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<p>To effectively enhance the out-of-plane bearing capacity of the rubber honeycomb skeleton, a nanofluidic system is filled into the honeycomb cells. The resulting elastic material, termed honeycomb skeleton filled with nanofluidic system (nanofluidic-filled honeycomb composites), combines the advantages of both the honeycomb skeleton and the nanofluidic system, demonstrating broad prospects for engineering applications. To study the out-of-plane bearing performance of the nanofluidic-filled honeycomb composites, a finite element model of the nanofluidic-filled honeycomb composites was established based on the crushable foam model. By changing the wall thickness, edge length and height of the rubber honeycomb cytoskeleton, as well as the critical osmotic pressure and permeable volume of the nanofluidic system, the research investigates the variation pattern of the average contact stress on the upper surface during the out-of-plane compression of the nanofluidic-filled honeycomb composites. The results show that the nanofluidic system is the main influence factor on the bearing performance of nanofluidic-filled honeycomb composites, and the rubber honeycomb skeleton mainly plays the role of encapsulating and supporting the nanofluidic system and reinforcing. The higher the critical osmotic pressure of the nanofluidic system and the larger the permeable volume, the stronger the compressive capacity of nanofluidic-filled honeycomb composites, with the maximum improvement reaching 85.7%. With the increase of cell wall thickness, side length, and height, the compressive properties of nanofluidic-filled honeycomb composites are improved to some extent, with the maximum average contact stress in the platform region showing an improvement of up to 57.6% compared with the nanofluidic system alone, although the average stress increment in the platform region is limited to a maximum of 35.3%. The rubber honeycomb skeleton can effectively reinforce the characteristics of the nanofluidic system and make the nanofluidic-filled honeycomb composites have stronger bearing performance in the late stage of the platform area.</p>

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Out-of-Plane Bearing Capacity of Nanofluidic-Filled Honeycomb Composites: A Combined Finite Element and Parametric Study

  • 期刊论文

  • 发表日期：

    2025年11月11日

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  • Jing-wei Liang,
  • Ya-fei Zhang,
  • Chang-jiang Han,
  • Yi-hua Dou

摘要

To effectively enhance the out-of-plane bearing capacity of the rubber honeycomb skeleton, a nanofluidic system is filled into the honeycomb cells. The resulting elastic material, termed honeycomb skeleton filled with nanofluidic system (nanofluidic-filled honeycomb composites), combines the advantages of both the honeycomb skeleton and the nanofluidic system, demonstrating broad prospects for engineering applications. To study the out-of-plane bearing performance of the nanofluidic-filled honeycomb composites, a finite element model of the nanofluidic-filled honeycomb composites was established based on the crushable foam model. By changing the wall thickness, edge length and height of the rubber honeycomb cytoskeleton, as well as the critical osmotic pressure and permeable volume of the nanofluidic system, the research investigates the variation pattern of the average contact stress on the upper surface during the out-of-plane compression of the nanofluidic-filled honeycomb composites. The results show that the nanofluidic system is the main influence factor on the bearing performance of nanofluidic-filled honeycomb composites, and the rubber honeycomb skeleton mainly plays the role of encapsulating and supporting the nanofluidic system and reinforcing. The higher the critical osmotic pressure of the nanofluidic system and the larger the permeable volume, the stronger the compressive capacity of nanofluidic-filled honeycomb composites, with the maximum improvement reaching 85.7%. With the increase of cell wall thickness, side length, and height, the compressive properties of nanofluidic-filled honeycomb composites are improved to some extent, with the maximum average contact stress in the platform region showing an improvement of up to 57.6% compared with the nanofluidic system alone, although the average stress increment in the platform region is limited to a maximum of 35.3%. The rubber honeycomb skeleton can effectively reinforce the characteristics of the nanofluidic system and make the nanofluidic-filled honeycomb composites have stronger bearing performance in the late stage of the platform area.