オーリチィックの走査電子顕微鏡観察及び吸水率計算

書誌事項

タイトル別名
  • Observation of Oolitics with Scanning Electron Microscope and Calculation of Water Absorption Percentage.
  • オーリチィック ノ ソウサ デンシ ケンビキョウ カンサツ オヨビ キュウスイ

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説明

  The water absorption percentage of oolitics sand, which was made by the changing green sand binder and burning temperature, was measured. Bentonite was added to the oolitics sand to make the green sand, and then water absorption percentage was calculated from the relation between the green sand with bentonite and compactability. The oolitics formation was also observed by SEM to investigate the mechanism of water absorption. The results showed that oolitics is formed from thin layers and microporosity which change when the condition of green sand binder and burning temperature are changed. Water absorption was found to occur mainly between the thin layers. As the thin layers closed, the water absorption percentage dropped.

収録刊行物

  • 鋳造工学

    鋳造工学 70 (8), 543-549, 1998

    公益社団法人 日本鋳造工学会

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