Tribological behavior and characteristics of TIG surface cladded AlCoCrFeNi high-entropy alloy on 304L stainless steel

Semnani, Faezeh; Sarkari Khorrami, Mahmoud; Ghasemi, Hamid; Heydarzadeh Sohi, Mahmoud

doi:10.1016/j.surfcoat.2024.131100

Surface and Coatings Technology

2024

DOI: 10.1016/j.surfcoat.2024.131100

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Tribological behavior and characteristics of TIG surface cladded AlCoCrFeNi high-entropy alloy on 304L stainless steel

Faezeh Semnani,

Mahmoud Sarkari Khorrami,

Hamid Ghasemi

et al.

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2024

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Cited by 4 publications

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Microstructure and Mechanical Properties of GH3535 Superalloy Joints Using Electron Beam Welding

Ma,

Wang,

et al. 2024

Adv Eng Mater

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To achieve low‐stress and small‐deformation welding of thin‐walled structures for the fourth‐generation nuclear power plants, GH3535 superalloy is welded to itself using electron beam welding (EBW). The microstructure and mechanical properties of the GH3535 superalloy joints are characterized by scanning electron microscopy (SEM), energy dispersive spectrometer (EDS), hardness, and tensile tests. A macro‐defect‐free GH3535 superalloy joint could be obtained using 22 mA welding beam current under 65 kV welding voltage with 300 mm min−1 welding speed. Different sub‐grain solidification morphologies are observed at the weld zone because of the influence of composition undercooling on the solidification process of the weld pool. The M6C type carbides formed in the weld zone and heat‐affected zone (HAZ) take place eutectic transformation under the action of thermal cycles. The eutectic transformation of M6C has no significant effect on the strength of HAZ, whereas this phenomenon is beneficial to hinder the dislocation movement in the weld zone, thereby promoting the tensile strength of the joint. The Vickers hardness of weld zone and HAZ are 250.6 and 252 HV0.5, remarkably lower than that of the base metal (261.2 HV0.5), due to the grain coarsening in those zones. The tensile strength of the GH3535 superalloy joint reached 791 MPa, ≈93.5% that of the base metal, with the fracture occurred in the weld zone.

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Microstructure and Mechanical Properties of GH3535 Superalloy Joints Using Electron Beam Welding

Ma,

Wang,

et al. 2024

Adv Eng Mater

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Effect of Surface Melting and Chromium Surface Alloying on Wear Behavior of Ductile Iron

Semnani,

Shahripour,

Ghasemi

et al. 2024

J. of Materi Eng and Perform

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Enhancement of material properties of SS 316 L base metal by TIG cladding process

A.,

R.,

Taban

2024

Journal of Alloys and Metallurgical Systems

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Tribological behavior and characteristics of TIG surface cladded AlCoCrFeNi high-entropy alloy on 304L stainless steel

Cited by 4 publications

References 56 publications

Microstructure and Mechanical Properties of GH3535 Superalloy Joints Using Electron Beam Welding

Microstructure and Mechanical Properties of GH3535 Superalloy Joints Using Electron Beam Welding

Effect of Surface Melting and Chromium Surface Alloying on Wear Behavior of Ductile Iron

Enhancement of material properties of SS 316 L base metal by TIG cladding process

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Tribological behavior and characteristics of TIG surface cladded AlCoCrFeNi high-entropy alloy on 304L stainless steel

Cited by 4 publications

References 56 publications

Microstructure and Mechanical Properties of GH3535 Superalloy Joints Using Electron Beam Welding

Microstructure and Mechanical Properties of GH3535 Superalloy Joints Using Electron Beam Welding

Effect of Surface Melting and Chromium Surface Alloying on Wear Behavior of Ductile Iron

Enhancement of material properties of SS 316 L base metal by TIG cladding process

Contact Info

Product

Resources

About

Enhancement of material properties of SS 316 L base metal by TIG cladding process