石墨烯纳米片对玻璃/环氧复合材料力学和热力学性能的影响

IF 0.6 4区 材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY
Shabberhussain Shaik, Velmurugan R
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引用次数: 0

摘要

目前的研究重点是石墨烯纳米片(GPs)对单向玻璃/环氧树脂(GE)复合材料力学和热力学性能的影响。GE和GP-GE复合材料的制备采用手铺法,然后压缩成型。在制造GP-GE复合材料中使用的GPs的不同百分比分别为(0.1,0.3,0.5和0.7)w/%的环氧重量。进行了单轴压缩性能和纤维方向线性热膨胀系数(CLTE)试验。还进行了热力学性能测试,如存储模量(E ')和损耗模量(E ")。使用动态机械分析仪(DMA)测量存储模量和损耗模量的变化,从15°C到125°C,而使用dialatometer测量CLTE。结果表明:当GPs添加量达到0.5%时,压缩性能和热力学性能均呈先升高后降低的趋势;GPs的加入对GE复合材料在纤维方向上的CLTE没有影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
INFLUENCE OF GRAPHENE NANOPLATELETS ON MECHANICAL AND THERMO-MECHANICAL PROPRTIES OF GLASS/EPOXY COMPOSITES
The current work focuses on the influence of graphene nanoplatelets (GPs) on the mechanical and thermo-mechanical properties of unidirectional glass/epoxy (GE) composites. GE and GP-GE composites are fabricated using the hand lay-up method followed by compression molding. Different percentages of GPs used in the fabrication of GP-GE composites are (0.1, 0.3, 0.5, and 0.7) w/% by weight of the epoxy. Tests are conducted to experimentally evaluate the uniaxial compressive properties and the coefficient of linear thermal expansion (CLTE) in the direction of fibers. Tests are also conducted to study the thermo-mechanical properties such as storage modulus (E’) and loss modulus (E’’). The variation in the storage modulus and loss modulus is measured from 15 °C to 125 °C, using a dynamic mechanical analyzer (DMA) while the CLTE is measured using a dialatometer. The results indicate that the compressive as well as thermo-mechanical properties increase with the addition of GPs up to 0.5 % and then they decrease. The addition of GPs has no effect on the CLTE of the GE composites in the fiber direction.
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来源期刊
Materiali in tehnologije
Materiali in tehnologije 工程技术-材料科学:综合
CiteScore
1.30
自引率
0.00%
发文量
73
审稿时长
4-8 weeks
期刊介绍: The journal MATERIALI IN TEHNOLOGIJE/MATERIALS AND TECHNOLOGY is a scientific journal, devoted to original papers and review scientific papers concerned with the areas of fundamental and applied science and technology. Topics of particular interest include metallic materials, inorganic materials, polymers, vacuum technique and lately nanomaterials.
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