サイアロン系複合材料の開発, 実用化 Development and Application of Composites Based on Sialon

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Effects of microstructures and additions of secondary phases in sialon ceramics on strength, fracture toughness and fatigue properties were investigated to obtain the composites based on sialon ceramics with high reliability for both rapid fracture and delayed failure. The addition of SiC particles increased the creep resistance at elevated temperature because of decreasing the amount and the thickness of intergranular glassy phase. In-situ-toughened sialon with elongated grains have high fracture toughness and high strength. On the other hand, oxide content in the intergranular phase and grain size affected slow crack growth attributable to the stress corrosion by humidity in air, and fatigue under cyclic loading was remarkably accelerated in the material with coarse grains. SiC whisker in insitu-toughened sialon improved fatigue properties at room temperature and the creep resistance without decreasing its strength and fracture toughness.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 45(4), 309-315, 1998-04-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002015345
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    4459412
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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