Effect of Grain Size on Strength and Fracture Toughness in Alumina
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概要
- 論文の詳細を見る
Three-point bending and fracture toughness tests of alumina specimens with various grain sizes were carried out to investigate the effects of grain size on bending strength and fracture toughness. The bending strength increased with decreasing grain size. The intrinsic fracture toughness, which can be obtained by the CSF method, is independent of grain size. On the other hand, the apparent fracture toughness with slow crack growth increased with increasing grain size due to the R-curve behavior, which was found for materials with coarse grains in the BI, FP and CN specimens.
- 一般社団法人日本機械学会の論文
- 1994-07-15
著者
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Mutoh Yoshiharu
Nagaoka University of Technology
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UEMATSU Keizo
Nagaoka University of Technology
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UEMATSU Keizo
Department of Chemistry, Nagaoka University of Technology
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Mutoh Yoshiharu
Nagaoka Univ. Of Tech.
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Uematsu K
Dep. Of Materials Sci. And Technol. Nagaoka Univ. Of Technol.
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Miyahara Nobuyuki
Graduate School, Nagaoka University of Technology
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Yamaishi Kohei
Isuzu Ceramics Research Inst. Co.
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Inoue Makoto
Nagaoka University of Technology
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Miyahara Nobuyuki
Graduate School Nagaoka University Of Technology
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