Results 31 to 40 of about 639,172 (271)

High entropy alloys and methods for synthesis [PDF]

open access: yesMATEC Web of Conferences
High entropy alloys (HEA) are now a well-known group of materials, which has been studied intensely in the past decade. Due to the high complexity of the various HEA structures and the wide compositional spectrum, the research in the field continues with
Mosinoiu Laurentiu Florin   +6 more
doaj   +1 more source

Electrochemical Pathways for Nitrate Conversion to Ammonia: From Environmental Challenges to Ammonia Economy

open access: yesAdvanced Functional Materials, EarlyView.
This perspective presents recent advances in electrocatalytic nitrate reduction, focusing on reaction mechanisms, catalyst design, and electrolyzer configurations. Key challenges in selectivity, stability, and practical wastewater treatment are highlighted, while future directions for advancing sustainable ammonia synthesis and nitrate remediation are ...
Xintong Li   +9 more
wiley   +1 more source

Microscale Patterning of Ultrahigh‐Viscosity Metallic‐Polymer Composites via Embedded Droplet Writing

open access: yesAdvanced Functional Materials, EarlyView.
A hybrid additive manufacturing platform integrates direct droplet writing of metallic composite with VAT photopolymerization to fabricate architected soft magnetic composites. This approach enables microscale patterning of high‐viscosity materials for programmable actuators, adaptive fluidic devices, and switchable adhesives, offering tunable ...
Yeowon Yoon   +4 more
wiley   +1 more source

Effects of Third Constituent on As-cast Microstructures and Mechanical Properties of Mg-Sn Alloy

open access: yesCailiao gongcheng, 2016
As-cast microstructures and phase compositions of Mg-3.52Sn-xM and Mg-6.54Sn-xM (M=Al, Zn, Nd, Gd) alloys were investigated by optical microscope, scanning electron microscope and X-ray diffraction.
HUANG Zheng-hua   +3 more
doaj   +1 more source

Hybrid Ferroelectric Tunnel Junctions with Intrinsic Nonlinearity and Self‐Rectification via Interfacial Reconstruction

open access: yesAdvanced Functional Materials, EarlyView.
Rapid thermal annealing reconstructs the BCFO/Nb:STO interface into an atomically thin reconstructed interfacial layer, which reshapes the tunneling barrier and converts a high‐TER ferroelectric tunnel junction into an intrinsically nonlinear, self‐rectifying device.
Hojin Lee   +21 more
wiley   +1 more source

Effect of Aging Parameters of EN AW-7021 Aluminium Alloys on Stress Corrosion Cracking [PDF]

open access: yesArchives of Metallurgy and Materials
The main assumption of the conducted research was the selection of appropriate heat treatment parameters to obtain the best possible resistance to stress corrosion cracking (SCC) and the highest strength properties of the extruded profiles.
S. Boczkal   +7 more
doaj   +1 more source

Hydrophobic MFI‐Type Zeolites via Alkali‐Cation‐Induced Defect Healing: Implications for Adsorbent and Catalyst Design

open access: yesAdvanced Materials, EarlyView.
Sub‐stoichiometric amounts of Na+ or K+ enhance defect healing during Silicalite‐1 (MFI) and TS‐1 calcination by promoting Si–O–Si annealing and healing framework vacancies. The resulting defect‐free zeolites are more hydrophobic and show improved butanol/water separation and improved activity and selectivity in the epoxidation of 1‐hexene, offering a ...
Christos Kanteler   +14 more
wiley   +1 more source

NML's Activities on Non-ferrous Metals Extraction [PDF]

open access: yes, 2008
India is not well endowed with high grade deposits of ores and minerals of nonferrous metals except bauxite ore of aluminium and beach sand containing titanium, zirconium, and rare earth metals.
Jana, R K
core   +1 more source

Optimalization of the metallurgical synthesis parameters of CuZn37 brass with nickel and silicon alloy additives

open access: yesMetalurgija, 2022
The modifying possibility of the commercial CuZn37 brass (M63) with nickel and silicon is being discussed throughout the article. The proposed alloy additives made it possible to improve the commercial brass properties by precipitation hardening, thus ...
S. Kordaszewski   +6 more
doaj  

Studies of the AA2519 Alloy Hot Rolling Process and Cladding with EN AW-1050A Alloy

open access: yesArchives of Metallurgy and Materials, 2016
The objective of the study was to determine the feasibility of plastic forming by hot rolling of the AA2519 aluminium alloy sheets and cladding these sheets with a layer of the EN AW-1050A alloy.
Płonka B.   +7 more
doaj   +1 more source

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