Results 21 to 30 of about 2,869,731 (172)

Development of porous FeCo by liquid metal dealloying: Evolution of porous morphology and effect of interaction between ligaments and melt

Materials & Design, 2019
Liquid metal dealloying is a promising technique for synthesizing non-noble porous materials by preventing oxidation in a metallic melt. This method considers the heats of mixing between precursor elements and a melt element to design miscible and ...
Soo-Hyun Joo, Takeshi Wada, Hidemi Kato
doaj   +1 more source

Hierarchical heterostructured FeCr–(Mg–Mg2Ni) composite with 3D interconnected and lamellar structures synthesized by liquid metal dealloying

Journal of Materials Research and Technology, 2021
Liquid metal dealloying (LMD) has recently attracted significant attention. Because the LMD process enables the production of three-dimensional (3D) interconnected non-noble metallic materials.
Yeon Beom Jeong, Takeshi Wada, Soo-Hyun Joo, Jeong-Min Park, Hyoung Seop Kim, Ilya Vladimirovich Okulov, Ki Buem Kim, Hidemi Kato   +7 more
doaj   +1 more source

Preparation of nanoporous CoCr alloy by dealloying CrCoNi medium entropy alloys

Journal of Materials Research and Technology, 2020
High/Medium entropy alloys (H/MEAs) represent a new strategy for the design of materials with properties superior to those of conventional alloys. Here, we show a new field of application where the uniform mixtures of multiple principal elements in H ...
Longfei Zeng, Chaoping You, Xufeng Cai, Chunming Wang, Xuehui Zhang, Tongxiang Liang   +5 more
doaj   +1 more source

Nanostructured catalysts of the turpentine emulsion polymerization under the influence of potassium persulphate

Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2022
We have revealed the catalytic activity for initiating the water-emulsion turpentine polymerization of some nanostructured materials such as Keplerate type Mo72Fe30 nanocluster polyoxometalate, nanoporous iron and nanoporous composite of intermetallic ...
A.A. Ostroushko, S.Yu. Menshikov, D.A. Rozhentsev, N.K. Tkachev, A.Ya. Golub, M.O. Tonkushina   +5 more
doaj   +1 more source

Research Progress in Preparation and Mechanical Properties of Nanoporous Metals

Journal of Aeronautical Materials, 2018
Nanoporous metals are the of porous metal materials with pore sizes ranging from 0.1-100 nm. Because of its unique porous structure, high specific surface area, and high conductivity, nanoporous metals have wide applications in many fields.
LI Yuanwei, ZHANG Meng, WANG Xiaojian, LI Wei   +3 more
doaj   +1 more source

Porous graphite fabricated by liquid metal dealloying of silicon carbide

Carbon, 2020
Abstract Porous graphite was prepared by dealloying SiC in molten germanium, and then excavating the Ge phase. Dealloying is a technique whereby nanoporous materials are produced via the selective dissolution of one or more components from a homogeneous alloy.
G. Greenidge, J. Erlebacher
openaire   +2 more sources

Chemical-Dealloying-Derived PtPdPb-Based Multimetallic Nanoparticles: Dimethyl Ether Electrocatalysis and Fuel Cell Application

, 2023
In this work, we report a novel multimetallic nanoparticle catalyst composed of Pt, Pd, and Pb and its electrochemical activity toward dimethyl ether (DME) oxidation in liquid electrolyte and polymer electrolyte fuel cells.
Petr Bělský (17499291), Peter Švec (17499303), Haya Kornweitz (1604848), Alex Schechter (1668847), Medhanie Gebremedhin Gebru (17499288), Palaniappan Subramanian (2589463), Sarath Sasi (17499300), Radhey Shyam Yadav (17499294), Rostislav Medlín (4692181), Itay Pitussi (17499297), Jan Minar (3192558)   +10 more
core   +1 more source

Grain boundary effects in high-temperature liquid-metal dealloying: a multi-phase field study

npj Computational Materials, 2023
A multi-phase field model is employed to study the microstructural evolution of an alloy undergoing liquid dealloying, specifically considering the role of grain boundaries.
Nathan Bieberdorf, Mark Asta, Laurent Capolungo   +2 more
doaj   +1 more source

Microstructural pattern formation during liquid metal dealloying: Phase-field simulations and theoretical analyses

, 2022
In recent years, liquid metal dealloying (LMD) has emerged as a promising material processing method to generate micro and nano-scale bicontinuous or porous structures.
Lai, Longhai, Karma, Alain, Geslin, Pierre-Antoine   +2 more
core   +1 more source

Effects of composition ratio of TiCu precursor on dealloying behavior in molten Mg and microstructural characteristics of Mg-Ti composites

Journal of Magnesium and Alloys
Metal composites produced through the liquid metal dealloying (LMD) process feature an advanced matrix-matrix composite structure, where two metallic materials form a continuous, three-dimensional interconnected network.
Jee Eun Jang, Bo Hyun Park, Soo-Hyun Joo, Sung Hyuk Park   +3 more
doaj   +1 more source