Results 81 to 90 of about 79,773 (299)

Hydrogen production by methanol steam reforming on NiSn/MgO-Al 2O3 catalysts: The role of MgO addition [PDF]

open access: yes, 2011
The effect of the magnesia loading on the surface structure and catalytic properties of NiSn/MgO-Al2O3 catalysts for hydrogen production by methanol steam reforming has been investigated. The catalysts have been obtained by impregnation of γ-Al2O3 by the
Bobadilla Baladrón, Luis Francisco   +7 more
core   +1 more source

Low‐Cost, Large‐Scale Nanoporous Metals by Mechanical Alloying, Oxide Reduction, and Dealloying of Powders

open access: yesAdvanced Engineering Materials, EarlyView.
Powder metal processing provides scalable advantages in nanoporous (np) metal development. Mechanical alloying is used to produce unique precursors for hybrid nanopore formation by oxide reduction and dealloying. As demonstrated in np Ag, this approach improves process efficiency while promoting smaller ligaments and larger pores, both of which are ...
Mark A. Atwater, Oliver A. Fowler
wiley   +1 more source

On the Lightweight Potential of Laser Additive Manufactured NiTi Triply Periodic Minimal Sheet Lattices

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores the lightweight potential of laser additive‐manufactured NiTi triply periodic minimal surface sheet lattices. It systematically investigates the effects of relative density and unit cell size on surface quality, deformation recovery, compression behavior, and energy absorption.
Haoming Mo   +3 more
wiley   +1 more source

A non-nucleophilic electrolyte based on all-inorganic salts with conditioning-free characteristic for rechargeable magnesium batteries

open access: yesJournal of Magnesium and Alloys
Conditioning-free electrolytes with high reversibility of Mg plating/stripping are of vital importance for the commercialization of the superior rechargeable magnesium batteries (RMBs). In the present work, a non-nucleophilic electrolyte (denoted as MLCH)
Jiaxin Wen   +7 more
doaj   +1 more source

Use of reversible hydrides for hydrogen storage [PDF]

open access: yes
The addition of metals or alloys whose hydrides have a high dissociation pressure allows a considerable increase in the hydrogenation rate of magnesium. The influence of temperature and hydrogen pressure on the reaction rate were studied.
Darriet, B., Hagenmuller, P., Pezat, M.
core   +1 more source

Passivation of magnesium alloys [PDF]

open access: yes, 2008
Přehled hořčíkových slitin a jejich vlastností. Přehled metalografických metod. Optimalizace metalografického leptání hořčíkových slitin.Review of magnesium alloys, review of metallopgraphy techniques.
Tkacz, Jakub
core  

Microstructure control during twin roll casting of an AZ31 magnesium alloy [PDF]

open access: yes, 2012
The existing twin roll casting technique for magnesium alloys suffers heterogeneity in both microstructure and chemistry and downstream processing is required to improve the strip quality, resulting in cost rise.
Ferry M, I Bayandorian, Y Huang, Z Fan
core   +1 more source

Electrochemical Evaluation of Compressed Selective Laser Melted AlSi7Mg and AlSi10Mg Alloys in Chloride Environment

open access: yesAdvanced Engineering Materials, EarlyView.
The corrosion performance of AlSi7Mg and AlSi10Mg alloys produced through selective laser melting (SLM) was examined under compressive stress in a chloride environment. Electrochemical analyses, including open‐circuit potential (OCP), potentiodynamic polarization (CPP), and electrochemical impedance spectroscopy (EIS), were complemented by scanning ...
Femi John Akinfolarin   +2 more
wiley   +1 more source

Unveiling the formation of gradient microstructure in the magnesium alloy sheet fabricated via turned-bearing extrusion

open access: yesJournal of Materials Research and Technology
On certain occasions, such as bending, a sheet with gradient microstructure may present higher formability compared to one with uniform microstructure.
Lintao Liu   +9 more
doaj   +1 more source

Local and global electrochemical impedances applied to the corrosion behaviour of an AZ91 magnesium alloy [PDF]

open access: yes, 2009
The electrochemical behaviour of an AZ91 magnesium alloy was investigated in a low aggressive medium by means of local and global electrochemical impedance measurements. The results were compared to those obtained on a pure magnesium sample.
Galicia, Gonzalo   +3 more
core   +2 more sources

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