Results 31 to 40 of about 3,844 (218)

A novel strategy to prevent hydrogen charging via spontaneously molten-slag-covering droplet transfer mode in underwater wet FCAW

open access: yesMaterials & Design, 2023
Underwater wet welding is widely used in offshore platform maintenance, oil pipeline repair and wreck salvage operations. A high diffusible hydrogen content is recognized as one of the critical reasons behind the reduction in the reliability of ...
Ning Guo   +5 more
doaj   +1 more source

Development and Study of Hard-Facing Materials on the Base of Heat-Resisting High-Hardness Steels for Plasma-Jet Hard- Facing in Shielding-Doping Nitrogen Atmosphere [PDF]

open access: yes, 2016
The authors develop hard-facing materials on the base of heat-resisting highhardness steels for plasma-jet hard-facing in nitrogen atmosphere for manufacturing parts of mining and metallurgic equipment which significantly simplify the production process ...
Borovikov, I. F.   +4 more
core   +2 more sources

Experimental Investigation of EN24 Steel Properties by Varying Flux Core Arc Welding Parameters

open access: yesChemical Engineering Transactions, 2018
Different type of welding used in joining the metals plays a major role in determining the change in properties. This research is about the after-effects of flux cored arc welding on EN 24 steel.
Palanivendhan Murugadoss   +3 more
doaj   +1 more source

Investigation on the Metal Transfer and Cavity Evolution during Submerged Arc Welding with X-ray Imaging Technology

open access: yesMetals, 2023
The physical phenomena of submerged arc welding (SAW) conducted with a 1.6 mm flux-cored wire were investigated using X-ray imaging technique. Three kinds of metal transfer modes were confirmed in this paper, namely the front flux wall-guided droplet ...
Yanfei Han   +5 more
doaj   +1 more source

Mechanized arc welding of relit-cupronickel composite material

open access: yesMATEC Web of Conferences, 2017
Powder-coated tape electrodes (powder-coated tapes) are used for doped and composite alloys welding. Using powder-coated tape for welding of wear-resistant alloys is stipulated by a number of factors in comparison with using electrodes for manual arc ...
Quran Firas Al   +3 more
doaj   +1 more source

Weld Quality Analysis of High-Hardness Armored Steel in Pulsed Gas Metal Arc Welding

open access: yesMetals, 2023
As improving fuel economy and performance through weight reduction in vehicles are recognized as important tasks, the defense industry is researching ways to reduce the weight of armor plates for combat vehicles and increase bulletproof performance and ...
Hwi Jun Son   +5 more
doaj   +1 more source

Analysis of the Retailoring Methods and the Workability of Deposited Surfaces [PDF]

open access: yes, 2016
This work is devoted to the conduction of the analysis of methods and means of retailoring of parts in the conditions of technical repair facilities as well as of the workability of deposited surfaces.
Abdrasulov, K. A.   +3 more
core   +1 more source

The Viscosity of Carbonate‐Silicate Transitional Melts at Earth's Upper Mantle Pressures and Temperatures, Determined by the In Situ Falling‐Sphere Technique

open access: yesGeophysical Monograph Series, Page 223-236., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Vincenzo Stagno   +5 more
wiley  

+1 more source

Structure and Properties of Coatings Made with Self Shielded Cored Wire

open access: yesArchives of Foundry Engineering, 2016
The welding technologies are widely used for design of protection layer against wear and corrosion. Hardfacing, which is destined for obtaining coatings with high hardness, takes special place in these technologies.
Gucwa M.   +3 more
doaj   +1 more source

Study of Microstructure and Corrosion Behavior of AH36 FSW Welds and HSLA S690 ARC Weld [PDF]

open access: yes, 2017
Εθνικό Μετσόβιο Πολυτεχνείο--Μεταπτυχιακή Εργασία. Διεπιστημονικό-Διατμηματικό Πρόγραμμα Μεταπτυχιακών Σπουδών (Δ.Π.Μ.Σ.) “Ναυτική και Θαλάσσια Τεχνολογία και ...
Boutsali, Vasiliki   +1 more
core   +1 more source

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