单壁碳纳米管含量对聚氨酯纳米复合材料性能的影响

IF 1.6 Q4 ENGINEERING, MANUFACTURING Manufacturing Technology Pub Date : 2023-11-14 DOI:10.21062/mft.2023.079
Dana Bakošová, Alžbeta Bakošová
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引用次数: 0

摘要

本研究旨在研究单壁碳纳米管(SWCNT)含量对聚氨酯(PU)纳米复合材料力学性能的影响。swcnts含量从0 wt%(参考样品)到2 wt%不等。进行了拉伸、硬度和夏比冲击试验以及动态力学分析(DMA)。根据测试结果,单壁碳纳米管含量的增加导致材料强度和刚度的显著提高。此外,利用原子力显微镜(AFM)对样品的微表面形貌进行了检测,并获得了光谱曲线,以此评价了样品的局部弹性。总体而言,所进行的测量表明,将SWCNTs掺入PU基体使所得纳米复合材料更坚硬,更耐变形。研究结果强调了SWCNTs作为聚氨酯基纳米复合材料的有效增强材料的潜力。
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The Effect of Single-Wall Carbon Nanotubes Content on the Properties of Polyurethane Nanocomposite
This study aimed to investigate the influence of single-wall carbon nanotube (SWCNT) content on the mechanical properties of polyurethane (PU) nanocomposites. The SWCNT content varied from 0 wt% (reference sample) to 2 wt%. Tensile, hardness and Charpy impact tests as well as dynamic me-chanical analysis (DMA) were performed. Based on the test results it was observed that an increase in the content of single-wall carbon nanotubes resulted in significant improvements in material strength and stiffness. Furthermore, atomic force microscopy (AFM) was used to examine microsurface to-pography of the samples and to obtain spectroscopic curves, based on which local elasticity was eval-uated. Overall, performed measurements indicate that the incorporation of SWCNTs into PU matrix makes resultant nanocomposite stiffer and more resistant to deformation. The results highlight the potential of SWCNTs as effective reinforcement of polyurethane-based nanocomposites.
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来源期刊
Manufacturing Technology
Manufacturing Technology Engineering-Industrial and Manufacturing Engineering
CiteScore
2.10
自引率
44.40%
发文量
65
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