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首页> 外文期刊>Journal of Materials Engineering and Performance >High-Temperature Thermal Conductivity of Ceramic Fibers
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High-Temperature Thermal Conductivity of Ceramic Fibers

机译：陶瓷纤维的高温导热系数

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摘要

The ceramic fibers VK-60, ABK, and VK-80 produced by steam blowing and nozzle dissemination methods have been investigated for the effect of nonfibrous material content, pressure, and temperature on the thermal conductivity at ambient and higher temperatures. It was noticed that with an increase in the insulation properties improved. The VK-80 fibers have the lowest and the VK-60 fibers the highest value of thermal conductivity at ambient temperature. At ambient temperature, the value of thermal conductivity increased with an increase in pressure for all analyzed fibers. ABK fibers showed the least increase and VK-80registered an increase of about 10 percent in the values of thermal conductivity for pressures ranging from 0.6 to 6.6 kN/~2. However, beyond a pressure of 6.6kN/m~2, the thermal conductivity of all samples increased. To assess the insulation properties of investigated fibers, the thermal conductivity was measured that all three types of fibers have a good potential for future applications, showing good performance in the investigated temperature
机译：已经研究了通过蒸汽吹送和喷嘴扩散方法生产的陶瓷纤维VK-60，ABK和VK-80，以了解非纤维材料含量，压力和温度对环境温度和更高温度下的热导率的影响。注意到随着绝缘性能的提高而改善。在环境温度下，VK-80纤维的导热系数最低，而VK-60纤维的导热系数最高。在环境温度下，所有分析纤维的热导率值都随压力的增加而增加。在压力范围为0.6至6.6 kN /〜2的情况下，ABK纤维的热导率值增加最少，而VK-80的增加率约为10％。但是，超过6.6kN / m〜2的压力，所有样品的热导率均增加。为了评估所研究的纤维的绝缘性能，对导热系数进行了测量，发现所有三种类型的纤维都具有潜在的未来应用潜力，在所研究的温度下表现出良好的性能。

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