Results 71 to 80 of about 128,309 (243)
Journal of Materials Research and Technology, 2018 Nickel Superalloy 718 was specially designed for high temperatures. However, due to an embrittlement phenomenon, its application is limited up to 650 °C.
Amanda de Vasconcelos Varela +4 more
doaj +1 more source
RF and Surface Properties of Bulk Niobium and Niobium Film Samples [PDF]
, 2012 The surface resistance Rs of superconducting cavities can be obtained from the unloaded quality factor Q0. Since RS varies strongly over the cavity surface its value must be interpreted as averaged over the whole cavity surface.
Weingarten, W. +6 more
core +1 more source
Carbon Energy, EarlyView.This review systematically and comprehensively summarizes the latest research progress on V2CTx MXene. Focusing on the structural design strategies, particularly the construction of the V2CTx‐based hetero‐composite structure. Furthermore, widespread applications including electrochemical energy storage and conversion, as well as photocatalytic ...
Wenjun Zhu +9 more
wiley +1 more source
MetalsThis study evaluated the influence of niobium addition and austempering time and temperature on the microstructure and mechanical behavior of ductile iron.
César Yeshua Becerra Mayorga +6 more
doaj +1 more source
Effect of Carbon Stabilizing Elements on WC Cemented Carbides with Chromium Steel Binder
Medžiagotyra, 2019 High price, limited availability and toxicity of cobalt motivates researchers and material engineers to find alternative binder systems for WC cemented carbides. Iron and iron alloys are promising candidates for complete cobalt substitution.
Marek TARRASTE +4 more
doaj +1 more source
Carbon Energy, EarlyView.Incorporating AI to optimize solution, process, and environment enables efficient prediction of structural properties and performance, allowing tailoring of GDL, CL, and PEM fabrication to guide PEMFC toward 9.0 kW L‒1 by 2040. ABSTRACT The performance and commercial viability of proton exchange membrane fuel cells (PEMFCs) are constrained by key ...
Shangfeng Jiang +11 more
wiley +1 more source
Colloidal processing of metal bonded niobium carbide
, 2017 Manufacturing of Niobium carbide cermets with nickel binder and different additions of titanium carbide has been realized by colloidal processing in aqueous ...
Wäsche, Rolf +2 more
core
Niobium‐Based Chalcogenides as Emerging Electrode Materials for Rechargeable Batteries
EcoEnergy, EarlyView.This review highlights recent advances in Nb‐based TMCs, covering their structure‐property relationships, synthesis strategies, electrochemical mechanisms, and energy‐storage applications. Emerging approaches including defect engineering, operando characterization, DFT modeling, and AI‐assisted design are discussed to accelerate the development of high‐
Narasimharao Kitchamsetti +3 more
wiley +1 more source
Heterogeneous Single/Dual‐Atom Electrocatalysts in Lithium–Sulfur Batteries
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.This review summarizes recent advances in single‐atom and dual‐atom electrocatalysts for high‐performance lithium–sulfur batteries. The text systematically covers the classification of catalysts by active metal centers, key synthesis methods, in situ characterization for mechanistic insights, and electrocatalytic mechanisms.
Wenbin Li +3 more
wiley +1 more source
REM: International Engineering JournalThis study aims to analyze the efficiency of niobium and vanadium carbides in the high energy mechanical milling of aluminum bronze alloy. Two series of experiments were made following the same steps for both niobium carbide (NbC) and vanadium carbide ...
Alexandre Nogueira Ottoboni Dias +5 more
doaj +1 more source