Results 31 to 40 of about 45,254 (277)

Particularidades de la transferencia metálica y la aplicación de corriente pulsada en soldadura submarina

open access: yesRevista UIS Ingenierías, 2022
In this work, the types of metallic transfer present in electric arc welding with tubular wire and the main characteristics of the pulsed current technique applied in underwater wet welding are exposed.
Orlando Mauricio Castellanos- Gonzalez   +3 more
doaj   +1 more source

Beneficial use of hyperbaric process conditions on the welding of high-strength low alloy steels

open access: yesScientific Reports, 2022
Hyperbaric welding is used for different steels in many underwater applications as a repair welding process. A difference between wet and dry welding processes can be made.
K. Treutler   +3 more
doaj   +1 more source

Development of oxyrutile low alloy ferritic electrode for wet welding

open access: yesJournal of Materials Research and Technology, 2022
Offshore oil production with floating platforms and FPSO-type production vessels has grown continuously in the last decades. When in service, the structural elements of these vessels draw a maximum depth of about 20 m meters.
V.R. Santos   +6 more
doaj   +1 more source

Perspective of use of expanded polystyrene as an alternative waterproof coating for electrodes used in underwater wet welding

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2012
Underwater wet welding, using shield metal arc welding (SMAW) manual process with coated electrode, is currently the most widely used technique for repair working in underwater wet conditions because its easy maneuverability characteristics. The coating
Lorenzo Perdomo González   +5 more
doaj   +1 more source

The influence of process gas type on the enamel surface condition of a high power diode laser generated single-stage ceramic tile grout seal [PDF]

open access: yes, 2002
Almost all laser materials processing operations require the simultaneous use of an process or assist gas. This paper examines the use of O2, Ar, N2 and He as process gasses during the firing of a vitreous enamel to form a single-stage ceramic tile grout
Edwards, Roger E.   +3 more
core   +1 more source

Effect of Three Treatment Processes on Corrosion Behavior of 280VK Automotive Steel Plate [PDF]

open access: yesCailiao Baohu, 2021
Surface degreasing, oiling and welding are three commonly used treatment processes in production and processing of automobile steels. In order to improve the corrosion resistance of automobile plate surface and prolong its service life, 280VK automobile ...
XU Jie - wang
doaj   +1 more source

Measurement and Analysis of the Diffusible Hydrogen in Underwater Wet Welding Joint

open access: yesMATEC Web of Conferences, 2016
The diffusible hydrogen in steel weldments is one of the main reasons that led to hydrogen assisted cracking. In this paper, the results of literatures survey and preliminary tests of the diffusible hydrogen in underwater wet welding joint were presented.
Kong Xiangfeng   +5 more
doaj   +1 more source

Effect of Carbides in Fe - Cr - C Surfacing Layer on the Wear Resistance of the Layer [PDF]

open access: yesCailiao Baohu, 2022
With the aim of studying the effect of the morphology, distribution, content and hardness of carbides in Fe - Cr - C surfacing layer on the wear resistance of the layer, Fe - Cr - C surfacing layers were prepared on Q355B plates by surfacing welding. The
QIN Lifeng, WU Shengquan, HU Rui, YOU Peilong, LI Yao, SHANG Qiuyue, YANG Yuchao, WENG Fujuan
doaj   +1 more source

Investigation of dissimilar metal welds by energy-resolved neutron imaging [PDF]

open access: yes, 2016
A nondestructive study of the internal structure and compositional gradient of dissimilar metal-alloy welds through energy-resolved neutron imaging is described in this paper.
Feller, Bruce   +5 more
core   +1 more source

Investigation of breaks of the «Sparking» type of brass‑plated wire for metal cord and high‑pressure hoses and the causes of their formation

open access: yesЛитьë и металлургия, 2021
The article examines the breaks of thin brass‑plated wire for metal cord and high‑pressure hoses of the “sparking” type and the causes of their formation.
E. S. Seregina, T. N. Ayupova
doaj   +1 more source

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