Study on Microstructure-Property Relationship of Inconel 617 Alloy/304L SS Steel Dissimilar Welds Joint

Kumar, Amit; Gopal, K.; Pandey, Shailesh Mani; Fydrych, Dariusz; Sirohi, Sachin; Pandey, Chandan

doi:10.1007/s11661-023-07136-3

Cited by 16 publications

(5 citation statements)

References 53 publications

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“…3 (b)) revealed a heterogeneous distribution of precipitates of varying size and shape, with Cr-rich M 23 C 6 and Mo-rich Mo 6 C being located along the boundaries and within grains, and Ti(C, N) being situated at the intra-granular position [ 31 ] . A similar observation has been made in previous work also [ 32 ]. The EDS results presented in Table 2 confirmed the presence of M 23 C 6 , Mo 6 C, and Ti(C, N) precipitates in the IN617 base material.…”

Section: Resultssupporting

confidence: 92%

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Dissimilar autogenous TIG joint of Alloy 617 and AISI 304H steel for AUSC application

Sirohi,

Kumar,

Pandey

et al. 2023

Heliyon

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Section: Resultssupporting

confidence: 92%

“…These tensile outcomes align with the findings of Pavan et al [ 43 ], who investigated dissimilar welds between IN617 and SS304H produced using the GTAW technique and IN617 filler material. However, for a similar type of joint, obtained using the laser beam welding process, failure was reported in the region of the weld metal [ 32 ]. Fig.…”

Section: Resultsmentioning

confidence: 96%

Dissimilar autogenous TIG joint of Alloy 617 and AISI 304H steel for AUSC application

Sirohi,

Kumar,

Pandey

et al. 2023

Heliyon

Self Cite

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“…Vanaja et al [13] also reported Type IV failure in the inter-critical HAZ of Grade 91 steel in an electron-beam-welded DMW after long-term creep exposure. Kumar et al [9] identified the fine-grained HAZ as the weakest region in terms of creep strength in a laser-beam-welded IN617/304L DMW joint. Similar phenomena were also observed in the area near the crack of the failed specimen, as shown in Figure 19.…”

Section: Failure Analysis Of V-groove Jointsmentioning

confidence: 99%

“…Recent studies have focused on the effects of the welding process [9], filler metal [10,11], and post-weld heat treatment [10,12] on the microstructure evolution and mechanical properties of DMWs. Vanaja et al [13] investigated the creep rupture behavior of a DMW between 316LN stainless steel and Grade 91 steel fabricated by an electron beam.…”

Section: Introductionmentioning

confidence: 99%

The Influence of Groove Geometry on the Creep Fracture Behavior of Dissimilar Metal Welds between Ferritic Heat-Resistant Steels and Nickel-Based Alloys

Zhang,

Liu,

et al. 2024

Metals

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This study investigates the influence of groove geometry on the high-temperature creep life and fracture behavior of Dissimilar Metal Welds (DMWs) between low-alloy steel 2.25Cr1Mo and austenitic stainless steel 347H using Inconel 82 nickel-based filling metal. This research aims to reveal the effect of groove geometry, especially the stepped groove, on creep crack propagation path and creep life, through a combined approach of finite element simulation considering stress triaxiality and experimental validation. The study reveals that the stepped groove alters the creep crack propagation path, enhancing the endurance life by deflecting cracks away from the weld/heat-affected zone (HAZ) interface and directing them into regions with higher creep resistance. The experimental results verify the simulation findings, revealing that the stepped groove joints exhibited longer creep life with changes in failure location and mechanism compared to the V-groove joints. However, it was found that the stepped groove intensified the stress concentration at the early creep stage. Thus, a good balance should be achieved between the negative (stress concentration at interface) and positive (changing crack paths) effects of the stepped groove to extend the creep life of DMWs.

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“…The primary objective of these techniques is to foster a more even dispersion of alloying elements and curtail the scope of microsegregation. 13,14 GTAW and its different variants can be used to effectively create these dissimilar welds, although their productivity rate tends to be low. Alternatively, highenergy density welding techniques such as laser beam welding and electron beam welding could be used for fabricating these dissimilar welds.…”

Section: Introductionmentioning

confidence: 99%

Analyzing microstructural, residual stress, and mechanical characteristics in dissimilar welds of Inconel 59 and AISI 904L through double-pulsed gas metal arc welding

Muthukumaran,

Arulmurugan,

Manikandan

2024

Proceedings of the Institution of Mechanical Engineers, Part L:

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In this research, dissimilar welding of the nickel-based superalloy Inconel 59 and austenitic stainless steel AISI 904L steel was successfully done with double-pulsed gas metal arc welding (DP-GMAW) using the filler ERNiCrMo-13. Macroscopic analysis showed a defect-free weld with an aspect ratio of 2.4, attributed to the efficient heat delivery (0.642 kJ/mm) in DP-GMAW. The microstructure of the weld joint was examined through both optical microscopy and scanning electron microscopy. Examination of the microstructure of the weld interface exposed grain coarsening near the heat-affected zone on the AISI 904L side. In contrast, the weld fusion zone contained fine equiaxed dendrites. Microsegregation and alloying element migration across the entire weld area were assessed through energy dispersive X-ray spectroscopy point analysis and line mapping, revealing controlled microsegregation across the region. X-ray diffraction (XRD) analysis was used to ascertain the average grain size (38.41 nm) and secondary phase composition. The XRD-cosα method was used to assess the residual stress of the weld joint, revealing tensile residual stress in the weld zone and compressive residual stress in other regions. Tensile, Charpy impact, and Vickers hardness tests were conducted in the study to evaluate the strength, toughness, and hardness of a dissimilar weld. The impact of two cryogenic treatments, namely shallow and deep, on tensile and toughness characteristics was investigated in this study. The cryogenic treatments significantly enhanced the mechanical properties of weld samples compared to their as-welded condition, leading to an 11.5% increase in tensile strength and a 10% improvement in toughness.

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Study on Microstructure-Property Relationship of Inconel 617 Alloy/304L SS Steel Dissimilar Welds Joint

Cited by 16 publications

References 53 publications

Dissimilar autogenous TIG joint of Alloy 617 and AISI 304H steel for AUSC application

Dissimilar autogenous TIG joint of Alloy 617 and AISI 304H steel for AUSC application

The Influence of Groove Geometry on the Creep Fracture Behavior of Dissimilar Metal Welds between Ferritic Heat-Resistant Steels and Nickel-Based Alloys

Analyzing microstructural, residual stress, and mechanical characteristics in dissimilar welds of Inconel 59 and AISI 904L through double-pulsed gas metal arc welding

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