Results 141 to 150 of about 21,176 (299)
Upscaling hydrogen production through water electrolysis with proton exchange membranes (PEM) has established high interest in several industrial fields to achieve the ambitious goals given by legislative bodies regarding production volumes and cost ...
Aretz, Martin +3 more
core +1 more source
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.This article explores high‐entropy‐stabilized oxides (HEOs) as novel functional materials for addressing critical issues in lithium–sulfur (Li–S) batteries, including lithium polysulfide (LPS) shuttling, inadequate conductivity, and slow redox kinetics.
Hassan Raza +10 more
wiley +1 more source
Microstructural and property assessment of creep aged 12cr steel after welding
, 2013 Includes bibliographical references.The electricity public utility of Eskom (South Africa) has an ageing fleet of power generation equipment and due to shortage of capacity there is limited time for maintenance and replacements.
Molokwane, Teboho Jacob
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Upset Resistance Welding of a Microcomposite Cu-Nb Conductor for Pulsed Power Applications
The present study offers an experimental investigation into the welding of Cu–Nb wire using upset resistance welding. The aim is to examine the structure, as well as the electrical and mechanical properties, of Cu–Nb conductor joints produced
Paulius Beinoras +2 more
core +1 more source
Photoreversible Polyurea Actuators With Spatiotemporal Control and Adaptive Mechanics
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.A light–thermal responsive polyurea network incorporating reversibly dimerizable anthracene units enables spatiotemporal modulation of cross‐linking density and nearly 400‐fold stiffness tuning. Integrating programmable anisotropy, photopatterning, self‐healing, and photowelding within a single framework, this bioinspired “one network–multifunction ...
Zhiwen Song +7 more
wiley +1 more source
Resistência a erosão por cavitação de revestimentos depositados por soldagem e aspersão térmica [PDF]
, 1999 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico.Neste trabalho é realizado um estudo comparativo da resistência à erosão por cavitação de diferentes materiais depositados por soldagem e por aspersão térmica. Na avaliação da
Boccanera, Leonardo Fabían
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Flexible Direct‐Conversion X‐Ray Detectors: From Emerging Materials to Conformal Imaging
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.This comprehensive review analyzed the performance, challenges, and future directions of four emerging material systems for next‐generation flexible direct‐conversion X‐ray detectors: organic semiconductors, perovskites, metal–organic frameworks, and inorganic metal compounds.
Haipeng Di +11 more
wiley +1 more source
Laser‐Textured Field‐Engineered Interface for Robust Dry‐Processed Cathodes in Lithium‐Ion Batteries
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Laser‐patterned dry electrodes applied to current collectors could serve as a promising alternative to the limitations of conventional dry electrodes. Laser technology provides a fast and simple method to enhance the surface roughness of current collectors, improving the adhesion at the electrode–current collector interface.
Chaerin Jung +8 more
wiley +1 more source
Research on the Surface Coatings Influence on Formation Mechanism of the Resistance Welds
The goal of the work is the research of formation mechanism of the spot resistance welds in the case of copper wires with nickel and tin coatings. The existing approaches for investigation of the formation mechanisms of welds of wires with and without ...
Kulakova, Vera, Boiko, Irīna
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A series-parallel load-resonant converter for a controlled-current arc-welding power supply [PDF]
A power supply incorporating a series-parallel load-resonant converter, capable of very efficient operation over a wide range of output power is presented. The series-parallel load-resonant converter is shown to have three pairs of resonant frequencies.
Pollock, Helen Geraldine Phyllis
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