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Effect of graphene nanoplatelets addition on the elastic properties of short ceramic fiber-reinforced aluminum-based hybrid nanocomposites
Mechanics Based Design of Structures and Machines ( IF 2.9 ) Pub Date : 2020-04-24 , DOI: 10.1080/15397734.2020.1753535
Dangquan Zhang 1 , Muhammad Aqeel Ashraf 1, 2 , Zhenling Liu 3 , Cheng Li 1 , Wanxi Peng 1
Affiliation  

Abstract

Effects of adding graphene nanoplatelets (GNPs) on the elastic properties of short SiC fiber-reinforced aluminum (Al)-based hybrid nanocomposites are evaluated using a micromechanical approach. Agglomeration and size of GNPs and formation of Al/GNP Al4C3 interphase are evaluated. Influences of alignment, aspect ratio and volume fraction of SiC on the Al-based hybrid nanocomposite properties are studied. Addition of the GNPs results in improved elastic modulus of the hybrid nanocomposites. The elastic modulus appears to increase by (i) increasing GNP length, (ii) decreasing the GNP thickness and (iii) generating Al4C3 layer. The GNP agglomeration reduces the hybrid nanocomposite mechanical performances.



中文翻译:

添加石墨烯纳米片对短陶瓷纤维增强铝基杂化纳米复合材料弹性性能的影响

摘要

使用微机械方法评估添加石墨烯纳米片 (GNP) 对短 SiC 纤维增强铝 (Al) 基混合纳米复合材料弹性性能的影响。评估了 GNP 的团聚和尺寸以及 Al/GNP Al4C3 界面的形成。研究了SiC的取向、纵横比和体积分数对Al基杂化纳米复合材料性能的影响。GNP的添加导致混合纳米复合材料的弹性模量提高。弹性模量似乎通过 (i) 增加 GNP 长度,(ii) 减少 GNP 厚度和 (iii) 生成 Al4C3 层而增加。GNP 团聚降低了混合纳米复合材料的机械性能。

更新日期:2020-04-24
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