Preparation of Porous La(Sr)Ti(Fe)O<sub>3</sub> Perovskite Oxide Tube by Filament-Winding Method

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  • フィラメントワインディング（FW）法を用いるLa（Sr）Ti（Fe）O<sub>3</sub>ペロブスカイト型酸化物多孔質円筒管の作製
  • フィラメントワインディング(FW)法を用いるLa(Sr)Ti(Fe)O3ペロブスカイト型酸化物多孔質円筒管の作製
  • フィラメントワインディング FW ホウ オ モチイル La Sr Ti Fe O3 ペロブスカイトガタ サンカブツ タコウシツ エントウカン ノ サクセイ
  • Preparation of Porous La(Sr)Ti(Fe)O3 Perovskite Oxide Tube by Filament-Winding Method

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Description

Porous ceramic tubes consisting of La0.7Sr0.3Ti0.7Fe0.3O3 (LSTF) perovskite oxide was investigated in this study by using Filament-Winding (FW) method. When methacrylic acid with molecular weight of 50000 was used for organic binder, LSTF fiber with 0.5 mm in diameter and 15 m in length can be obtained by extrusion method. Although the mechanical strength of the obtained LSTF fiber was lower than that of the polymer fiber used for FW method, the obtained LSTF fiber showed reasonably large strength and expand ratio. As a result, LSTF porous tube can be obtained by FW method and calcination at 1673 K. Comparing with the porous tube prepared by a conventional sintering method, it was found that the obtained LSTF tube showed much larger porosity (ca. 80%) and large air permeation rate.

Journal

  • Electrochemistry

    Electrochemistry 79 (4), 252-255, 2011

    The Electrochemical Society of Japan

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