Results 1 to 10 of about 225,609 (106)

Synthesis and corrosion resistance of Cu-Al-N nanostructured thin films deposited through magnetron sputtering [PDF]

open access: yesMaterials Research Express, 2021
Abstract Cu-Al-N thin films were deposited by means of the unbalanced magnetron cosputtering technique, varying the pulsed DC source power that is associated with the aluminum target. The structural characterization, done through x ray difraction (XRD) and transmition electronic microscopy (TEM), showed that the films were ...
D M Otálora Barrero   +2 more
openaire   +2 more sources

Rotation-Triggered Transmetalation on a Heterobimetallic Cu/Al N-Phosphine-Oxide-Substituted Imidazolylidene Complex [PDF]

open access: yesJournal of the American Chemical Society, 2020
A novel strategy for the preparation of heterobimetallic N-heterocyclic carbene (NHC) complexes is demonstrated using N-phosphine-oxide-substituted imidazolylidenes (PoxIms). In these heterobimetallic Cu/Al complexes, the Cu and Al centers can be either completely separated or brought near each other via the rotation of the N-phosphinoyl group in the ...
Takahiro Asada   +2 more
openaire   +3 more sources

Using microfluidic technology to prepare octogen high-energy microspheres containing copper–aluminum composite particles with enhanced combustion performance

open access: yesMaterials & Design, 2023
Aluminized explosives are widely used in military applications. However, the easy agglomeration of aluminum (Al) powder and its high ignition temperature greatly hinder the reaction of nano aluminum (n-Al) in the process of explosion, thus affecting the ...
Dongxu Zhang   +7 more
doaj   +1 more source

Welding Properties of Dissimilar Al-Cu Thin Plate by a Single-Mode Fiber Laser

open access: yesMetals, 2022
To improve the reliability and safety of the electrical components used in automobiles, Cu and Al have recently been employed as electrodes, wherein lasers were used for rapid welding.
Soon-Jae Lee   +4 more
doaj   +1 more source

Ternary Metal-Alginate-Chitosan Composites for Controlled Uptake of Methyl Orange

open access: yesSurfaces, 2022
Three ternary metal composites (TMCs) with iron nitrate, aluminum nitrate, and copper nitrate (Fe-TMC-N, Al-TMC-N, Cu-TMC-N) were synthesized and their physicochemical properties were investigated.
Bernd G. K. Steiger, Lee D. Wilson
doaj   +1 more source

Preparation of Amine-Modified Cu-Mg-Al LDH Composite Photocatalyst

open access: yesNanomaterials, 2021
Cu-Mg-Al layered double hydroxides (LDHs) with amine modification were prepared by an organic combination of an anionic surfactant-mediated method and an ultrasonic spalling method using N-aminoethyl-γ-aminopropyltrimethoxysilane as a grafting agent. The
Qining Wang   +4 more
doaj   +1 more source

Microstructural characterization, oxidation behavior, and properties of a new Al–Cu–Ni–Mn–Si non-BCC high entropy alloy at 600, 700, and 800 °C

open access: yesJournal of Materials Research and Technology, 2023
Non-BCC high entropy alloys have been created and characterized in their as-cast and oxidized condition. The effect of Si on the microstructures in Al–Cu–Ni–Mn alloy has also been explored. The microstructure remained unaltered by the addition of Si.
Mckenna Mae Lin Hitter, S.K. Varma
doaj   +1 more source

Performance of Cu/ZnO/Al2O3 Catalysts Prepared by Sol–Gel Methods on Methanol Steam Reforming

open access: yesEnergies, 2023
Cu/ZnO/Al2O3 catalysts were prepared for online methanol steam reforming (MSR) using a conventional sol–gel method in this study. The optimal preparation conditions, including the calcination temperature, Cu loading, molar ratio of citric acid to metal ...
Yongsheng Li, Chunhuan Luo, Qingquan Su
doaj   +1 more source

Friction and wear properties of cast aluminum alloy with high Cu content

open access: yesCailiao gongcheng, 2022
Al-Cu alloy samples with 5%-20% (mass fraction) Cu were prepared by die-casting process. The hardness of the samples was measured on a Brinell hardness tester.
WANG Haibo   +3 more
doaj   +1 more source

Analysis of Microstructure and Mechanical Properties of Bi-Modal Nanoparticle-Reinforced Cu-Matrix

open access: yesCrystals, 2021
Bi-modal particles are used as reinforcements for Cu-matrix. Nano TiC and/or Al2O3 were mechanically mixed with Cu particles for 24 h. The Cu-TiC/Al2O3 composites were successfully produced using spark plasma sintering (SPS). To investigate the effect of
Fadel S. Hamid   +5 more
doaj   +1 more source

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