Progressive developments and challenges in dissimilar laser welding of steel to various other light alloys (Al/Ti/Mg): A comprehensive review

Ghosh, Pradip N.; Sen, A.; Chattopadhyaya, Somnath; Sharma, Shubham; Singh, Jujhar; Li, Changhe; Królczyk, Grzegorz M.; Rajkumar, S.

doi:10.1016/j.heliyon.2022.e11710

Cited by 23 publications

(7 citation statements)

References 177 publications

(219 reference statements)

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“…Two primary reasons may be attributed to those cracks. First, the metallurgical reaction produces substantial hard and brittle IMCs in the transition zone, severely weakening the plasticity of the transition zone [40]. Second, a high thermal stress should be formed at the interface of WM and TA1 during the heating and cooling of the welding process [9].…”

Section: Weld Formationmentioning

confidence: 99%

Laser Welding of Titanium/Steel Bimetallic Sheets with In Situ Formation of Fex(CoCrNiMn)Tiy High-Entropy Alloys in Weld Metal

Liu,

Ma,

Xue

et al. 2024

Materials

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Due to the notable disparities in the physical and chemical characteristics between titanium and steel, the direct fusion of titanium/steel bimetallic sheets results in a considerable formation of fragile intermetallic compounds, making it difficult to achieve excellent metallurgical welded joints. In this study, a multi-principal powder of CoCrNiMn was designed and utilized as a filler material in the welding of the TA1/Q345 bimetallic sheet. It was expected that the in situ formation of Fex(CoCrNiMn)Tiy high-entropy alloys would be achieved using the filler powders, combined with the Ti and Fe elements from the melting of the TA1 and Q345 so as to restrain the generation of Fe-Ti IMCs and obtain the promising welded joints of the TA1/Q345 bimetallic sheet. An interesting finding is that high-entropy alloys were successfully obtained in the weld metal. The Fe-Ti intermetallic compounds at the welding interface were significantly reduced. The tensile strength was ~293 MPa, accounting for 60% of the strength of the base metal. Dimples were observed at the fracture of the welded joint.

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Section: Weld Formationmentioning

confidence: 99%

Laser Welding of Titanium/Steel Bimetallic Sheets with In Situ Formation of Fex(CoCrNiMn)Tiy High-Entropy Alloys in Weld Metal

Liu,

Ma,

Xue

et al. 2024

Materials

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“…Nowadays, LBW has also become widespread for dissimilar metals due to the high degree of automation and accurate energy control, mainly by means of CO2 or Nd:YAG laser apparatus; while fiber laser technology have only recently caught on [31]. The high level of energy concentrated in a small volume allows to work at higher welding speed than arc welding, obtaining with a single pass narrow and deep joints in thick steel plates.…”

Section: Laser Beam Weldingmentioning

confidence: 99%

“…This solution was adopted in [48] for LBW two plates of carbon steel clad with austenitic steel, achieving good results with a suitable choice of the welding parameters (Figure 5). Fiber laser technology have only recently caught on for a beam of outstanding optical quality and a precise welding action [31]. High-power fiber laser allows the beam to be split in multiple beams (each one with intensity sufficient to work in the keyhole mode), which can be shaped in a pre-defined pattern of multiple spots to reproduce the actual joint configuration.…”

Section: Laser Beam Weldingmentioning

confidence: 99%

A Review on Fusion Welding of Dissimilar Ferritic / Austenitic Steels: Processing and Weld Metallurgy

