2020
DOI: 10.1590/0104-9224/si25.11
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Adição de TiO2, CaCO3 e CaF2 Como Componentes do Fluxo de Arames Tubulares para a Formação de TiC

Abstract: Resumo: A versatilidade dos processos de soldagem com a utilização de fluxos é atribuída principalmente a grande variedade de elementos possíveis nas formulações, principalmente nos processos com a utilização de arames tubulares. Contudo, cada componente do fluxo é selecionado criteriosamente de acordo com a função a ser exercida durante todo o processo, gerando efeitos na transferência metálica, na formação e solidificação da poça de fusão. O presente trabalho investigou a soldagem de arames tubulares do tipo… Show more

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Cited by 1 publication
(2 citation statements)
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“…Of the different surfacing techniques, hardface welding has the greatest mobility, process flexibility, and thickness-building ability [ 38 ]. The following welding techniques are widely implemented in practice [ 39 , 40 ]: shielded metal arc welding (SMAW) [ 41 , 42 ], gas tungsten arc welding (GTAW [ 43 , 44 ] or TIG) [ 45 , 46 ], gas metal arc welding (GMAW or MIG), submerged arc welding (SAW), manual metal arc welding (MMA or MMAW) and flux-cored arc welding (FCAW) [ 2 , 14 , [47] , [48] , [49] , [50] , [51] ]. Self-shielded flux-cored wires arc welding (FCAW–S) is more environmentally friendly and more energy efficiency [ 52 ], higher productivity, high quality of the deposited metal, high deposition rate, arc visibility [ 41 , 48 , 49 ].…”
Section: Introductionmentioning
confidence: 99%
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“…Of the different surfacing techniques, hardface welding has the greatest mobility, process flexibility, and thickness-building ability [ 38 ]. The following welding techniques are widely implemented in practice [ 39 , 40 ]: shielded metal arc welding (SMAW) [ 41 , 42 ], gas tungsten arc welding (GTAW [ 43 , 44 ] or TIG) [ 45 , 46 ], gas metal arc welding (GMAW or MIG), submerged arc welding (SAW), manual metal arc welding (MMA or MMAW) and flux-cored arc welding (FCAW) [ 2 , 14 , [47] , [48] , [49] , [50] , [51] ]. Self-shielded flux-cored wires arc welding (FCAW–S) is more environmentally friendly and more energy efficiency [ 52 ], higher productivity, high quality of the deposited metal, high deposition rate, arc visibility [ 41 , 48 , 49 ].…”
Section: Introductionmentioning
confidence: 99%
“…According to research, an introduction of exothermic addition in the core filler is an effective measure to improve the uniformity of flux-cored wire melting [ 48 , 117 , 118 ]. Besides, the introduction of an exothermic addition increases the deposition rate [ 49 ], improves the morphology of the weld bead [ 51 , 119 ], arc process efficiency [ 119 ] and the hardfacing process stability [ 120 ]. Тrembach et al [ 49 ] determined that the introduction of exothermic addition (CuO–Al) of to the core filler had a significant effect on such indicators of the weld bead morphology, microstructure and mechanical properties [ 87 , [121] , [122] , [123] ].…”
Section: Introductionmentioning
confidence: 99%