Results 131 to 140 of about 44,350 (289)
Advanced Materials Technologies, EarlyView.A flexible piezoresistive pressure sensor with gradient toroidal CNT/PDMS microstructures is reported. The hierarchical geometry enables sequential electrode contact, achieving a sensitivity of 256.20 kPa−1 and linear response (R2 = 0.99) over 0–1000 kPa.
Rongmei Wang +8 more
wiley +1 more source
Fracture of piezoelectric materials with the X-FEM
, 2008 peer reviewedWe present an application of X-FEM to the fracture analysis of piezoelectric materials. These materials are increasingly used in actuators and sensors.
Scherzer, Matthias +2 more
core +1 more source
MicromachinesThe piezoelectric effect refers to a physical phenomenon where piezoelectric materials generate an electric field when subjected to mechanical stress or undergo mechanical deformation when subjected to an external electric field. This principle underlies
Jinying Zhang +5 more
doaj +1 more source
Advanced Materials Technologies, EarlyView.The study considers the use of polymer/dielectric‐based multilayers piezoelectric Energy Harvesters (EH) to produce an output voltage and current, by exploiting the mechanical energy provided by human organs movements. In particular, the heart motion is considered from the kinematic viewpoint, and a multiphysics theoretical model is developed to assess
Hamdi Ezzin +5 more
wiley +1 more source
Advanced Materials Technologies, EarlyView.In this study, we propose a biodegradable wireless soil urea sensor for precision agriculture. The sensor's electromagnetic response varies depending on the urea concentration, allowing the measurement of relative soil urea concentrations by analyzing the time‐transient electromagnetic response.
Yu Tanaami +5 more
wiley +1 more source
Effective Lengths of Tensile and Torsional Specimens of Piezoelectric Materials
, 2006 The effective length of a piezoelectric cylindrical specimen in strain measurements is determined by considering the stress decay in a cylindrically anisotropic, circular cylinders of piezoelectric materials subjected to 2D surface tractions and ...
H.-H. Chang, J.-Q. Tarn
core +1 more source
Advanced Materials Technologies, EarlyView.Aerosol Jet Printing (AJP) has emerged as a versatile additive manufacturing technique for high‐resolution, conformal, and multi‐material printing. This review highlights advances in printable materials, substrate compatibility, post‐processing, characterization, and process innovations, while critically discussing current challenges and future ...
Chandrachur Chatterjee +2 more
wiley +1 more source
Simulating the Behavior of Robocasted Textured Piezoelectric Materials
, 2022 The performance of piezoelectric materials is affected by both the macroscopic geometry as well as the microstructure. One fabrication approach that can control both these aspects is robocasting a solution containing template single-crystal particles ...
Pomar, Thierry Désiré +4 more
core
TiO 3 -Based Piezoelectric Materials [PDF]
, 2020 The lead-free piezoelectric ceramics display good piezoelectric properties which are comparable with Pb(Zr,Ti)O 3 (PZT) and these materials overcome the hazard to the environment and human health.
Dang Duc +6 more
core
The potential of organic piezoelectric materials for next-generation implantable biomedical devices
Nano TrendsPiezoelectricity or piezoelectric effect is a phenomenon by which mechanical energy is converted into electrical energy and vice versa. Piezoelectric effect has been observed in several organic materials.
Arshad Khan +6 more
doaj +1 more source