Results 121 to 130 of about 1,745,776 (318)

Reduction of Oxide Inclusions During the High‐Frequency Welding of Steel via a Nonthermal Ar/H2 Plasma Jet

open access: yesAdvanced Engineering Materials, EarlyView.
High‐frequency (HF) welding of steel is limited by oxide inclusions that degrade weld quality. This study demonstrates, for the first time, the integration of a nonthermal Ar/H2 dielectric barrier discharge (DBD) plasma jet into HF welding. Local plasma treatment provides effective shielding and in‐situ oxide reduction, resulting in markedly fewer and ...
Viktor Udachin   +4 more
wiley   +1 more source

Hydrogen distribution and redistribution in the weld zone of constructional steels

open access: yes, 1999
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The invention of electric arc welding revolutionized the steel construction industry, but also brought some problems when the welded region has inferior ...
Smith, Richard Dominic
core  

HYDROGEN OVERVOLTAGE. [PDF]

open access: yesJournal of the American Chemical Society, 1919
D A, Macinnes, L, Adler
openaire   +2 more sources

Influence of an Argon/Silane Atmosphere on the Temperature of a Thermal Plasma

open access: yesAdvanced Engineering Materials, EarlyView.
The influence of a silane‐doped argon atmosphere on the chemical composition and temperature of a thermal nontransferring argon plasma is investigated using optical emission spectroscopy. As a result of the high amount of free electrons resulting from the stepwise ionization and dissociation of the silane molecule, even a silane addition of 0.01 vol ...
Lena Kreie   +4 more
wiley   +1 more source

Safety and risk management in nuclear-based hydrogen production with thermal water splitting

open access: yes
The challenges and approaches of the safety and risk management for the hydrogen production with nuclear-based thermochemical water splitting have been far from sufficiently reported, as the thermochemical technology is still at a fledgling stage and the

core  

Handbook of Establishing and Maintaining Oxygen‐Free Atmospheres

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents a practical framework for creating oxygen‐free atmospheres at ambient pressure using silane‐doped inert gases. The results show that ultra‐low oxygen levels and strongly reduced water content can be achieved through controlled silane dosing, drying systems, and sensor monitoring.
Sascha Jan Zimmermann   +3 more
wiley   +1 more source

Sustainable bio-hydrogen production: Assessing economic and environmental implications of a scaled-up industrial bioethanol prototype

open access: yes
This study comprehensively evaluates a bioethanol steam reforming plant in Colombia for green hydrogen (H2) production, sourced from the country's sugar industry.
Rodríguez-Fontalvo D   +2 more
core   +1 more source

Oxide‐Free Titanium Coatings by Wire Arc Spraying in a Silane‐Doped Inert Atmosphere

open access: yesAdvanced Engineering Materials, EarlyView.
A silane‐doped argon atmosphere enables the production of oxide‐free titanium coatings via twin‐wire arc spraying at ambient pressure. This innovative approach eliminates residual oxygen, creating process conditions that prevent oxidation and nitride formation.
Manuel Rodriguez Diaz   +4 more
wiley   +1 more source

A harmonized protocol to assess the single-cell performance of proton exchange membrane water electrolyzers

open access: yesFrontiers in Energy Research
The harmonization of testing protocols for proton exchange membrane (PEM) electrolyzers is essential for ensuring accurate and reliable performance assessments and accelerating the development of hydrogen production technologies. This protocol provides a
Serafina Fortiner   +5 more
doaj   +1 more source

Hydrogen re-embrittlement susceptibility of ultra high strength steels [PDF]

open access: yes, 2005
300M ultra high strength steel has been widely used for over forty years as a structural material in aerospace applications where a high strength is required.
Figueroa-Gordon, Douglas J.
core  

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