Giudice,

Missori,

Scolaro

et al. 2024

Preprint

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Dissimilar welds between ferritic and austenitic steels represent a good solution for exploiting the best performance of stainless steels at high and low temperatures and in aggressive environments, while minimizing costs. Therefore, they are widely used in nuclear and petrochemical plants, however, due to the different properties of the steels involved, the welding process can be challenging. Fusion welding can be specifically addressed to connect low-carbon, or low-alloy steels, with high-alloy steels, which have similar melting point. Welding of thick plates can be performed with electric arc in multiple passes or in a single pass by means of a laser beam equipment. Since microstructure and consequently mechanical properties of the weld are closely related to composition, the choice of the filler metal and processing parameters, which in turn affects the dilution rate, plays a fundamental role. Numerous technical solutions were proposed for welding dissimilar steels and much research was developed on the weldment metallurgy; therefore, this article is aimed at a review of the most recent scientific literature on the issues relating to the fusion welding of ferritic / austenitic steels. Two specific sections are dedicated respectively to electric arc and laser beam welding; finally, metallurgical issues, related to dilution and thermal field are debated in the discussion section.

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“…Nowadays, LBW has also become widespread for dissimilar metals due to the high degree of automation and accurate energy control, mainly by means of a CO 2 or Nd:YAG laser apparatus; moreover, fiber laser technology has only recently caught on [31] for its beneficial impact on beam guidance. The high level of energy concentrated in a small volume allows it to work at a higher welding speed than arc welding, obtaining with a single pass narrow and deep joints in thick steel plates.…”

Section: Laser Beam Weldingmentioning

confidence: 99%

“…This solution was adopted in [48] for a particular case of dissimilar ferritic/austenitic steels: as shown in Figure 5, two plates of carbon steel clad with austenitic steel (total thickness of 10 mm) were LBW-ed in a single pass, achieving good results with a suitable choice of welding parameters (this procedure is very advantageous when compared to the traditional multi-pass arc welding process with a wire filler metal used for clad steel plates [50]). Fiber laser technology has only recently caught on for beams of outstanding optical quality and precise welding action [31]. High-power fiber lasers allow a beam to be split into multiple beams (each one with an intensity sufficient to work in the keyhole mode), which can be shaped in a pre-defined pattern of multiple spots to reproduce the actual joint configuration.…”

Section: Laser Beam Weldingmentioning

confidence: 99%

A Review on Fusion Welding of Dissimilar Ferritic/Austenitic Steels: Processing and Weld Zone Metallurgy

Giudice,

Missori,

Scolaro

et al. 2024

JMMP

View full text Add to dashboard Cite

Dissimilar welds between ferritic and austenitic steels represent a good solution for exploiting the best performance of stainless steels at high and low temperatures and in aggressive environments, while minimizing costs. Therefore, they are widely used in nuclear and petrochemical plants; however, due to the different properties of the steels involved, the welding process can be challenging. Fusion welding can be specifically applied to connect low-carbon or low-alloy steels with high-alloy steels, which have similar melting points. The welding of thick plates can be performed with an electric arc in multiple passes or in a single pass by means of laser beam equipment. Since the microstructure and, consequently, the mechanical properties of the weld are closely related to the composition, the choice of the filler metal and processing parameters, which in turn affect the dilution rate, plays a fundamental role. Numerous technical solutions have been proposed for welding dissimilar steels and much research has developed on welding metallurgy; therefore, this article is aimed at a review of the most recent scientific literature on issues relating to the fusion welding of ferritic/austenitic steels. Two specific sections are dedicated, respectively, to electric arc and laser beam welding; finally, metallurgical issues, related to dilution and thermal field are debated in the discussion section.

show abstract

Progressive developments and challenges in dissimilar laser welding of steel to various other light alloys (Al/Ti/Mg): A comprehensive review

Cited by 23 publications

References 177 publications

Laser Welding of Titanium/Steel Bimetallic Sheets with In Situ Formation of Fex(CoCrNiMn)Tiy High-Entropy Alloys in Weld Metal

Laser Welding of Titanium/Steel Bimetallic Sheets with In Situ Formation of Fex(CoCrNiMn)Tiy High-Entropy Alloys in Weld Metal

A Review on Fusion Welding of Dissimilar Ferritic / Austenitic Steels: Processing and Weld Metallurgy

A Review on Fusion Welding of Dissimilar Ferritic/Austenitic Steels: Processing and Weld Zone Metallurgy

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