Zobrazeno 1 - 10
of 108
pro vyhledávání: '"Ivani De Souza-Bott"'
Autor:
Amado Cruz-Crespo, Juan A. Pozo-Morejón, Eduardo Valencia-Morales, Ivani De Souza-Bott, Jorge Victor Miguel-Oria
Publikováno v:
Minería y Geología, Vol 38, Iss 2, Pp 132-140 (2022)
This work evaluates the behavior of microstructure in the GMAW of 2205 duplex steels welding for offshore applications. Welding is performed with two input energy levels, 1.5 kJ/mm and 2.5 kJ/mm. Samples from welds for the metallographic analysis by
Externí odkaz:
https://doaj.org/article/d8bb269bd07c475493abe7503edbd5d5
Autor:
Ivani de Souza Bott, Jussara Lopes de Miranda, Luiza Cristina de Moura, Melissa de Moura Fernandez
4th Brazilian Congress on CO2 in the Oil, Gas and Biofuels Industries (4th BCO2 2018)Selected, peer reviewed papers from the 4th edition of the Brazilian Congress on CO2 in the Oil, Gas and Biofuels Industries (4th BCO2), June 28 - 29, 2018, Rio de J
Autor:
Jorge Carlos Ferreira Jorge, Joel Lemos Dias Monteiro, Antonio José de Carvalho Gomes, Ivani de Souza Bott, Luís Felipe Guimarães de Souza, Matheus Campolina Mendes, Leonardo Sales Araújo
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 1, Pp 561-571 (2019)
The development of consumables for welding of high strength steels represents a continuous challenge taking into account the great variety of alloy systems. In this regard, there are many applications, such as offshore structures, where the welding i
Externí odkaz:
https://doaj.org/article/f235b02543884bdda53aa79a2dc56ad5
Autor:
Thiago Rodrigues Carbos, Jorge Carlos Ferreira Jorge, Luís Felipe Guimarães de Souza, Ivani de Souza Bott, Matheus Campolina Mendes
Publikováno v:
Materials Research, Vol 23, Iss 6 (2020)
API 5L X80 steels are widely used in welded pipes in the petroleum industry. However, microstructural changes in the heat affected zone are a concern when welding such pipes due to the potential formation of regions with low toughness. Despite all th
Externí odkaz:
https://doaj.org/article/f1b87750516942c1a1dfcbd75bde204d
Autor:
Rafael de Araujo Silva, Luís Felipe Guimarães de Souza, Eduardo Valencia Morales, Paulo Rangel Rios, Ivani de Souza Bott
Publikováno v:
Materials Research, Vol 18, Iss 5, Pp 908-917 (2015)
AbstractThe main goal this work is to evaluate the occurrence of the constituents and microphases observed in as-received API X80 pipe through the microstructures transformed from rich-carbon remaining austenite obtained via heat treatments. These he
Externí odkaz:
https://doaj.org/article/6c91b371ae654b63af7eaeaf804d6d08
Autor:
Joaquim Pereira Quintela, Elisa J. Kassab, João Arthur F. L. Batalha, Jeferson L. Oliveira, Mario N. Barbosa Junior, Ivani de Souza Bott, Maria Del Pilar Hidalgo Falla
Publikováno v:
Fullerenes, Nanotubes and Carbon Nanostructures. 30:263-274
Functional or smart coatings (organic, inorganic, or hybrid) are formed by materials that can be adapted for many applications where they should be able to perform a well-defined set of functions, ...
Autor:
V. R. dos Santos, L. F. G. de Souza, Ivani de Souza Bott, Leonardo Sales Araújo, Matheus Campolina Mendes, Jorge Carlos Ferreira Jorge, G.M. Evans, João M.A. Rebello
Publikováno v:
Journal of Materials Research and Technology, Vol 10, Iss, Pp 471-501 (2021)
Prediction of impact toughness based on the microstructural characteristics of steel weld metals is complicated due to the innumerous parameters involved. The common practice that associates this property with the microstructure of the last bead of m
Autor:
Jorge Carlos Ferreira Jorge, Matheus Campolina Mendes, Leonardo Sales Araújo, Antonio José de Carvalho Gomes, Luís Felipe Guimarães de Souza, Ivani de Souza Bott
Publikováno v:
Metallography, Microstructure, and Analysis. 8:815-825
The development of new filler metals for offshore industry is challenging because high strength and toughness levels are required after post-welding heat treatment (PWHT) is applied to reduce residual stresses. The higher chromium contents added to t
Autor:
J.A.C. Ponciano, K. Ghavami, J.A. Pozo, L. Olaya, Ivani de Souza Bott, Eduardo Morales, E. Kassab
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 5, Pp 3936-3949 (2019)
Some features of the austenite micro structural evolution have been reviewed at the simulated HAZs (Heat Affected Zones) in a duplex stainless steel. The evolution of the different morphological forms of austenite was quantified in the microstructure
Autor:
Luís Felipe Guimarães de Souza, Leonardo Sales Araújo, Ivani de Souza Bott, Jorge Carlos Ferreira Jorge, G.M. Evans, Matheus Campolina Mendes
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 5, Pp 4659-4671 (2019)
The effect of micro-alloying on the microstructure of C-Mn steel weld metals has been extensively studied in the past and the effect of titanium, in particular, has motivated several investigations, due to its essential contribution to the occurrence