Results 111 to 120 of about 2,888 (228)
Research Status and Progress of All-Position Narrow-Gap GMAW for Pipelines
Applied SciencesDuring the all-position narrow-gap welding process of pipelines, welding defects tend to occur in non-flat welding positions, constraining the quality and efficiency of pipeline construction.
Wenji Liu +4 more
doaj +1 more source
Desenvolvimento de tecnologias no processo MIG/MAG para aumento de produtividade e melhoria da qualidade mediante o uso da polaridade negativa [PDF]
, 2011 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós Graduação em Engenharia Mecânica, Florianópolis. 2011Este trabalho trata do estudo feito sobre a aplicabilidade da polaridade negativa no processo MIG ...
Puhl, Eduardo Bidese
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Microstructure and properties of AH36 steel joints by laser-submerged arc hybrid welding
Hanjie xuebaoThe double-sided welding without groove for 16 mm thick AH36 steel plates was conducted by a laser-submerged arc hybrid welding process. The microstructures and mechanical properties of the laser zone and submerged arc zone of the welded joints were ...
Pengbo WU +6 more
doaj +1 more source
MetalsThis study systematically investigates the behavior of droplet transfer and the characteristics of weld morphology in laser-cable-type welding wire (CWW) arc hybrid welding under varying Ar-CO2 shielding gas compositions, utilizing AH36 shipbuilding ...
Zhidong Yang +7 more
doaj +1 more source
Prospecções da natureza física da soldagem MIG automática de ligas de alumínuio [PDF]
, 2013 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Mecânica, Florianópolis, 2013Como processo de fabricação, a soldagem tem um papel de destaque dentro dos setores naval e ...
Marques, Cleber
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MetalsThe effective welding of a 6 mm thick TA2 pure titanium medium-thickness plate was achieved by laser–arc hybrid welding (LAHW) with helium–argon mixed shielding gas.
Haojie Zhang +5 more
doaj +1 more source
Desenvolvimentos no processo híbrido Plasma-Mig para operações de soldagem e brasagem [PDF]
, 2006 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Mecânica.Avanços no desenvolvimento da tecnologia da soldagem têm ocorrido pela associação de dois processos, formando uma nova ...
Oliveira, Moisés Alves de
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The Morphology of Laser Arc Hybrid Welds
, 2014 This thesis is about formation of surface imperfections formed in welding when using the manufacturing methods of laser welding and laser arc hybrid welding. In hybrid welding a traditional arc welding source and a laser share the same melt pool, making the process even more complex.
openaire +1 more source
Journal of Materials Research and TechnologyThe mechanical properties of aluminum alloy T-joints are critically influenced by the microstructural characteristics and porosity distribution. This study systematically investigated the effects of the laser oscillation frequency from 100 to 300 Hz on ...
Jiahui Zheng +10 more
doaj +1 more source
Parameter Influence in CO2-laser/MIG Hybrid Welding [PDF]
, 2003 Hybrid welding, as the combination of laser beam and arc welding, is an innovative joining technology that has many advantages compared to the single processes.
Engström, Hans +3 more
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