Mechanical properties of nanocomposites fabricated by PECS

Seong Min Choi; Yeisuke Yagi; Sawao Honda; Tadahiro Nishikawa; Hideo Awaji

doi:10.14853/pcersj.2003S.0.162.0

Preprints of Annual Meeting of The Ceramic Society of Japan, 2003

Session ID : 1H15

DOI https://doi.org/10.14853/pcersj.2003S.0.162.0

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Host: The Ceramic Society of Japan

Mechanical properties of nanocomposites fabricated by PECS

*Seong Min Choi, Yeisuke Yagi, Sawao Honda, Tadahiro Nishikawa, Hideo Awaji

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Abstract

Al2O3/ Ni nanocomposites were sintered by PECS (Pulse Electric Current Sintering) method in a vacuum of 4.5X10-5 Torr. We were carried out annealing 800°C, 1000°C, and 1200°C. Relative densities of all samples were larger than 95% of the theoretical density. The values of fracture strength were decreased with increase annealing temperature. However, the values of fracture toughness of annealed specimens at 800°C are higher than that of without annealing specimen.

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