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首页> 外文会议>High temperature ceramic matrix compositei III >Fiber Reinforced Porous Alumina Substrate Consisting of Layer with Distinct Grain Sizes
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Fiber Reinforced Porous Alumina Substrate Consisting of Layer with Distinct Grain Sizes

机译：纤维增强的多孔氧化铝基体，由不同粒度的层组成

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摘要

The microstructure of the substrate for gas separation at high temperatures was designed and fabricated. The designed substrate is composed of three layers. The base layer was alumina reinforced with chopped-fibers of alumina which were unidirectionally oriented to increase the strain to failure. The intermediate layer and the top layer had graded pore size from the substrate through the membrane. The base layer was fabricated by the extrusion of powder and chopped-fiber of alumina. The strain to failure was improved from 1.27×10~(-3) with no fiber to 2.67×10~(-3) at the volume fraction of 70 %. The intermediate layer composed of thin three layers with a different pore size was formed on the substrate by slurry-dipping process. The three types of powders with a different particle size were used to control the pore size of each layer. The mean pore size of the substrate was graded from 0.55 μm to 0.16 μm.
机译：设计并制造了用于高温气体分离的基材的微观结构。设计的基板由三层组成。基层是用短切的氧化铝纤维增强的氧化铝，这些纤维是单向取向的，以增加破坏的应变。从基材到膜，中间层和顶层具有渐变的孔径。通过挤压粉末和氧化铝切碎的纤维来制造基层。失效应变从无纤维的1.27×10〜（-3）提高到体积分数为70％的2.67×10〜（-3）。通过浆料浸渍法在基板上形成由具有不同孔径的三层薄层组成的中间层。具有不同粒径的三种类型的粉末用于控制每一层的孔径。基材的平均孔径分级为0.55μm至0.16μm。

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  • 来源
  • 会议地点 Osaka(JP);Osaka(JP);Osaka(JP);Osaka(JP)
  • 作者

    M. Nagayama; Y. Shigegaki; A. Oka; T. Sugita; K. Miyahara; T. Sasa;

  • 作者单位

    Research Institute, Ishikawajima-Harima Heavy Industries Co., Ltd., 1-15, 3-chome, Toyosu, Koto-ku, Tokyo 135-8732, Japan;

    Research Institute, Ishikawajima-Harima Heavy Industries Co., Ltd., 1-15, 3-chome, Toyosu, Koto-ku, Tokyo 135-8732, Japan;

    Research Institute, Ishikawajima-Harima Heavy Industries Co., Ltd., 1-15, 3-chome, Toyosu, Koto-ku, Tokyo 135-8732, Japan;

    Research Institute, Ishikawajima-Harima Heavy Industries Co., Ltd., 1-15, 3-chome, Toyosu, Koto-ku, Tokyo 135-8732, Japan;

    Research Institute, Ishikawajima-Harima Heavy Industries Co., Ltd., 1-15, 3-chome, Toyosu, Koto-ku, Tokyo 135-8732, Japan;

    Research Institute, Ishikawajima-Harima Heavy Industries Co., Ltd., 1-15, 3-chome, Toyosu, Koto-ku, Tokyo 135-8732, Japan;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 TQ174.58;
  • 关键词

    porous alumina; chopped-fiber; strain to failure; porosity; substrate;

    机译：多孔氧化铝短切纤维应变失败；孔隙率基质;

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