Results 171 to 180 of about 3,590 (214)

Numerical analysis of molten pool behavior during underwater wet FCAW process

Journal of Manufacturing Processes, 2018
Abstract Underwater wet flux-cored arc welding is a candidate method for onsite fabrication and maintenance of underwater structures. For a systematic understanding of physical mechanisms of this welding process, transient three-dimensional CFD models encompassing the effects of slag and underwater environment on heat and mass transfer within the ...
Bo Zhao, Ji Chen, ChuanSong Wu
exaly   +2 more sources

Hyperbaric welding by the FCAW process

Welding International, 1993
Summary The present work is part of a research project aiming at full implementation of robots for underwater welding at great depths (beyond 600 m). This study discusses preliminary results from basic investigations on the weld metal microstructures and toughness of the flux‐cored C‐Mn‐1% Ni wire used for welding under hyperbaric conditions. Under the
J F Dos Santos, P Szelagowski, H‐G Schafstall   +2 more
openaire   +1 more source

Semiautomatic FCAW for Submarine Pipeline Girth Welds

Offshore Technology Conference, 1987
ABSTRACT A development project was undertaken to explore methods for increasing quality and productivity during lay barge welding of offshore submarine pipelines. Semiautomatic flux cored arc welding (FCAW) was identified as a process which is capable of achieving both these goals.
W.T. Smoot, R.A. Teale, J.J. Trotter
openaire   +1 more source

FCAW process optimization using the multivariate mean square error

Welding International, 2012
Optimization of welding processes is not a trivial task, mainly due to the great number of required and desirable characteristics that must be analysed. Moreover, the optimization of a welding process with multiple characteristics without considering the variance–covariance structure may lead to inadequate optimum.
Emerson Jose de Paiva, Lucilene de Oliveira Rodrigues, Sebastiao Carlos da Costa, Anderson Paulo de Paiva, Pedro Paulo Balestrassi   +4 more
openaire   +1 more source

Characteristics of inclusions in rutile-type FCAW weld metal

Welding in the World, 2012
The morphological and chemical nature of the inclusions in flux cored arc welding (FCAW) weld metal of E71T-1 grade were analyzed in SEM/TEM/scanning transmission electron microscope (STEM) equipped with energy-dispersive X-ray (EDX) to understand the sequence of inclusion formation and to verify the absence of the Mn-depleted region in close proximity
Jun Seok Seo, Ka Hee Kim, Hee Jin Kim, Changhee Lee   +3 more
openaire   +1 more source

Effective dose in SMAW and FCAW welding processes using rutile consumables

Journal of Radiological Protection, 2013
The shielded metal arc welding (SMAW) and flux cored arc welding (FCAW) processes use covered electrodes and flux cored wire as consumables. Among these consumables, ones containing rutile are the most widely used, and since they have a considerable natural radioactive content, they can be considered as NORM (naturally occurring radioactive material ...
M, Herranz, S, Rozas, R, Idoeta, N, Alegría   +3 more
openaire   +2 more sources

Bead characterization of FCAW of a rutilic fluxed core wire

Welding International, 2011
This paper studies the effect of operational conditions on bead shape characteristics in fluxed core arc welding with a Brazilian-made wire with rutilic flux (ASME SFA-5.20: E71T-1/E71T-9/E71t-9M) of 1.2 mm in diameter. Bead-on-plate downhand welding trails were performed on 12 mm-thick low-carbon steel plates with a constant voltage power supply.
Cícero Murta Diniz Starling, Paulo J. Modenesi, Tadeu Messias Donizete Borba   +2 more
openaire   +1 more source

Superficial Residual Stresses Created by The FCAW Process

1989
In this report simerficial residual stresses perforaed by the veldinq operations are analized. The base plate are ferritic C/Mn steels (structural steel), and they are velded by FCAU. Some veld procedures and PVHT are been employed, in order to obtain industrial velding conditions.
Andres Gil, Negrete Santiago, Sanchez Beitia, Inashet-B. Igara   +3 more
openaire   +1 more source

Evaluation of FCAW Consumables for Offshore and Arctic Structure Fabrication

Journal of Offshore Mechanics and Arctic Engineering, 1993
A primary consideration in the welding of structures for service in Canadian offshore and arctic regions is the toughness of weld metals required at very low ambient temperatures (−30°C to −60°C). To assess the suitability of cored wires for applications in these environments, some currently available commercial consumables for the flux-cored arc ...
S. R. Bala, L. Malik, J. E. M. Braid
openaire   +1 more source

Influence of FCAW process parameters in super duplex stainless steel claddings

Materials Today: Proceedings, 2020
Abstract Flux cored arc welding (FCAW) is preferred in cladding process due to its augmented efficiency and higher deposition rate. In this research work, to investigate the interaction effect between process parameters of flux cored arc welding on hardness and bead geometry of cladded plate on super duplex stainless steel.
G. Sathish Kumar, S. Saravanan, A.V. Balan, J. Oscar, R. Ragunath, M. Ramesh   +5 more
openaire   +1 more source