Effects of filler metal composition on joining properties of alloy 690 weldments

Kuo, Tsung-Yuan; Lee, Hwa-Teng

doi:10.1016/s0921-5093(02)00063-1

Cited by 76 publications

(24 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Nb has high tendency to increase the bulk solidification temperature range. In other words, it increases the degree of constitutional undercooling, causing this region to widen (Dupont et al, 2003;Lee et al, 2004;Kuo and Lee, 2002). Thus, the substructure tends to change from cellular to columnar dendritic, as the degree of constitutional undercooling is increased.…”

Section: Methodsmentioning

confidence: 99%

Dissimilar welding of AISI 310 austenitic stainless steel to nickel-based alloy Inconel 657

Naffakh

Shamanian

Ashrafizadeh

2009

Journal of Materials Processing Technology

241

View full text Add to dashboard Cite

Section: Methodsmentioning

confidence: 99%

Dissimilar welding of AISI 310 austenitic stainless steel to nickel-based alloy Inconel 657

Naffakh

Shamanian

Ashrafizadeh

2009

Journal of Materials Processing Technology

241

View full text Add to dashboard Cite

“…It can be attributed to the presence of higher amounts of nickel and less amounts of chromium in INCONEL A weld metal than that of INCONEL 82 weld metal, which can dissolve the excessive amount of Nb. [8][9][10] Inhomogeneous microstructure of the weld metals, as was seen in INCONEL A weld metal (Figure 6(a)), is an obvious characteristic of cast metals. High-temperature aging condition in this weld metal not only can eliminate severe segregation of interdendritic regions, but also can increase size of the initial precipitates.…”

mentioning

confidence: 74%

Influence of Artificial Aging on Microstructure and Mechanical Properties of Dissimilar Welds between 310 Stainless Steel and INCONEL 657

Naffakh

Shamanian

Ashrafizadeh

2008

Metall Mater Trans A

View full text Add to dashboard Cite

This investigation is carried out to characterize welding of AISI 310 austenitic stainless steel (SS) to INCONEL 657 nickel-chromium superalloy. The welds were produced using four types of filler materials: the nickel-based corresponding to INCONEL 82, INCONEL A, INCONEL 617, and 310 austenitic SS. This article describes the effects of aging treatment on the joints. A comparative evaluation based on microstructural features and estimation of mechanical properties was performed. INCONEL A and INCONEL 82 exhibited the highest thermal stability and mechanical properties, while INCONEL 617 and 310 SS filler materials showed weak mechanical properties and thermal stability. It is therefore concluded that for the joints between INCONEL 657 and 310 SS, INCONEL A and INCONEL 82 filler materials offer the best compromises.

show abstract

“…Na Figura 3 d) pode-se observar a primeira região da zona afetada pelo calor (ZAC), zona de crescimento de grão, assim como a zona de ligação da solda. Em direção ao metal base, a Figura 3 c) mostra a segunda região da ZAC, zona de refino de grão [9]. E por fim, a Figura 3 b) mostra a microestrutura do metal base utilizado neste trabalho.…”

Section: Microestruturaunclassified

Microestrutura E Resistência À Corrosão De Junta Soldada De Inconel 625

Ramos¹,

Caselani²,

Simoni³

et al. 2017

Anais Do Enemet - Encontro Nacional De Estudantes De Engenharia Metalúrgica, De Materiais E De Minas

View full text Add to dashboard Cite

ResumoAs superligas de níquel apresentam boa combinação de resistência à corrosão e à oxidação, resistência mecânica, resistência à fadiga e à fluência, além de conseguirem operar em temperaturas elevadas, mantendo tais propriedades. A liga Inconel 625 vem sendo estudada como revestimentos, obtidos por cladeamento ou aspersão térmica, para tubos de aços ao carbono utilizados nas indústrias de petróleo e gás. Esses tubos poderão ser unidos pela técnica de soldagem, quando então se obtém uma junta Inconel-Inconel, e isso pode acarretar modificações nas propriedades dessas superligas. O presente trabalho objetiva obter uma junta soldada da liga Inconel 625 empregandose o processo de soldagem a arco utilizando eletrodo revestido Ni-Cr-Mo 3 e caracterizar o cordão de solda quanto à microestrutura, à dureza e à corrosão. A microestrutura foi avaliada por microscopia óptica; para dureza foi realizado perfil de microdureza Vickers ao longo da junta soldada; quanto à corrosão foram realizadas curvas potenciodinâmicas em três diferentes soluções: 3,5% NaCl, 3,5% NaCl + 0,01M Na 2 S 2 O 3 e 3,5% NaCl + 1N H 2 SO 4 . Os resultados obtidos mostraram que a zona fundida tem microestrutura dendrítica, sendo a zona afetada pelo calor de aproximadamente 1,2 mm de extensão. A solda não alterou significativamente as propriedades de corrosão e dureza. Palavras-chave: Inconel 625; Soldagem; Corrosão; Microestrutura. MICROSTRUCTURE AND CORROSION RESISTANCE OF WELD JOINT INCONEL 625 AbstractNickel-based superalloys show a great combination of strength, corrosion, fatigue, creep and oxidation resistance, in addition to the ability of operate in high temperatures. Alloy 625 has been investigated recently like a coating on carbon steel tubes utilized in oil and gas industry utilizing cladding or thermal spray process. These tubes can be joint by welding, however, this process may changes some properties in weld joints InconelInconel. So, the main target of this work is to perform the Inconel 625 weld joint by shielded metal arc welding process with ERCrNiMo-3 and characterize the microstructure, corrosion resistance and hardness. The microstructure was investigated by optical microscopy. Microhardness Vickers profile was done across the joint transverse section. Electrochemical polarization techniques were used to characterize the corrosion resistance in three different solutions: 3.5% NaCl, 3.5% NaCl + 0.01M Na 2 S 2 O 3 e 3.5% NaCl + 1N H 2 SO 4 . The results show that fusion zone microstructure is dendritic and the heat input modified the base metal around 1.2 mm. The weld did not significative modification of corrosion resistance and hardness.

show abstract

Effects of filler metal composition on joining properties of alloy 690 weldments

Cited by 76 publications

References 7 publications

Dissimilar welding of AISI 310 austenitic stainless steel to nickel-based alloy Inconel 657

Dissimilar welding of AISI 310 austenitic stainless steel to nickel-based alloy Inconel 657

Influence of Artificial Aging on Microstructure and Mechanical Properties of Dissimilar Welds between 310 Stainless Steel and INCONEL 657

Microestrutura E Resistência À Corrosão De Junta Soldada De Inconel 625

Contact Info

Product

Resources

About