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Mostrando ítems 1-5 de 5
Artículo
Design of lead-free PVDF/CNT/BaTiO3 piezocomposites for sensing and energy harvesting: The role of polycrystallinity, nanoadditives, and anisotropy
(IOP Publishing Ltd, 2020-01)
Lead-free piezoelectric composites with polymeric matrices offer a scalable and eco-friendly solution to sensing and energy harvesting applications. Piezoelectric polymers such as PVDF are particularly interesting because ...
Ponencia
An xfem-based numerical scheme to compute crack-induced electrical resistivity changes in cracked cnt-reinforced composites using ansys
(American Institute of Physics Inc., 2020-11-30)
This paper presents an eXtended Finite Element Method (XFEM)-based numerical scheme to compute electrical resistivity changes caused by the presence of cracks. Using the commercial finite element package ANSYS, the virtual ...
Artículo
Lead-free piezocomposites with CNT-modified matrices: Accounting for agglomerations and molecular defects
(Elsevier, 2019-09)
Piezoelectric matrix-inclusion composites based on lead-free ceramics have attracted attention due to the possibility of manufacturing environmentally friendly devices using scalable emerging technologies such as 3D printing. ...
Artículo
Analytical expressions to estimate the effective piezoelectric tensor of a textured polycrystal for any crystal symmetry
(Elsevier, 2020-12)
This work introduces a set of analytical expressions that simplify the procedure for obtaining closed-form formulas to estimate the effective piezoelectric properties of polycrystalline aggregates formed by crystals of all ...
Artículo
Improving the performance of lead-free piezoelectric composites by using polycrystalline inclusions and tuning the dielectric matrix environment
(IOP Publishing Ltd, 2019-07)
Piezoelectric composites are a class of smart materials which can be manufactured in a scalable manner by additive processes, while catering to a wide range of applications. Recent efforts are directed towards composites ...