Avaliação de Revestimentos de Liga de Níquel 625 Depositados pelo Processo Eletroescória

Sandes, Soraia Simões; Alvarães, Camila Pereira; Mendes, Matheus Campolina; Araújo, Leonardo Sales; Souza, Luís Felipe Guimarães de; Jorge, Jorge Carlos Ferreira

doi:10.1590/0104-9224/si2104.03

Cited by 11 publications

(5 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Considering the above discussed, associated with the results obtained by EDS analysis (Table 5) and the findings of many other authors [3,8,12,23,39,40,[43][44][45][46], it seems reasonable to point out the very low proportion of secondary phases observed in the present work (Table 6) as Laves phase rich in Mo and Nb and Nb carbides.…”

Section: Resultssupporting

confidence: 84%

“…Particularly in regard to the nickel-based superalloy Inconel-625, some works [2,10,46,56] studying the effect of PWHT for temperatures between 600°C and 700°C did not observe considerable changes on the microstructure and mechanical properties of weld metal, as observed in the present work. At the heat affected zone (HAZ), PWHT promoted the tempering of martensite with the consequent reduction of hardness at CGHAZ ( Figure 6).…”

Section: Condition Phase Fraction Of Secondary Phases (%)supporting

confidence: 62%

“…The results showed in Table 4, confirm that all requirements are achieved, as well as they do not show significant differences for the conditions considered in this work. Basically, this behavior can be attributed to the association of low dilution ( < 10%), and Fe content inferior to 5% at 3.0 mm from fusion line ( Table 7 and Figure 10), which is the recommended minimum thickness required for weld overlay applied in corrosive hydrocarbon systems [7,8,15,18,46,61,62]. In addition, these results are in accordance to other works [17,46,60,63], which states that satisfactory corrosion results are obtained when welding parameters and dilution are controlled.…”

Section: Condition Phase Fraction Of Secondary Phases (%)mentioning

confidence: 99%

See 2 more Smart Citations

Performance of the INCONEL 625 alloy weld overlay obtained by FCAW process

et al. 2019

Self Cite

View full text Add to dashboard Cite

Nickel-based weld overlays (cladding) are commonly used in oil & gas industry to extend the life of equipment under corrosive environment, as it improves the corrosion resistance without a significant increase in the manufacturing cost, when compared to a full nickel-based alloy equipment. Although there are extensive literature involving overlays applied by SMAW, GMAW or GTAW processes, works about the use of FCAW process are limited. Consequently, an investigation of the performance of the overlays deposited by this process, which provides a higher productivity in comparison to the processes usually used, can be an interesting option for this application. The present work evaluates the mechanical and microstructural properties of the nickel-based superalloy 625 weld overlay deposited on a ASTM A516 Grade 70 carbon steel plate by the flux cored arc welding process (FCAW), both in as welded and heat treated conditions. Bending and microhardness tests were performed in order to verify possible effects of welding thermal cycles on the mechanical properties. The microstructure was evaluated through both optical (OM) and scanning electron microscopy (SEM), with the use of electron backscatter diffraction (EBSD) technique. Corrosion tests were conducted on samples removed from the top layer of the weld overlay according to ASTM G 48 Method A. All results obtained with this welding process, in both as welded and heat treated samples, were considered satisfactory.

show abstract

Section: Resultssupporting

confidence: 84%

Section: Condition Phase Fraction Of Secondary Phases (%)supporting

confidence: 62%

Section: Condition Phase Fraction Of Secondary Phases (%)mentioning

confidence: 99%

See 1 more Smart Citation

Performance of the INCONEL 625 alloy weld overlay obtained by FCAW process

et al. 2019

Self Cite

View full text Add to dashboard Cite

show abstract

“…Nickel-based alloys are widely used in various areas of industry, such as chemical, petrochemical, nuclear reactors, warfare, aerospace, food processing devices, and steel production facilities, due to an association of high mechanical strength, good corrosion resistance, and weldability. The performance of these alloys is associated with the face-centered cubic structure of the matrix, which can be hardened by solid solution or by precipitation of intermetallic compounds [1].…”

