Results 11 to 20 of about 6,148,141 (283)
Lead-Free Ceramics in Prestressed Ultrasonic Transducers
Today’s ultrasonic transducers find broad application in diverse technology branches and most often cannot be replaced by other actuators. They are typically based on lead-containing piezoelectric ceramics.
Claus Scheidemann +3 more
doaj +3 more sources
Kirigami–Origami‐Inspired Lead‐Free Piezoelectric Ceramics
Kirigami‐ and oirigami‐inspired techniques have emerged as effective strategies for material structure design; however, the use of these techniques is usually limited to soft and deformable materials.
Zehuan Wang +9 more
doaj +3 more sources
Electrical transport in lead-free Na0.5Bi0.5TiO3 ceramics [PDF]
Lead-free Na0.5Bi0.5TiO3 (NBT) ceramics were prepared via a conventional oxide-mixed sintering route and their electrical transport properties were investigated.
J. Suchanicz +3 more
doaj +3 more sources
Lead-Free AE Sensor Based on BZT–BCT Ceramics
In this study, an acoustic emission (AE) sensor was fabricated using lead-free Ba(Zr0.2Ti0.8)O3–0.5(Ba0.7Ca0.3)TiO3 (BZT–BCT) ceramics. The acoustic and electromechanical properties of the AE sensor were determined by the shapes of the piezoelectric ...
Dong-Jin Shin +6 more
doaj +3 more sources
Some lead-free ceramics of ferroelectric andphotoelectrochemical applications
The main ferroelectric materials are lead-based which cause serious environmental problem. Then, to develop environment friendly materials, lead-free ceramics derived from BaTiO3 were found to be interesting owing to their attractive ferroelectric ...
N. Bensemma +3 more
doaj +3 more sources
Piezoelectric characterization of lead-free ferroelectric ceramics [PDF]
The challenge to develop high piezoelectric sensitivity and lead-free composition ferro-piezoelectric ceramics has recently dragged new attention to some classic ferroelectrics.
Lorena Pardo +6 more
doaj +5 more sources
Lead Free Multilayer Piezoelectric Actuators by Economically New Approach [PDF]
The replacement of lead zirconate titanate ceramics (PZTs), with a lead-oxide (PbO)-free alternative is the subject of intense investigation worldwide. In this research, a cheap reliable methodology for the fabrication of multilayers (MLs) of lead-free ...
Fayaz Hussain +7 more
doaj +2 more sources
The synthesis and characterisation of lead-free piezoelectric ceramics [PDF]
With a growing awareness of the environmental and health hazards of lead, there has been renewed interest in developing lead-free alternatives to lead zirconate titanate (PZT), which currently dominates the market for piezoelectric materials. Some of the
Roberts, William Michael
core +7 more sources
Electrical properties of KTa0.65Nb0.35O3 lead-free ceramics [PDF]
In the present study, lead-free KTa0.65Nb0.35O3 ceramics were prepared by solid state reaction method using successive calcination steps in order to ensure the complete reaction of the system.
Gheorghiu Felicia +2 more
doaj +1 more source
The highest energy conversion efficiencies are typically shown by lead-containing piezoelectric materials, but the harmful environmental impacts of lead and its toxicity limit future use.
Neelesh Bhadwal +2 more
doaj +1 more source

