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Mechanical characterization of cellular ceramics

机译：多孔陶瓷的机械特性

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摘要

Polymeric sponge replication technique has been widely used to obtain ceramic foams with a cellular structure for filtration applications. This process is based on an impregnation of a polymeric sponge with ceramic slurry. Ceramic filters must present simultaneously high permeability and strength. However, these parameters are influenced in different ways by the processing method and these properties are inversely proportional. In this work the mechanical properties by compression and flexural has been evaluated for 10 and 40 ppi (pores per linear inch) Al_2O_3-ZrO_2 filter materials. Characterization included mechanical properties, crystalline identification as well as the microstructural analyses of the fracture surface.
机译：聚合海绵复制技术已被广泛用于获得具有多孔结构的陶瓷泡沫，以用于过滤应用。该方法是基于用陶瓷浆料浸渍聚合物海绵。陶瓷过滤器必须同时具有高渗透性和强度。但是，这些参数会受到处理方法的不同影响，并且这些属性成反比。在这项工作中，对10和40 ppi（每线性英寸的孔数）Al_2O_3-ZrO_2过滤材料的压缩和弯曲机械性能进行了评估。表征包括机械性能，晶体鉴定以及断裂表面的微观结构分析。

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  • 来源
    《Materials Science and Engineering》 |2009年第2009期|340-343|共4页
  • 作者

    W. Acchar; F.B.M. Souza; E.G. Ramalho; W.L.Torquato;

  • 作者单位

    Pos-graduation Program of Mechanical Engineering, Federal University of Rio Grande do None, Natal, RN, Brazil Pos-graduation Program of Science and Materials Engineering Federal University of Rio Grande do None, Natal, RN, Brazil;

    Pos-graduation Program of Mechanical Engineering, Federal University of Rio Grande do None, Natal, RN, Brazil;

    Pos-graduation Program of Science and Materials Engineering Federal University of Rio Grande do None, Natal, RN, Brazil;

    Pos-graduation Program of Science and Materials Engineering Federal University of Rio Grande do None, Natal, RN, Brazil;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    ceramic filters; microstructure; mechanical properties;

    机译：陶瓷过滤器;微观结构机械性能;

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