Al<SUB>2</SUB>O<SUB>3</SUB>-SiO<SUB>2</SUB> 系れんがへの溶融FeO-SiO<SUB>2</SUB>

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タイトル別名
  • Wetting Behavior of Molten FeO-SiO<SUB>2</SUB> Slag to Al<SUB>2</SUB>O<SUB>3</SUB>-SiO<SUB>2</SUB> Refractories
  • Al2O3-SiO2系れんがへの溶融FeO-SiO2スラグの濡れ挙動
  • Al2O3 SiO2ケイ レンガ ヘ ノ ヨウユウ FeO SiO2 スラグ

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抄録

For the quantitative analysis on the infiltration of molten slag into pores in refractories, the wettability of an FeO-SiO2 slag was studied for Al2O3-SiO2 bricks and dense refractory plates by the sessile drop method in consideration of surface roughness on the samples. The results have been phenomenologically discussed together with those previously obtained in refractory capillarles. The conclusions are;<BR>(1) The contact angle is dependent on the ratio of the slag drop height to the width. As this ratio became smaller, the contact angle observed approached the value calculated on the presumption of the slag drop shape being a part of a sphere.<BR>(2) The time-dependency of the contact angles is intermediate on the refractory bricks between the typlcal ones on both the dense alumina and mullite refractories. The behavlor is correlative to the quantitative fractions of the minerals which the bricks are composed of.

収録刊行物

  • 鉄と鋼

    鉄と鋼 73 (3), 484-490, 1987

    一般社団法人 日本鉄鋼協会

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