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首页> 外文期刊>Materials Science and Engineering >The mechanical and thermal insulating properties of resin-derived carbon foams reinforced by K_2Ti_6O_(13) whiskers
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The mechanical and thermal insulating properties of resin-derived carbon foams reinforced by K_2Ti_6O_(13) whiskers

机译：K_2Ti_6O_（13）晶须增强的树脂衍生碳泡沫的机械和隔热性能

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摘要

Reinforced carbon foam materials were produced with phenolic resole resin as precursor and K_2Ti_6O_(13) whiskers as additives. Effects of the content of whiskers on microstructure, compressive strength and thermal properties of carbon foams were investigated. The results showed that the carbon foams had a spherical and closed cell structure, and the distribution of cells was relatively uniform. The specimens with less than 4 wt% K_2Ti_6O_(13) whiskers exhibited a higher compressive strength than neat foams. When the content exceeded 4wt%, the irregular openings on the cell walls revealed in microstructure images led to decrease in compressive strength. The thermal conductivity went down with increasing the content of whiskers as expected, which ranged from 0.24 to 0.40 Wm~(-1)K~(-1) at room temperature.
机译：以酚醛甲阶酚醛树脂为前体，以K_2Ti_6O_（13）晶须为添加剂生产增强碳泡沫材料。研究了晶须含量对碳泡沫的微观结构，抗压强度和热性能的影响。结果表明，碳泡沫具有球形和闭孔结构，孔的分布相对均匀。少于4 wt％的K_2Ti_6O_（13）晶须的样品显示出比纯泡沫更高的抗压强度。当含量超过4wt％时，在微结构图像中显示出的细胞壁上的不规则开口导致抗压强度降低。导热系数随晶须含量的增加而下降，在室温下为0.24至0.40 Wm〜（-1）K〜（-1）。

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  • 来源
    《Materials Science and Engineering》 |2011年第5期|p.2023-2027|共5页
  • 作者

    Ruiying Luo; Yongfeng Ni; Jinsong Li; Caili Yang; Shaobo Wang;

  • 作者单位

    School of Physics and Nuclear Energy Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, PR China;

    School of Physics and Nuclear Energy Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, PR China;

    School of Physics and Nuclear Energy Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, PR China;

    School of Physics and Nuclear Energy Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, PR China;

    School of Physics and Nuclear Energy Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, PR China;

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  • 正文语种 eng
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  • 关键词

    carbon foam k_2ti_6o_(13) whisker mechanical properties microstructure thermal insulating properties;

    机译：碳泡沫k_2ti_6o_（13）晶须力学性能显微组织隔热性能;

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