溶融Agによる固体酸化物の濡れ性に及ぼす溶解酸素の影響

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タイトル別名
  • Effect of Soluble Oxygen on the Wettability of Solid Oxides by Liquid Silver
  • ヨウユウ Ag ニ ヨル コタイ サンカブツ ノ ヌレセイ ニ オヨボス ヨウ

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抄録

The surface tensions of liquid Ag-O alloys and the contact angles between liquid Ag-O alloys and solid oxides were measured in Ar+O2 mixture at 1273 K by the sessile drop method. Poly-crystalline alumina, single-crystal alumina and fused quartz were used as the solid oxides. Oxygen is highly surface active and the maximum surface excess of oxygen is 5.8×10−6 mol·m−2. The wettability of polycrystalline alumina, single-crystal alumina and fused quartz byl iquid Ag-O alloys increased with increasing oxygen partial pressure. In the case of fused quartz which was most strongly wetted by liquid Ag-O alloys in high oxygen partial pressure, a reacted layer was observed in the interface. In this layer, metallic Ag particles less than 0.5 μm in size dispersed.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 49 (7), 523-528, 1985

    公益社団法人 日本金属学会

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