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Piezocomposites for unmanned underwater vehicle applications

This paper reviews feasibility of piezoceramic-polymer composite, so called piezocomposite, materials for UUV sonar application. Focus is not only placed on high electro-acoustic transformation performance, also on mass productivity, which is achieved by introducing Powder Injection Molding(PIM) process. Theoretical piezocomposite design method is introduced with FEM verification. Samples, produced via PIM process, are tested and proved their feasibility as UUV sonar sensors.