Name: Investigando o potencial de transdutores piezoelétricos finos e curvados individualmente para coleta de energia e monitoramento da integridade estrutural (Vídeo) | JoVE Journal
Uploaded: 2025-11-14T12:35:00.000+00:00
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Description: Descubra como transdutores piezoelétricos curvados superam os retos na coleta de energia por vibração e no monitoramento da integridade estrutural de vigas de concreto armado.

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<li>Wang, B., Li, Z., Yang, Z. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/pubmed?term=((A+distributed-parameter+electromechanical+coupling+model+for+a+piezoelectric+energy+harvester+with+variable+curvature%5BTitle%5D)+AND+%22Smart+Mater+Struct%22%5BJournal%5D)">A distributed-parameter electromechanical coupling model for a piezoelectric energy harvester with variable curvature.</a> Smart Mater Struct. 29 (11), 115015(2020).</li>
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<li>Vu, V. H., Nguyen, M. H., Hwang, C. L., Huynh, T. P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/pubmed?term=((High-strength+high-performance+concrete+incorporating+different+macro+fiber+types+and+contents%3A+engineering+and+durability+performance%5BTitle%5D)+AND+%22J+Chin+Inst+Eng%22%5BJournal%5D)">High-strength high-performance concrete incorporating different macro fiber types and contents: engineering and durability performance.</a> J Chin Inst Eng. 47 (1), 81-95 (2024).</li>
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</ol>

<table><tbody><tr><td>Acelerômetro</td><td>Piezotrônica de PCB</td><td>352C34</td><td></td></tr><tr><td>Agregados - 10 mm</td><td>N/A</td><td>N/A</td><td></td></tr><tr><td>Agregados - 20 mm</td><td>N/A</td><td>N/A</td><td></td></tr><tr><td>Capacitor (1000 & mu; F)&nbsp;</td><td>N/A</td><td>N/A</td><td></td></tr><tr><td>Cimento</td><td>N/A</td><td>N/A</td><td></td></tr><tr><td>Multímetro digital &nbsp;</td><td>Tecnologias Agilent</td><td>34411A</td><td></td></tr><tr><td>Termômetro digital &nbsp;</td><td>La Crosse Technology&nbsp;</td><td>WS-9006U&nbsp;</td><td></td></tr><tr><td>Epóxi</td><td>N/A</td><td>N/A</td><td></td></tr><tr><td>Gerador de funções&nbsp;</td><td>Tecnologias Agilent</td><td>33210A</td><td></td></tr><tr><td>amplificador ICP & nbsp;</td><td>Piezotrônica de PCB</td><td>Série 482C</td><td></td></tr><tr><td>Medidor LCR</td><td>Tecnologias Agilent</td><td>E4980A</td><td></td></tr><tr><td>Macro compósito de fibra (MFC)&nbsp;</td><td>Material Inteligente</td><td>M5628-P2</td><td></td></tr><tr><td>Osciloscópio</td><td>Tektronix</td><td>TDS 2004B</td><td></td></tr><tr><td>Agitador portátil &nbsp;</td><td>LDS</td><td>V406</td><td></td></tr><tr><td>amplificador de potência&nbsp;</td><td>LDS</td><td>PA500L</td><td></td></tr><tr><td>Resistências</td><td>N/A</td><td>N/A</td><td></td></tr><tr><td>Agitador rotativo &nbsp;</td><td>Crompton Greaves&nbsp;</td><td>XKF5577</td><td>Não disponível no momento</td></tr><tr><td>Areia</td><td>N/A</td><td>N/A</td><td></td></tr><tr><td>Diodos do tipo Schottky&nbsp;</td><td>Diodes Incorporated</td><td>BAT1000</td><td></td></tr><tr><td>Fios</td><td>N/A</td><td>N/A</td><td></td></tr></tbody></table>

investigando o potencial de transdutores piezoelétricos finos e curvados individualmente para coleta de energia e monitoramento da integridade estrutural

Investigating the Potential of Singly Curved Thin Piezoelectric Transducers for Energy Harvesting and Structural Health Monitoring

Investigando o potencial de transdutores piezoelétricos finos e curvados individualmente para coleta de energia e monitoramento da integridade estrutural

Over the past two decades, piezoelectric materials have become an integral part of structural health monitoring (SHM) and energy harvesting. These ...

investigating-potential-singly-curved-thin-piezoelectric-transducers

Research

JoVE Journal

Engineering

Engenharia

Apresentamos um protocolo para o uso de um tribômetro assistido piezoeletricamente e um perfilômetro óptico para investigar a dependência do desgaste ultrassônico e da redução do atrito na velocidade linear, pressão de contato e propriedades da superfície.

Experimentos em Ultrasonic Lubrificação Usando um tribômetro piezoelectricamente-assistida e Profilometer Optical

Aqui, apresentamos os protocolos para determinar os limiares de detecção de vibração e acuidade tátil usando métodos psicofísicos no homem.

