Technical Physics Letters
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The effect of ultrasound frequency on the physical and mechanical properties of carbon fiber reinforced plastic formed using the layer-by-layer fusion bonding technology
Zlobina I.V.
1,2, Bekrenev N.V.
1, Churikov D.O.1
1Yuri Gagarin State Technical University of Saratov, Saratov, Russia
2National Research Center “Kurchatov Institute”, Moscow, Russia
2National Research Center “Kurchatov Institute”, Moscow, Russia
Email: irinka_7_@mail.ru, nikolaj.bekrenev@yandex.ru, danilachurikov@mail.ru
A study was conducted to examine changes in strength and stiffness under three-point bending, tension, and impact loads of carbon fiber reinforced plastic (CFRP) produced using FDM technology after contact ultrasonic treatment. It was found that final ultrasonic treatment at 22 and 44 kHz increased stresses under three-point bending by 18.7 % and 8.6 %, respectively. Tensile stresses in the test specimens increased by an average of 12 % and 11 %, respectively, compared to the control specimens. Keywords: carbon fiber, polyetheretherketone, physical and mechanical properties, shock absorption.
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