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英文:High-temperature compressive deformation of SiAlON polycrystals prepared without additives 
著者
和文: 千原 健太朗, 平塚 大祐, 多々見純一, 若井 史博, 米屋 勝利.  
英文: Kentarou Chihara, Daisuke Hiratsuka, Jyunichi Tatami, Fumihiro Wakai, Katsutoshi Komeya.  
言語 English 
掲載誌/書名
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英文:Key Engineering Materials 
巻, 号, ページ Vol. 403        pp. 117-120
出版年月 2009年1月 
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DOI https://doi.org/10.4028/www.scientific.net/KEM.403.117
アブストラクト The high-temperature deformation of dense nano-sized Ca-α SiAlON and submicronsized β-SiAlON polycrystals were investigated by compression tests. These polycrystals were fabricated from Ca-α SiAlON and β-SiAlON nano powders respectively, and contained almost no intergranular glass phase. Both SiAlONs exhibited large plastic deformations with the stress exponent n ~1 in the higher stress region, and n ~2 in the lower stress region. Shear-thickening creep (n < 1), which has been reported in liquid contained SiAlONs, was not observed.

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