Results 31 to 40 of about 39,928 (301)

Nanoporous Nonprecious High‐Entropy Alloys as Multisite Electrocatalysts for Ampere‐Level Current‐Density Hydrogen Evolution

Small Structures, 2023
Developing robust nonprecious metal‐based electrocatalysts toward hydrogen evolution reaction is crucial for large‐scale hydrogen production via electrochemical water splitting.
Hang Shi, Xin-Ying Sun, Shu-Pei Zeng, Yang Liu, Gao-Feng Han, Tong-Hui Wang, Zi Wen, Qian-Rong Fang, Xing-You Lang, Qing Jiang   +9 more
doaj   +1 more source

Gradient Enhanced Strain Hardening and Tensile Deformability in a Gradient-Nanostructured Ni Alloy

Nanomaterials, 2021
Gradient-nanostructured material is an emerging category of material with spatial gradients in microstructural features. The incompatibility between gradient nanostructures (GNS) in the surface layer and coarse-grained (CG) core and their roles in extra ...
Xinlai An, Weikang Bao, Zuhe Zhang, Zhouwen Jiang, Shengyun Yuan, Zesheng You, Yong Zhang   +6 more
doaj   +1 more source

Nanostructures in Ti processed by severe plastic deformation [PDF]

, 2003
Metals and alloys processed by severe plastic deformation (SPD) can demonstrate superior mechanical properties, which are rendered by their unique defect structures.
Alexandrov, Brandes, Cottrell, E. Ma, Hecker, Hertzberg, Hinds, Honeycombe, J. Gubicza, J. Y. Huang, Liu, Meyers, Parker, Petch, Prangnell, R. Z. Valiev, Stolyarov, T. Ungár, Wilkens, Y. M. Wang, Y. T. Zhu   +20 more
core   +1 more source

Friction and Wear Resistance of Nanostructured TiNi Shape Memory Alloy

Metals
TiNi shape memory alloys with a superelastic effect are widely used in tribological interfaces requiring high wear resistance. One of the common approaches to reducing the wear of various metals is the application of severe plastic deformation (SPD ...
Alexandr Dmitrievskiy, Victor Komarov, Roman Karelin, Vladimir Andreev, Vladimir Stolyarov   +4 more
doaj   +1 more source

Nanoengineered chiral Pt-Ir alloys for high-performance enantioselective electrosynthesis

Nature Communications, 2021
Tremendous efforts have been made over the past decades regarding the development of materials with enantioselective properties. Here, the authors present a nanostructured chiral imprinted metal alloy that exhibits high enantioselectivity and stability ...
Sopon Butcha, Sunpet Assavapanumat, Somlak Ittisanronnachai, Veronique Lapeyre, Chularat Wattanakit, Alexander Kuhn   +5 more
doaj   +1 more source

Decomposition process in a FeAuPd alloy nanostructured by severe plastic deformation

, 2008
The decomposition process mechanisms have been investigated in a Fe50Au25Pd25 (at.%) alloy processed by severe plastic deformation. Phases were characterized by X-ray diffraction and microstructures were observed using transmission electron microscopy ...
A. Chbihi, A. G. Popov, AV Korznikov, D Turnbull, D. Gunderov, E Ma, E Ma, E. V. Belozerov, EO Hall, I Sabirov, NJ Petch, R Valiev, RZ Valiev, S Cheng, S Saito, X Sauvage, X Sauvage, X Sauvage, X. Sauvage   +18 more
core   +4 more sources

Electrically Guided DNA Immobilization and Multiplexed DNA Detection with Nanoporous Gold Electrodes. [PDF]

, 2018
Molecular diagnostics have significantly advanced the early detection of diseases, where the electrochemical sensing of biomarkers (e.g., DNA, RNA, proteins) using multiple electrode arrays (MEAs) has shown considerable promise.
Daggumati, Pallavi, Li, Zidong, Seker, Erkin, Veselinovic, Jovana   +3 more
core   +3 more sources

Contribution to Improvement of Fatigue Properties of Zr-4 Alloy: Gradient Nanostructured Surface Layer versus Compressive Residual Stress

Nanomaterials, 2021
The gradient nanostructured (GNS) layer forms beneath the surface of Zr-4 samples by the surface mechanical grinding treatment (SMGT) process, which increases the fatigue strength apparently due to the synergistic effect of the gradient nanostructured ...
Donghui Geng, Qiaoyan Sun, Chao Xin, Lin Xiao   +3 more
doaj   +1 more source

Easy and green route towards nanostructured ZnO as active sensing material with unexpected H2S dosimeter-type behaviour [PDF]

, 2019
Nanostructured ZnO particles were prepared through a straightforward, quick and low\u2010temperature synthesis route involving coprecipitation of the metal precursor salts with oxalic acid, followed by hydrothermal treatment at 135 or 160 \ub0C.
Ahn, Anderson, Aono, Bayoumi, Briggs, Byrappa, Bøjesen, Chandra, Chen, Chen, Dem′yanets, Diodati, Diodati, Djurisic, Dolcet, Dolcet, Donahue, Einarsrud, Famengo, Gan, Geupel, Gomez, Han, Heiland, Heiland, Hennemann, Hennemann, Hennemann, Hou, Huang, Inoue, Jiang, Jin, Kakihana, Kansal, Kim, Kim, King, Klingshirn, Kumar, Leonardi, Lessing, Li, Lu, Ludi, Lupan, Lábár, Lábár, Lábár, Lábár, Mahmoud, Marr, Marr, Miller, Mirzaei, Modeshia, Morkoç, Moulder, Neveux, Panda, Pandey, Park, Pearton, Pipatmanomai, Rabenau, Raju, Salavati-Niasari, Schieder, Schubert, Segal, Seitz, Sharma, Shirley, Song, Spanhel, Spanhel, Suryanarayanan, Wagner, Wang, Wang, Wang, Wang, Wang, Wellinger, Wu, Xiao, Xu, Yu, Zhang, Zhang, Zhao, Özgür   +91 more
core   +1 more source

Influence of electrical parameters on morphology of nanostructured TiO2 layers developed by electrochemical anodization

MATEC Web of Conferences, 2017
Ti6Al4V alloy micro rough surfaces with TiO2 self-organized nanostructured layers were synthesized using electrochemical anodization in phosphate/fluoride electrolyte, at different end potentials (5V, 10V, 15V, and 20 V).
Strnad Gabriela, German-Sallo Zoltan, Jakab-Farkas Laszlo, Petrovan Cecilia, Portan Diana   +4 more
doaj   +1 more source