Buscar
Mostrando ítems 11-20 de 123
Estudo da variação da porosidade ao longo do cordão em soldas subaquáticas molhadas
(Universidade Federal de Minas GeraisUFMG, 2007-04-27)
There are many constructions projected and executed to satisfy the most diverse necessities of the human production around the world. A significant parcel of these structures is immersed in aquatic environments, mainly ...
Avaliação da influência da polaridade da corrente de soldagem na taxa de fusão dos eletrodos revestidosEvaluation of the influence of welding current polarity on the melting rate of the covered electrodes
(Universidade Federal de UberlândiaBrasilEngenharia Mecânica, 2019)
Caracterização de revestimento de 410 NiMo utilizando processo de eletrodo revestido
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2017-06-14)
The turbine blades of hydroelectric plants are generally composed by martensitic steels, which are characterized by high hardness and resistance. Over time, it occurs detrition which results in pores and cracks that need ...
Influência da corrente elétrica e recozimento em juntas soldadas por eletrodo revestido de aço 316L
(Universidade Tecnológica Federal do ParanáGuarapuavaBrasilEngenharia MecânicaUTFPR, 2019-07-17)
Stainless steels are present in many industrial sectors, due to the fact that their corrosion resistance characteristics allow the application of this metal on environments that would be harmful to other types of materials. ...
Soldagem de revestimento utilizando o processo de eletrodo revestido com aço inoxidável 310
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2017-11-30)
Corrosion is the gradual wear of anything that undergoes chemical and/or physical transformation, resulting from an interaction with the environment. A fifth of the world's steel production is destined to restore losses ...
Estudo da soldagem por eletrodo revestido utilizando o aço 308L e a técnica cold wire
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2017-11-29)
Carbon steel coatings with stainless steel have been widely used in many chemical, petrochemical and nuclear products. The ability to join two different metals in both properties and cost allows the creation of parts that ...
Análise do revestimento de 410NiMo depositado pelo processo de soldagem por eletrodo revestido contra o desgaste por riscamento
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2018-06-26)
The 410MiNo is used in repairs by the welding process on metals that have been worn by the cavitation of water, steam and the marine atmosphere. Its coating is applied in hydroelectric turbines, rotors and pump housing, ...
Revestimento pelo processo eletrodo revestido com aço inoxidável 308L
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2017-11-24)
One of the most efficient ways of improving surface properties of parts and components of industrial equipment has been, over time, the application of coatings. The large amount of available materials that can be applied ...
Estudo sobre o correlacionamento do fenômeno das bolhas, sinais elétricos e metal de solda na soldagem subaquática molhada com eletrodos revestidos
(Universidade Federal de Minas GeraisUFMG, 2012-08-02)
The bubble phenomenon in the underwater wet welding is very important in the welds final quality. A good understanding of the formation and collapse of the bubbles with the knowledge of the welding parameters behavior along ...