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首页> 外文期刊>Journal of the Korean Ceramic Society >Effect of the processing conditions of reticulated porous alumina on the compressive strength
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Effect of the processing conditions of reticulated porous alumina on the compressive strength

机译：网状的处理条件的影响多孔氧化铝的抗压强度

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摘要

Reticulated porous ceramics feature a three-dimensional network structure with high porosity and permeability simultaneously. However, generally, the compressive strength capabilities of reticulated porous ceramics are low, which severely limits applications of these materials. To increase the compressive strength of reticulated porous ceramics, it is necessary to coat the strut walls of the polyurethane foam completely with alumina slurry to form a thin ceramic coating layer after optimizing the processing conditions, specifically the alumina slurry composition and the coating condition. Although it remains challenging to improve the compressive strength of reticulated porous ceramics, thus far efforts to do so are underreported. Therefore, in this study, we attempt to optimize the composition (thickener, dispersant, and binder) of the alumina slurry. Among various types of reticulated porous ceramics, we focus on reticulated porous alumina here. Although there are numerous studies regarding porous alumina, which is already widely used, investigations of reticulated porous alumina are rare. In this study, we determined the optimized processing conditions to improve the compressive strength of reticulated porous alumina. These conditions, specifically the composition of the alumina slurry and the pore density of the polyurethane foam, are discussed.
机译：网状多孔陶瓷的特性高的三维网络结构同时孔隙度和渗透率。然而,一般来说,抗压强度网状多孔陶瓷的能力低,这严重限制了应用程序的这些材料。网状多孔陶瓷,它是必要的外套的支撑墙聚氨酯泡沫与铝浆完全形成一个薄优化后陶瓷涂料层处理条件下,特别是氧化铝浆成分和涂层条件。虽然它仍然是具有挑战性的改善抗压强度的网状多孔陶瓷、迄今为止努力这样做低估了。试图优化组合(增稠剂,铝浆的分散剂和粘结剂)。在各种类型的网状多孔陶瓷,我们专注于网状多孔氧化铝在这里。关于多孔氧化铝,已广泛使用,网状多孔的调查氧化铝是罕见的。优化的工艺条件改善网状多孔的抗压强度氧化铝。铝浆的组成和孔隙聚氨酯泡沫塑料的密度,进行了讨论。

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