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用于轻型智能结构的CNT注入的生物基混合复合材料的性能和决策框架
Santosh Kumar1, Vijay Kumar Mahakur2, Durgesh Kumar Mishra3
1Department of Mechanical Engineering, COEP Technological University, Pune, 411005, Maharashtra, India. kumars.mech@coeptech.ac.in.
Scientific reports
|February 12, 2026
概括
这项研究通过向香-纤维添加碳纳米管 (CNTs) 来增强可持续的混合复合材料. 最佳3%的CNT输液显著提高了高级结构应用的强度,刚性和抗冲击性.
科学领域:
- 材料科学与工程 材料科学与工程
- 纳米技术 纳米技术
- 复合材料 复合材料 复合材料
背景情况:
- 可持续的生物基复合材料为环境带来了好处,但缺乏足够的强度和刚性,以适应承重应用.
- 碳纳米管 (CNTs) 显示出由于其优越的特性,有可能增强复合材料的机械性能.
- 自然纤维与纳米材料的混合化是克服生物基复合材料局限性的有希望的策略.
研究的目的:
- 通过将不同百分比的CNT (0-6%) 纳入香-层纤维,开发轻量级的可持续混合复合材料.
- 研究CNT对混合复合材料的机械性能,接口粘附和结构完整性的影响.
- 为了确定最佳的CNT度和纤维堆叠安排,以提高性能.
主要方法:
- 混合复合材料的制造,使用不同堆叠序列的香和纤维,注入纳米级的CNTs.
- 使用X射线衍射 (XRD),里埃变换红外光谱 (FTIR),传输电子显微镜 (TEM) 和场辐射扫描电子显微镜 (FESEM) 的表征.
- 机械测试包括拉力,曲,界面剪切和冲击强度评估;非破坏性测试 (C扫描,超声波).
主要成果:
- CNTs表现出良好的结晶性和均分散,球形纳米粒子增强了与环氧基质的界面粘附.
- 使用3%CNT注入的复合材料 (BPBP和BBPP) 显示出最大的拉力 (229.94MPa),曲 (190.78MPa),剪切 (41.51MPa) 和冲击强度 (52.39kJ/m2).
- 与非混合复合材料相比,观察到机械性能显著改善,CNT有效控制损坏和分层.
结论:
- 将3%的CNT纳入香-杂交复合材料可以显著提高机械性能和能量吸收能力.
- 该研究验证了CNT作为有效的纳米填充剂来提高可持续复合材料的结构完整性和承载能力.
- 基于Schweizer-Sklar技术的模糊策略被用来选择最佳的混合复合材料配置.
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