磁器素地の微粒子化による機械的強度の改善

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タイトル別名
  • Improvement of Mechanical Strength of Porcelain Bodies by Fine Grinding of Raw Materials
  • ジキ キジ ノ ビリュウシカ ニ ヨル キカイテキ キョウド ノ カイゼン

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The grain size distribution of raw materials and microstructure of their fired bodies indicate that the grain size of Hizen commercial raw porcelain bodies is too coarse to obtain desirable mechanical properties. The strength of fired bodies from commercial raw porcelain bodies increased with milling, and it increased further by removing grains coarser than 20μm from the milled powder. These treatments increased the mean bending strength of commercial porcelain bodies from 830kgf/cm2 to 1450kgf/cm2. The results obtained with a commercial porcelain body are in agreement with those of previous works, in which the control of size and its distribution of quartz grains governed the mechanical properties.

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