Section: Introductionmentioning

confidence: 99%

Spark Plasma Sintering of NiCrSiBC Alloys

Silva¹,

Azevedo²,

Matlakhova³

et al. 2023

New Advances in Powder Technology

View full text Add to dashboard Cite

Nickel-based alloys of the NiCrSiBC system (colmonoy alloys) are normally deposited on stainless-steel substrates for coating applications, once they present high resistance to wear and corrosion at high temperatures. Typically, deposition occurs through welding processes, such as PTA (plasma transferred arc) or laser cladding. This study mainly aims to evaluate the effectiveness of the spark plasma sintering (SPS) process through the evaluation of the sintered body density, and structural and microstructural analysis of the Colmonoy-5. SPS sintering occurred at 900°C under 50 MPa for 15 minutes. Powder morphology was evaluated by confocal microscopy. The sintered samples were evaluated according to their density (Archimedes’ method), phase composition, microstructure, and hardness (Vickers hardness). Results showed that the Colmonoy-5 alloy can be effectively produced through SPS sintering, reaching densification above 90%. Microstructural analysis showed that there was the formation of hardening phases, such as borides and chromium carbides. The same phases are found in colmonoy alloys deposited on the stainless-steel substrate.

show abstract

“…A deposição foi com camada única e o revestimento apresentou boas propriedades mecânicas e de resistência à corrosão. O tratamento térmico de alívio de tensões não promoveu grandes mudanças nas propriedades do revestimento e o teor de Fe foi inferior aos 5%[40].…”

unclassified

Estudo do revestimento por soldagem de inconel 625® sobre aço com 9% Ni.

Junior¹,

Prado²

View full text Add to dashboard Cite

Primeiramente ao criador do céu e da terra e de tudo que nela há. Todos os momentos difíceis que me deu força para continuar, e as vitórias que me mostraram que eu estava no caminho certo.Agradeço a minha esposa Marta Goi de Oliveira do Prado, pela força e motivação diária que me dedica nesse caminho, e por ter acreditado nesse sonho que sonhamos juntos desde o dia em que pisei pela primeira vez no PMT.Ao meu Orientador, Professor Doutor Sérgio Duarte Brandi, que me mostrou e me ensinou o que é a pesquisa e a metalurgia de verdade. Em suas aulas e ensinamentos, vivenciei que a Soldagem é um mundo, e que sem dedicação e esforço não se alcança os melhores resultados.Agradeço a CAPES pelo auxílio financeiro na forma de bolsa de mestrado.Agradeço à minha mãe, Georgina Conde, por uma vida inteira dedicada a nós seus filhos, e que foi a primeira a me mostrar a importância de estudar e acreditar que tudo é possível nesse mundo, só basta acreditar e correr atrás. Às minhas irmãs, Patrícia Daniele do Prado Ferreira e Bruna Fernanda do Prado Ferreira, que mesmo com a distância que nos separa, sempre acreditaram, torceram e me incentivaram a continuar nesse caminho, mesmo com os percalços encontrados no caminho. Às minhas enteadas, Laís e Bruna, que sempre incentivaram nessa caminhada, incluindo as várias e várias caronas que a Laís me deu, sendo na ida à Poli, sejam na volta para casa! Aos meus avós, Rosária Maria da Glória Conde e Mário Conde, que apesar da distância, sempre torceram por mim e se dispuseram a ajudar à sua maneira. Agradeço aos meus tios,

show abstract

Avaliação de Revestimentos de Liga de Níquel 625 Depositados pelo Processo Eletroescória

Cited by 11 publications

References 26 publications

Performance of the INCONEL 625 alloy weld overlay obtained by FCAW process

Performance of the INCONEL 625 alloy weld overlay obtained by FCAW process

Spark Plasma Sintering of NiCrSiBC Alloys

Estudo do revestimento por soldagem de inconel 625® sobre aço com 9% Ni.

Contact Info

Product

Resources

About