Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Sergej Gook"'
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 6, Iss 4, p 84 (2022)
This article presents a cost-effective and reliable method for welding 30 mm thick sheets of shipbuilding steel EH36. The method proposes to perform butt welding in a two-run technique using hybrid laser arc welding (HLAW) and submerged arc welding (
Externí odkaz:
https://doaj.org/article/cb9e6ba0ddf34eb28e30cab6e8d501ac
Autor:
Sergej Gook
Publikováno v:
The Paton Welding Journal. 2022:9-13
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93682fd426c116d9548c65ef9d8dc863
https://doi.org/10.37434/tpwj2022.01.02
https://doi.org/10.37434/tpwj2022.01.02
Autor:
Abdel-Monem El-Batahgy, Mohamed Raafat Elkousy, Ahmed Abd Al-Rahman, Andrey Gumenyuk, Michael Rethmeier, Sergej Gook
Publikováno v:
Materials; Volume 15; Issue 23; Pages: 8538
Motivated by the loss of tensile strength in 9%Ni steel arc-welded joints performed using commercially available Ni-based austenitic filler metals, the viability of retaining tensile strength using an experimentally produced matching ferritic filler
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1e4f6269977361de8307afa8b82bf0b
https://publica.fraunhofer.de/handle/publica/430010
https://publica.fraunhofer.de/handle/publica/430010
Autor:
A. Saiyah, Sergej Gook, Abdel-Monem El-Batahgy, Andreas Gumenyuk, Michael Rethmeier, S. Khafagi
Publikováno v:
Science and Technology of Welding and Joining. 26:116-122
Motivated by the tensile strength loss of 9%Ni steel arc welded joints made using Ni-based austenitic filler metals, the feasibility of maintaining the tensile strength using matching ferritic fill...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b0f46e46e3130706fcab1059147d3ec
https://doi.org/10.1080/13621718.2020.1846936
https://doi.org/10.1080/13621718.2020.1846936
Publikováno v:
Procedia CIRP. 94:676-679
The study deals with the application of the high-power hybrid-laser arc welding process on up to 15 mm thick pipe segments with the intention to avoid end crater imperfections during closing of the circumferential welds, where the pipes were turned d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2b4b3adeeeca50d1227258ce8b7e977
https://doi.org/10.1016/j.procir.2020.09.106
https://doi.org/10.1016/j.procir.2020.09.106
Publikováno v:
Procedia CIRP. 94:627-631
The paper deals with the investigations of the impact toughness of laser beam welded 14.5 mm thick sheets made of cryogenic steel X8Ni9 as a function of preheating. This 9% nickel alloyed steel is widely used in the liquefied natural gas (LNG) indust
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::067fbfdc3fc9fc8325afaaeda13402c3
https://doi.org/10.1016/j.procir.2020.09.095
https://doi.org/10.1016/j.procir.2020.09.095
It is already known that the laser beam welding (LBW) or hybrid laser-arc welding (HLAW) processes are sensitive to manufacturing tolerances such as gaps and misalignment of the edges, especially at welding of thick-walled steels due to its narrow be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90b8a22f34df40a97120cf423f542bc5
https://depositonce.tu-berlin.de/handle/11303/16449
https://depositonce.tu-berlin.de/handle/11303/16449
Publikováno v:
Welding in the World. 64:407-417
The present work deals with the development of a strategy for the prevention of end crater defects in high-power laser welding of thick-walled circumferential welds. A series of experiments were performed to understand the influence of the welding pa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c675b08b14d3acfd2d7d6ba6e4f1d306
https://doi.org/10.1007/s40194-019-00841-x
https://doi.org/10.1007/s40194-019-00841-x
Publikováno v:
Procedia Manufacturing. 36:112-120
The presented study deals with the performing and mechanical testing of single pass hybrid laser-arc welds (HLAW) on 25 mm thick plates made of steel grade S355J2. One of the challenges have to be solved at full penetration HLAW of thick plates is th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73313c1d221a34692232af7c9be97962
https://doi.org/10.1016/j.promfg.2019.08.016
https://doi.org/10.1016/j.promfg.2019.08.016
Publikováno v:
Global Nuclear Safety. 13:47-57
Recently developed fibre lasers provide multi-kilowatt beam power with high quality at impressive energy efficiency. Combined with gas metal arc welding (GMAW) equipment these lasers can be used in a hybrid process to weld thick-walled constructions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb3196f1439ec762ade2d3478719f2e4
https://doi.org/10.26583/gns-2018-01-05
https://doi.org/10.26583/gns-2018-01-05