Results 71 to 80 of about 15,132,342 (300)

High Entropy Materials: Challenges and Prospects

, 2021
This book is a reprint of a special issue of Metals (ISSN 2075-4701), titled High Entropy Materials: Challenges and Prospects. It is a compilation of nine articles from different aspects of high-entropy materials.

core   +1 more source

Neurochemical Endpoints to Inform Early‐Stage Trials of Spinocerebellar Ataxia 2 and 3 in a Multisite Setting

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Neurochemical levels measured by brain MR spectroscopy (MRS) have been proposed as endpoints for clinical trials in early‐stage spinocerebellar ataxia (SCA) trials. We tested their trial‐readiness by quantifying neurochemicals in three affected brain regions in early‐stage cohorts of SCA2 and SCA3, examining their reproducibility in ...
James M. Joers, Yaqiao Wei, Dinesh K. Deelchand, Adam Berrington, Young Woo Park, Guita Banan, Michal Povazan, Jens T. Rosenberg, André J. W. van der Kouwe, Tetsuo Ashizawa, Khalaf O. Bushara, Chiadi U. Onyike, Sub H. Subramony, Jeremy D. Schmahmann, Brian J. Soher, Peter B. Barker, Thomas H. Mareci, Eva‐Maria Ratai, Lynn E. Eberly, Gülin Öz   +19 more
wiley   +1 more source

Microstructure Dependence of Magnetic Properties for Al_1.5Fe₃Co₃Cr₁ Multi-Principal-Element Alloy

Metals
This study focuses on the microstructures and soft-magnetic properties of the Al1.5Fe3Co3Cr1 multi-principal-element alloy (MPEA) in different states. The MPEA was prepared using arc melting and suction-casting, followed by various heat treatments.
Shaoheng Sun, Yaxia Qiao, Hao Zhang, Dejun Tu, Guojun Wang, Zhenhua Wang, Qing Wang   +6 more
doaj   +1 more source

Mechanochemical Synthesis and Characterization of Nanostructured ErB4 and NdB4 Rare‐Earth Tetraborides

Advanced Engineering Materials, Volume 27, Issue 6, March 2025.
ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur, Faruk Kaya, Bora Derin, Mustafa Lütfi Öveçoğlu, Ju Li, Duygu Ağaoğulları   +5 more
wiley   +1 more source

Preparation of Tunable Cu−Ag Nanostructures by Electrodeposition in a Deep Eutectic Solvent

ChemElectroChem
The green transition requires new, clean, inexpensive, and sustainable strategies to prepare controllable bimetallic and multimetallic nanostructures. Cu−Ag nanostructures, for example, are promising bimetallic catalysts for different electrocatalytic ...
Elena Plaza‐Mayoral, Kim N. Dalby, Hanne Falsig, Ib Chorkendorff, Paula Sebastián‐Pascual, María Escudero‐Escribano   +5 more
doaj   +1 more source

Composition effects of electrodeposited Cu-Ag nanostructured electrocatalysts for CO2 reduction

iScience
Summary: The electrochemical carbon dioxide reduction (CO2RR) on Cu-based catalysts is a promising strategy to store renewable electricity and produce valuable C2+ chemicals.
Elena Plaza-Mayoral, Valery Okatenko, Kim N. Dalby, Hanne Falsig, Ib Chorkendorff, Paula Sebastián-Pascual, María Escudero-Escribano   +6 more
doaj   +1 more source

Discovering high entropy alloy electrocatalysts in vast composition spaces with multi-objective optimization [PDF]

, 2023
High entropy alloys (HEAs) are a highly promising class of materials for electrocatalysis, as their unique active site distributions break the scaling relations that limit the activity of conventional transition metal catalysts.
Wenbin, Xu, Karsten, Reuter, Elias, Diesen, Tianwei, He, Johannes T., Margraf   +4 more
core   +1 more source

An Overview on Fatigue of High-Entropy Alloys

Materials, 2023
Due to their distinct physical, chemical, and mechanical features, high-entropy alloys have significantly broadened the possibilities of designing metal materials, and are anticipated to hold a crucial position in key engineering domains such as aviation and aerospace.
Hu, Junchao, Li, Xue, Zhao, Qiuchen, Chen, Yangrui, Yang, Kun, Wang, Qingyuan   +5 more
openaire   +2 more sources

Revisiting Stability Criteria in Ball‐Milled High‐Entropy Alloys: Do Hume–Rothery and Thermodynamic Rules Equally Apply?

Advanced Engineering Materials, Volume 27, Issue 6, March 2025.
The stability criteria affecting the formation of high‐entropy alloys, particularly focusing in supersaturated solid solutions produced by mechanical alloying, are analyzed. Criteria based on Hume–Rothery rules are distinguished from those derived from thermodynamic relations. The formers are generally applicable to mechanically alloyed samples.
Javier S. Blázquez, Alejandro F. Manchón‐Gordón, Antonio Vidal‐Crespo, Rafael Caballero‐Flores, Jhon J. Ipus, Clara F. Conde   +5 more
wiley   +1 more source

Achieving synergistic strength-ductility enhancement in a hierarchical hetero-lamellar AlCoCrFeNi2.1 eutectic high-entropy alloy via facile hot-rolling strategy

Materials & Design
Eutectic high-entropy alloys (EHEAs) have attracted considerable interest due to their superior multifunctional performance. However, the inherent tendency of stress concentration at irregular phase boundaries frequently leads to premature fracture. This
Qidong Ren, Tianxin Li, Hengke Xie, Yuhao Jia, Mingpan Wan, Chaowen Huang, Chaoyi Chen, Junqi Li, Yiping Lu   +8 more
doaj   +1 more source