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Materiale Plastice
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https://doi.org/10.37358/Mat.Plast.1964

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Materiale Plastice (Mater. Plast.), Year 2007, Volume 44, Issue 2,





Determination through numerical computation of the designed and functional parameters of ultra acustic systems for ultrasonic welding of intelligent composite materials


Abstract:
Analytical computation of ultrasonic transducers is a very complicated task. Its framework is the theory of elastic waves propagation in magnetostrictive, electrostrictive and piezostrictive medium and a series of constraints that need to be satisfied so that the optimum vibration modes can be found out for efficient use. The use of Finite Element Methods (FEM) allows the determination and optimization of design and functional parameters of ultra-acoustic systems for ultrasonic welding of intelligent composite materials with polymeric matrix. The modeling was done individually for each component of the ultra-acoustic system. A diagram of the particle speed amplitude variation both at the top of the ultrasonic transducer and along the length of the ultra-acoustic system was obtained. Keywords: finite element method, smart composite materials, ultrasonic method



Issue: 2007 Volume 44, Issue 2
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