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Updated: Jul 17, 2025

A Polymer-based Piezoelectric Vibration Energy Harvester with a 3D Meshed-Core Structure
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调节压电和机械强度通过压电复合材料的三维梯度结构

Tao Yang1, Weili Deng1, Guo Tian1

  • 1Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P. R. China. weili1812@swjtu.edu.cn.

Materials horizons
|September 1, 2023
PubMed
概括

本研究介绍了用于先进电子的梯度压电纳米复合材料. 这种新的设计显著提高了机械强度和电力输出,提高了可穿戴设备的性能.

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Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity01:15

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
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