Medição do limiar de detecção de vibração e tátil Spatial Acuity em Seres Humanos

Este protocolo descreve o procedimento de medição da dependência da temperatura das constantes de material de material de material piezoelétrico usando espectroscopia de ultrassom ressonante (RUS).

Caracterização do conjunto completo de constantes do material e sua dependência de temperatura para materiais piezoelétricos Usando Resonant Ultrasound Spectroscopy

Método de fabricação de uma etapa para a obtenção autônoma heterostructure dupla epitaxial é apresentado. Esta abordagem poderia atingir a cobertura de ZnO com uma densidade em número maior do que a do heterostrutura única epitaxial, levando a uma nanogenerator piezoeléctrico com um desempenho eléctrico aumento da produção.

Preparação de ZnO nanorod / Grafeno / ZnO nanorod Epitaxial Duplo heterostructure para piezoelétricos nanogenerator usando pré-aquecimento Hydrothermal

A integração de nanopartículas condutoras, tais como nanoplatelets grafeno, em materiais compósitos de fibra de vidro cria uma rede elétrica intrínseca suscetíveis à tensão. Aqui, diferentes métodos para obtenção de sensores de tensão baseado na adição de nanoplatelets grafeno na matriz de epoxi ou como um revestimento sobre tecidos de vidro são propostas.

Strain Sensing Baseado em Multiscale Materiais Compósitos reforçados com grafeno Nanoplatelets

Neste estudo, nós fabricada uma estrutura flexível de malha 3D e aplicou-à camada elástica de uma colhedora de energia de vibração tipo cantilever bimorph com a finalidade de reduzir a frequência de ressonância e aumentando a potência de saída.

Uma colhedora de energia de vibração piezo baseado em polímero com uma estrutura de Meshed-Core 3D

A fabricação de transdutores do modo de espessura piezoelétrica através da corrente direta de eletrodos de placas em nióbio de lítio é descrita. Além disso, a operação confiável é alcançada com um suporte de transdutor e sistema de fornecimento de fluidos e a caracterização é demonstrada através de análise de impedância, vibrometria doppler laser, imagem de alta velocidade e distribuição do tamanho de gotículas usando dispersão a laser.

Fabricação e caracterização de dispositivos piezoelétricos do modo de espessura para atomização e acoustofluidos

A inspeção de amostras em larga escala com resolução em nanoescala tem uma ampla gama de aplicações, especialmente para wafers semicondutores nanofabricados. Microscópios de força atômica podem ser uma ótima ferramenta para esse fim, mas são limitados por sua velocidade de imagem. Este trabalho utiliza matrizes de cantiléver ativas paralelas em AFMs para permitir inspeções de alto rendimento e em larga escala.

Microscopia de Força Atômica de Sonda Ativa com Matrizes Cantilever Paralelas Quattro para Inspeção de Amostras em Grande Escala de Alto Rendimento

Polímeros fabricados aditivamente têm sido amplamente utilizados para a produção de metamateriais elásticos. O comportamento viscoelástico desses polímeros em frequências ultrassônicas permanece, no entanto, pouco estudado. Este estudo relata um protocolo para estimar as propriedades viscoelásticas de polímeros impressos em 3D e mostrar como usá-los para analisar a dinâmica do metamaterial.

Caracterização de metamateriais elásticos dissipativos produzidos por manufatura aditiva 

Esta metodologia permite aplicar um aparelho dentário em qualquer espécime em qualquer ângulo com força e estabilidade padronizadas. Essa abordagem pode ser amplamente utilizada nas ciências da saúde para padronizar os impactos de equipamentos odontológicos com elementos manuais, como micromotores, turbinas e raspadores ultrassônicos em superfícies variadas.

Impacto da rugosidade do raspador odontológico piezoelétrico em dois materiais de obturação compostos fluidos distintos

Apresentamos um protocolo reproduzível de espectroscopia de piezoreflectância por modulação de deformação que permite a medição de ΔR/R com detecção de bloqueio para cristais de van der Waals transferidos em piezocerâmicas, e resulta com caracterização de transições ópticas diretas através de espectros ΔR/R utilizando ajuste de terceira derivada com a fórmula de Aspnes.

Espectroscopia de Piezorreflectância de Transições Ópticas em Cristais em Camadas de van der Waals

Descubra como transdutores piezoelétricos curvados superam os retos na coleta de energia por vibração e no monitoramento da integridade estrutural de vigas de concreto armado.

Investigando o potencial de transdutores piezoelétricos finos e curvados individualmente para coleta de energia e monitoramento da integridade estrutural (Vídeo) | JoVE Journal

Investigando o potencial de transdutores piezoelétricos finos e curvados individualmente para coleta de energia e monitoramento da integridade estrutural

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