Ultrasonic assembly of anisotropic short fibre reinforced composites

Ultrasonics
M-S ScholzR S Trask

Abstract

We report the successful manufacture of short fibre reinforced polymer composites via the process of ultrasonic assembly. An ultrasonic device is developed allowing the manufacture of thin layers of anisotropic composite material. Strands of unidirectional reinforcement are, in response to the acoustic radiation force, shown to form inside various matrix media. The technique proves suitable for both photo-initiator and temperature controlled polymerisation mechanisms. A series of glass fibre reinforced composite samples constructed in this way are subjected to tensile loading and the stress-strain response is characterised. Structural anisotropy is clearly demonstrated, together with a 43% difference in failure stress between principal directions. The average stiffnesses of samples strained along the direction of fibre reinforcement and transversely across it were 17.66±0.63MPa and 16.36±0.48MPa, respectively.

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Citations

Oct 16, 2015·IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control·Marc-S ScholzRichard S Trask
Dec 3, 2015·The Journal of the Acoustical Society of America·Alexander GarbinJürg Dual
Mar 5, 2020·Advanced Materials·Brian ElderYong Lin Kong
Nov 12, 2016·Nanotechnology·Doruk Erdem YunusYaling Liu
Jul 22, 2018·Journal of Colloid and Interface Science·Leanne Friedrich, Matthew Begley
Aug 28, 2021·Micromachines·Soheila Shabaniverki, Jaime J Juárez

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