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首页> 外文期刊>ACS applied materials & interfaces >Carbon Nanotubes Grown on Graphite Films as Effective Interface Enhancement for an Aluminum Matrix Laminated Composite in Thermal Management Applications
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Carbon Nanotubes Grown on Graphite Films as Effective Interface Enhancement for an Aluminum Matrix Laminated Composite in Thermal Management Applications

机译:在石墨膜上生长的碳纳米管作为热管理应用中的铝基质层压复合材料的有效界面增强

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摘要

Uniform and dense carbon nanotubes (CNTs) were grown on the surface of the graphite film (GF) by a plasma enhanced chemical vapor deposition process. The synthesized CNTs can act as a bridge between GF and Al matrix to enhance the interface performance and improve thermal properties of the GF/Al laminated composite simultaneously. A layer-by-layer CNTs GF/Al composite with both increased mechanical property and thermal management capability was fabricated through an optimized pressure infiltration process, which was time- and energy-saving. The results show that the interface of the laminated composite is well bonded and no interface product such as Al4C3 is generated. Additional investigations reveal that the growth of CNTs is an effective way to improve the thermal conductivity and reduce the coefficient of thermal expansion of the GF reinforced Al composites. Overall, the best-performing CNTs GF/Al composites with a CNTs GF volume fraction of 51.42% show an increase of 47.99% in thermal conductivity and 26.44% in interlaminar shear strength, making them promising thermal management laminated materials.
机译:通过等离子体增强的化学气相沉积工艺在石墨膜(GF)的表面上生长均匀和致密的碳纳米管(CNT)。合成的CNT可作为GF和Al基质之间的桥接,以同时增强界面性能并改善GF / Al层压复合材料的热性能。通过优化的压力渗透过程制造逐层CNTS GF / Al复合材料,通过优化的压力渗透过程制造,这是时间和节能的。结果表明,层压复合材料的界面是良好的粘合,没有产生诸如AL 4C3的界面产品。额外的调查表明,CNT的生长是提高导热系数的有效方法,并降低GF增强Al复合材料的热膨胀系数。总的来说,具有CNTS GF体积分数的最佳性CNTS GF / Al复合材料51.42%,在导热率下增加47.99%,层间剪切强度为26.44%,使得热管理层压材料具有前景。

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