Results 121 to 130 of about 6,473,156 (248)

Design and steps to implementation of lead-free manufacturing [PDF]

, 2002
Plan BLead is no longer used in paints or gasoline due to the harmful effects caused from internal consumption and inhalation of lead. Unfortunately, the steps taken to reduce or control the harmful usage of lead in these cases were a reactive rather ...
Her, Cal F.
core  

Investigation of Resonance Characteristics of More Than 10 000 Metal‐Coated Silicon MEMS Cantilevers Using Machine Learning

Advanced Engineering Materials, EarlyView.
More than 10 000 metal‐coated silicon MEMS cantilevers are fabricated and characterized to build a large‐scale experimental dataset spanning multiple vibrational modes. Machine learning algorithms are benchmarked to predict resonance frequency and quality factor, with ensemble based models achieving accuracy approaching experimental uncertainty.
Sina Zare Pakzad, Saurabh Thorat, Andre Loch Gesing, Dominik Huber, Christopher Zellner, Patrick Egger, Georg Pfusterschmied, Ulrich Schmid, Michael Schneider   +8 more
wiley   +1 more source

Photo-dielectric effect of NaBiBaTiO lead-free ceramics sintered in nitrogen and oxygen atmospheres

Journal of Advanced Dielectrics
The lead-free ceramics Na[Formula: see text]Bi[Formula: see text]Ba[Formula: see text]TiO[Formula: see text] (BNBT) were prepared via a solid-state sintering method, which was sintered in nitrogen (N2) and oxygen (O2) atmospheres, respectively. The photo-
Tian-Feng Xu, Xiao-Ming Chen, Li-Na Liu, Neng Qin, Han-Li Lian   +4 more
doaj   +1 more source

Influence of Fe Particle Size Distribution on Chemical Homogeneity, Microstructure, and Crack Formation in Fe–SiC Powder Blends Processed by PBF‐LB/M

Advanced Engineering Materials, EarlyView.
The influence of Fe particle size on in situ alloying of Fe–SiC powder blends in PBF‐LB/M is revealed. Contrary to expectations, the coarser Fe fraction provides a broader crack‐free processing window and slightly improved elemental homogeneity while producing higher but more variable hardness. The results highlight a complex trade‐off between particle
Anna Luise Strauch, Anastasiya Toenjes, Matthias Steinbacher   +2 more
wiley   +1 more source

Analysis of fracture data of conductive cracks in lead zirconate titanate PIC 151 ceramics with the charge-free zone model

, 2009
The charge-free zone model for electrically conductive cracks in piezoelectric ceramics is reviewed and applied to interpret the experimental results on poled lead zirconate titanate PIC 151 ceramics.
Zhang, Tong Yi
core  

Advances in Sustainable and Wearable Textile Based Soft Robotics

Advanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas, Marzia Dulal, Sophia K. Novoselov, Victoria K. Novoselov, Kostya S. Novoselov, Shaila Afroj, Nazmul Karim   +6 more
wiley   +1 more source

Bio‐Inspired Synthesis of Macroporous Single Crystal Particles as Scattering Agents

Advanced Functional Materials, EarlyView.
A general strategy is presented that delivers unique, single‐crystal microparticles that combine submicron macroporosity and uniform particle shapes. A bioinspired approach is used to occlude three distinct types of additives – polystyrene microspheres, polymer vesicles and amino acids – within calcite single crystals, and subsequent thermal annealing ...
Stephanie E. Foster, Gianni Jacucci, Ouassef Nahi, Thomas Kress, Zabeada Aslam, Stuart Micklethwaite, Alexander N. Kulak, Rik Drummond‐Brydson, Melinda J. Duer, Yi‐Yeoun Kim, Silvia Vignolini, Fiona C. Meldrum   +11 more
wiley   +1 more source

Effect of Ti on the properties of (KxNa1-x)NbO3 based lead-free ceramics

, 2015
The effect of modifying lead-free alkaline niobate based piezoelectric ceramics with different amounts of Ti has been investigated. Thermal studies using a dilatometer show that increasing Ti amount leads to decreasing sintering temperature by ...
Schneider, Gerold A., Mgbemere, Henry Ekene   +1 more
core   +1 more source

Influence of BaTiO3 on Synthesis and Structure of Lead-Free Ceramics Based on KNN

In the present work lead-free compositions with a stoichiometric formula (1-x)(K0.5Na0.5)Nb1-ySbyO3-xBaTiO3 (x=0.01, 0.02, 0.04; y=0.04, 0.07) were produced by solid state sintering method. Manganese oxide MnO2 was used as a dopant in order to lower the
Livinsh, Maris, Kalvāne, Anna, Garbarz-Glos, Barbara, Smeltere, Ilze, Sternberg, Andris, Antonova, Maija   +5 more
core  

Strong Lead‐Free Bioinspired Piezoceramics for Durable Energy Transducers

Advanced Functional Materials, EarlyView.
We fabricated brick‐and‐mortar lead‐free piezoceramics with Bi0.5Na0.5TiO3 monocrystal platelets as bricks and amorphous silica as mortar. The alignment of the bricks and the presence of the amorphous silica led to anisotropic residual stresses. These residual stresses increase the samples toughness, strength and durability while the brick alignment ...
Ruxue Yang, Temesgen Tadeyos Zate, Peiren Wang, Soumyajit Mojumder, Elo Overgaard Mogensen, Oriol Gavalda‐Diaz, Zihe Li, Shitong Zhou, Ajeet Kumar, James Roscow, Hamideh Khanbareh, Astri Bjørnetun Haugen, Florian Bouville   +12 more
wiley   +1 more source