, Takafumi

AU - Lee, Jai Sung

AU - Niihara, Koichi

PY - 2003/7

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N2 - Al2O3/5 vol%Ni nanocomposite materials were fabricated by pulse electric current sintering (PECS) to achieve suitable microstructures. Their mechanical and magnetic properties were investigated and related to microstructure developments. Rapid densification of nanocomposites and various microstructures was accomplished by controlling PECS temperatures. Microstructures affected mechanical properties such as fracture strength, fracture toughness and hardness. Mechanical properties of Al2O3 were improved by Ni; fine dispersion into Al2O3 matrix improves changes in various ferromagnetic properties.

AB - Al2O3/5 vol%Ni nanocomposite materials were fabricated by pulse electric current sintering (PECS) to achieve suitable microstructures. Their mechanical and magnetic properties were investigated and related to microstructure developments. Rapid densification of nanocomposites and various microstructures was accomplished by controlling PECS temperatures. Microstructures affected mechanical properties such as fracture strength, fracture toughness and hardness. Mechanical properties of Al2O3 were improved by Ni; fine dispersion into Al2O3 matrix improves changes in various ferromagnetic properties.

KW - Alumina

KW - Magnetic property

KW - Mechanical property

KW - Nanocomposite

KW - Nickel

KW - PECS

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JO - Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan

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Mechanical and magnetic properties of alumina/nickel nanocomposites prepared by pulse electric current sintering

Abstract

Keywords

ASJC Scopus subject areas

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