具有木材结构Al/C、Al/(SiC+C)复合材料的制备及热学性能

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该研究以柳桉木材结构为模板,通过对木材的碳化、硅树脂的浸渍与反应、铝合金的浸渍处理,制备了具有木材结构的Al/C、Al/(SiC+C)两种复合材料,并对复合材料的微观结构、热膨胀性能及导热性能进行了研究。结果表明:该复合材料保持了所选木材的天然结构特征,并且其热膨胀系数明显低于铝合金,导热系数远高于由木材转化的多孔碳。 In this study, the wood structure of Euonymus japonicus was used as a template to fabricate Al / C and Al / (SiC + C) composites with wood structure through carbonization of wood, impregnation and reaction of silicon resin and impregnation treatment with aluminum alloy , And the microstructure, thermal expansion and thermal conductivity of the composites were studied. The results show that the composite material maintains the natural structural characteristics of the selected wood, and its thermal expansion coefficient is significantly lower than the aluminum alloy, the thermal conductivity is much higher than the porous carbon converted from wood.
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