Utilization of Mechanically Recycled Carbon Fibers in Vinyl Ester Composites

被引:3
|
作者
AlHarmoodi, Khaled [1 ]
Idrisi, Amir Hussain [2 ]
Mourad, Abdel-Hamid Ismail [1 ,3 ]
Abu-Jdayil, Basim [4 ]
机构
[1] United Arab Emirates Univ, Dept Mech & Aerosp Engn, Al Ain 15551, U Arab Emirates
[2] Michigan Technol Univ, Mech Engn Engn Mech, Houghton, MI 49931 USA
[3] United Arab Emirates Univ, Natl Water & Energy Ctr, Al Ain 15551, U Arab Emirates
[4] United Arab Emirates Univ, Dept Chem Engn, Al Ain 15551, U Arab Emirates
关键词
carbon fibers; vinyl ester; polymer composites; recycling; GLASS; DURABILITY; STRENGTH; CFRP;
D O I
10.3390/polym15041016
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
As we enter the twenty-first century, the aviation sector is expected to thrive as flying becomes the primary mode of transportation between states or nations. With such a demand, there is a corresponding need to manufacture aircraft components. The study focused on recycling carbon fiber composites received from the STRATA company, which were cut-off/waste material generated during the manufacture of airplane components. The cut-offs were then reduced to powder form using a standard face milling machine in three sizes (90, 150, and 250 mu m). After, the powder was utilized to fabricate vinyl ester composites with four weight percentages (10%, 20%, 30%, and 40%). The results demonstrate that the tensile strength of all composites had risen by 30.2%, 21.3%, and 17.6% for 90, 150, and 250 mu m respective with the addition of 20 wt% of reinforcement. Furthermore, subsequently decreased with the additional reinforcement for all particle sizes. The compressive strength increased by 30% from 187.5 MPa to 244 MPa with 10 wt% of recycled carbon powder composite of 90 mu m particle size. However, samples prepared with 150 mu m and 250 mu m fiber size show approximately 17% and 1% increase in the compression strength with the addition of 10wt% of recycled carbon powder. A similar trend was observed for the flexural strength with an highest increase of 9% for 90 mu m particle size with addition of 20 wt% reinforcement. Nonetheless, the SEM images revealed that the fiber-matrix bonding was weak, proved through the clean pullout fibers at the fracture surfaces.
引用
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页数:22
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