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

Meshram, Manish P and Tamboli, Rameez Rajmahammad and Kodli, Basanth Kumar and Yebaji, Sushil Gyanoba and Dey, Suhash Ranjan (2018) Texture analyses of friction stir welded austenitic stainless steel AISI-316L. Advances in Materials and Processing Technologies, 4 (2). pp. 244-254. ISSN 2374-068X

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Abstract

Low stacking fault energy AISI-316L stainless steel of 4 mm thick plates are friction stir welded at 1100 RPM and 8 mm/min welding speed using cubic boron nitride-tungsten rhenium composite tool. Large area orientation image mapping of the stir zone using electron backscatter diffraction scanning electron microscopy is performed to comprehensively characterise its microstructure and is searched for torsion shear texture components. Kernel average misorientation analysis revealed that top layer of the stir zone is almost fully recrystallised which experienced highest temperature and strain; middle layer has more deformed grains than recrystallised, showing partial recrystallisation while the bottom layer which encountered low strain but high temperature is almost fully recrystallised. Texture analyses showed variation from A {111} <uvw> partial fiber type of texture in the top layer and C {001} <110> and A {1 (Formula presented.) 1} <110> type shear texture components in the middle layer followed by (Formula presented.) {1 (Formula presented.) 1} < (Formula presented.) (Formula presented.) 0> type of shear texture in the bottom layer. It is evident from Kernel average misorientation analysis and texture evolution studies that recrystallised region produced A {111} <uvw> partial fiber/ (Formula presented.) {1 (Formula presented.) 1} < (Formula presented.) (Formula presented.) 0> shear component while deformed region produced C {001} <110> shear component.

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IITH Creators:
IITH CreatorsORCiD
Dey, Suhash Ranjanhttp://orcid.org/0000-0002-5148-9534
Item Type: Article
Subjects: Materials Engineering > Materials engineering
Divisions: Department of Material Science Engineering
Depositing User: Team Library
Date Deposited: 23 Apr 2019 08:49
Last Modified: 23 Apr 2019 08:49
URI: http://raiith.iith.ac.in/id/eprint/5001
Publisher URL: http://doi.org/10.1080/2374068X.2017.1414558
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