Evaluation of Ti_3SiC_2 Prepared by Mechanical Alloying
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概要
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The synthesis of Ti<SUB>3</SUB>SiC<SUB>2</SUB> powder by mechanical alloying (MA) from elemental Ti, Si and C powders and evaluation of some properties of the sintered compacts of the MA powder were conducted. MA was carried out by vibratory ball milling and planetary ball milling. The influence of parameters, such as running time, ball size and rotation speed on MA powder were examined. The annealing of the MA powder was done at various temperatures and holding times. The MA powders could be sintered to dense Ti<SUB>3</SUB>SiC<SUB>2</SUB>-based ceramics which contained TiC as a secondary phase. Mechanical, thermal and electrical properties of sintered compacts were evaluated. The Ti<SUB>3</SUB>SiC<SUB>2</SUB>-based compact showed low hardness, high Youngs modulus, and plastic behavior at high temperatures over 1373 K, And the compact showed high thermal expansion, high thermal conductivity, and higher electrical conductivity than other conventional ceramics.
- 社団法人 粉体粉末冶金協会の論文
- 2003-11-15
著者
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Li J‐f
Satekey Laboratory Of New Ceramics And Fine Processing Department Of Materials Science And Engineeri
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Li Jin-feng
Satekey Laboratory Of New Ceramics And Fine Processing Department Of Materials Science And Engineeri
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TAKITANI Yoshihiro
Graduate School of engineering, Tohoku University
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MATUKI Toshirou
Graduate School of engineering, Tohoku University
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WATANABE Ryuzou
Department of Materials Processing, School of Engineering, Tohoku University
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Takitani Yoshihiro
Graduate School Of Engineering Tohoku University
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Matuki Toshirou
Graduate School Of Engineering Tohoku University
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Watanabe Ryuzou
Department Of Materials Processing School Of Engineering Tohoku University