A Molecular Dynamics Study of the Stability and Mechanical Properties of a Nano-Engineered Fuzzy Carbon Fiber Composite

被引:5
作者
Almousa, Hassan [1 ,2 ]
Peng, Qing [1 ,3 ,4 ]
Alsayoud, Abduljabar Q. [4 ,5 ]
机构
[1] King Fahd Univ Petr & Minerals, Phys Dept, Dhahran 31261, Saudi Arabia
[2] Saudi Aramco, Res & Dev Ctr, Dhahran 31311, Saudi Arabia
[3] KACARE Energy Res & Innovat Ctr Dhahran, Dhahran 31261, Saudi Arabia
[4] King Fahd Univ Petr & Minerals, Hydrogen Energy & Storage Ctr, Dhahran 31261, Saudi Arabia
[5] King Fahd Univ Petr & Minerals, Mat Sci & Engn Dept, Dhahran 31261, Saudi Arabia
来源
JOURNAL OF COMPOSITES SCIENCE | 2022年 / 6卷 / 02期
关键词
fuzzy carbon fiber; turbostratic interconnected graphene; molecular dynamics; interfacial property; uniaxial deformation; FORCE-FIELD; SIMULATION; SURFACE; REINFORCEMENT; ADSORPTION; NANOTUBES; REAXFF; MODELS; ANGLE;
D O I
10.3390/jcs6020054
中图分类号
TB33 [复合材料];
学科分类号
摘要
Carbon fiber-reinforced polymer composites are used in various applications, and the interface of fibers and polymer is critical to the composites' structural properties. We have investigated the impact of introducing different carbon nanotube loadings to the surfaces of carbon fibers and characterized the interfacial properties by molecular dynamics simulations. The carbon fiber (CF) surface structure was explicitly modeled to replicate the graphite crystallites' interior consisting of turbostratic interconnected graphene multilayers. Then, single-walled carbon nanotubes and polypropylene chains were packed with the modeled CFs to construct a nano-engineered "fuzzy" CF composite. The mechanical properties of the CF models were calculated through uniaxial tensile simulations. Finally, the strength to peel the polypropylene from the nano-engineered CFs and interfacial energy were calculated. The interfacial strength and energy results indicate that a higher concentration of single-walled carbon nanotubes improves the interfacial properties.
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页数:10
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