Texture analyses of friction stir welded austenitic stainless steel AISI-316L

Meshram, Manish; Tamboli, Rameez R.; Kodli, Basanth Kumar; Yebaji, Sushil; Dey, Suhash Ranjan

doi:10.1080/2374068x.2017.1414558

Cited by 2 publications

(2 citation statements)

References 12 publications

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“…Similarly, in another experimental study by Kaushik et al [35], welding of low carbon steel with Aluminum 5052 alloy was carried out by three different weld pins and compared heat generation. Dey et al [36,37] experimented on 4 mm thick AISI-316 stainless steel, including microscopic investigations and tensile tests. After thorough investigation, optimised defect free welding conditions were achieved with 1100 rpm and traverse speed of 8 mm min −1 with an elongation of 37%.…”

Section: Fsw Of Steelmentioning

confidence: 99%

Experimental and numerical analysis of friction stir welding: a review

Sen

Jayaprakash

2022

Eng. Res. Express

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Friction stir welding (FSW) is a topic of immense interest to researchers worldwide. The solid-state welding process has gained considerable popularity in the joining industry, replacing the orthodox welding techniques. To understand the necessity of friction stir welding, in this study, literature on experimental studies of friction stir welding on Steel, Aluminium, Magnesium and Titanium alloys have been summarised. Due to the interaction of multiple process parameters and complex geometry in FSW, the experimental study of this type of welding faces a challenge that can be overcome using numerical analysis like the finite element method. However, before initiating the design of the finite element model, a correct set of parameters and modelling methods needs to be made by the user to obtain results of high precision. This paper summarised the results obtained by various numerical modelling methods based on the review of over 100 research articles and suggested a suitable way for particular applications. Results show that ANSYS and ABAQUS are mainly preferred for friction simulation, thermomechanical behaviour, stress and strain analysis, while FLUENT finds its application mainly in material flow simulations. This review paper summarises both the experimental studies and the numerical approach to FSW modelling by distinctly mentioning the merits and demerits in each case. The results summarised would be beneficial for future researchers in the areas of FSW of advanced materials. Also the summarized results would be useful to choose the appropriate experimental parameter and numerical analysis techniques for FSW of various materials.

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Section: Fsw Of Steelmentioning

confidence: 99%

Experimental and numerical analysis of friction stir welding: a review

Sen

Jayaprakash

2022

Eng. Res. Express

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“…There are obvious differences in the weld structure along the thickness direction. From the weld surface to the bottom, the grain size gradually decreases 16 , and a {111} fibre texture is formed on the upper surface of the weld, {001} and {111} shear textures are formed in the middle layer of the weld, and a {110} shear texture is formed at the bottom of the weld 17 . The degree of continuous dynamic recrystallization in the thermo-mechanically affected zone on the advancing side(AS) of the weld is less than that on the retreating side(RS), and the volume composition of fully recrystallized grains on the AS is less than that on the RS.…”

Section: Introductionmentioning

confidence: 99%

Evolution of Grain Orientation in front of the Pin during FSW of the 6082-T6 Aluminium Alloy

2022

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Friction stir welding (FSW), a new solid-phase connection method, is considered an excellent welding method for aluminium alloys. Grain orientation, grain boundary structure, and texture types in different regions were characterized by a high-resolution electron backscattered diffraction technology. The results revealed that during the welding process, the coarse grains of the base metal are refined, grains in region 1 (600 μm away from the edge of the keyhole) are arranged in a long strip, and the long axis is approximately parallel to the shear direction. The thermal cycle of the welding process causes some grains to recrystallize, further forming a recrystallization (100) [011] rotating-cube texture. The metal in region 2 (100 μm away from the edge of the keyhole) was severely squeezed by the pin, resulting in an increase in the degree of grain breakage in this region, which were mainly equiaxed grains. Due to the eccentric movement of the pin, the ( 100) [001]-oriented and (110) [001]-oriented grains alternate on the middle layer, forming a banded structure. Plastic deformation and recrystallization occurred in the base metal, within 383 μm in front of the pin, forming a (110) [001] Goss texture and (100) [001] recrystallized cubic texture.

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Texture analyses of friction stir welded austenitic stainless steel AISI-316L

Cited by 2 publications

References 12 publications

Experimental and numerical analysis of friction stir welding: a review

Experimental and numerical analysis of friction stir welding: a review

Evolution of Grain Orientation in front of the Pin during FSW of the 6082-T6 Aluminium Alloy

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