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<p>This research investigates the design, fabrication, and characterization of composite sandwich panels featuring advanced hybrid face sheets composed of Carbon Nanotubes (CNTs) and Shape Memory Alloy (SMA) wires were fabricated in the compression moulding method. The objective is to enhance structural performance, particularly stiffness, energy absorption, and shape recovery, while maintaining low weight. The synergistic integration of CNTs for high tensile strength and SMAs for Enhanced mechanical response forms the core innovation of this work. Stainless steel (SS) face sheets are incorporated solely as a comparative benchmark to evaluate the superiority of the CNT-SMA hybrid configuration. Both Face sheets are analyzed under mechanical testing, and microscopic examination is conducted to evaluate dispersion, interface quality, and structural integrity of the CNT matrix. The results confirm that the tensile testing showed a 4.72% increase in load-bearing capacity for Face Sheet 1 compared to Face Sheet 2. Compression testing validated this, with Face Sheet 1 withstanding 2143 N versus 2078 N for Face Sheet 2 (3.13% improvement). Flexural strength also improved significantly. Microstructural analysis of Face Sheet 1 revealed reduced microvoid formation and a denser structure due to CNT integration. These results indicate that incorporating CNTs and SMA wire mesh enhances the tensile, compressive, and flexural performance of composite face sheets.</p>

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Exploring Microstructural and Mechanical Properties Enhancement of Hybrid Composites Face Sheets for Sandwich Panels

  • 期刊论文

  • 发表日期：

    2025年10月8日

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  • D. H. Pachchinavar,
  • M. Mohammed Nadeem,
  • Umamaheshwar Hebbal,
  • P. R. Venkatesh,
  • Mohammed Asif Kattimani,
  • S. P. Shanmuganatan,
  • G. R. Mohan Kumar,
  • Vijayakumar Naganna Patil,
  • G. S. Girishkumar,
  • Piyush Kumar Soni,
  • C. Hemanth Kumar,
  • C. Durga Prasad

摘要

This research investigates the design, fabrication, and characterization of composite sandwich panels featuring advanced hybrid face sheets composed of Carbon Nanotubes (CNTs) and Shape Memory Alloy (SMA) wires were fabricated in the compression moulding method. The objective is to enhance structural performance, particularly stiffness, energy absorption, and shape recovery, while maintaining low weight. The synergistic integration of CNTs for high tensile strength and SMAs for Enhanced mechanical response forms the core innovation of this work. Stainless steel (SS) face sheets are incorporated solely as a comparative benchmark to evaluate the superiority of the CNT-SMA hybrid configuration. Both Face sheets are analyzed under mechanical testing, and microscopic examination is conducted to evaluate dispersion, interface quality, and structural integrity of the CNT matrix. The results confirm that the tensile testing showed a 4.72% increase in load-bearing capacity for Face Sheet 1 compared to Face Sheet 2. Compression testing validated this, with Face Sheet 1 withstanding 2143 N versus 2078 N for Face Sheet 2 (3.13% improvement). Flexural strength also improved significantly. Microstructural analysis of Face Sheet 1 revealed reduced microvoid formation and a denser structure due to CNT integration. These results indicate that incorporating CNTs and SMA wire mesh enhances the tensile, compressive, and flexural performance of composite face sheets.