Influence of wire rolling on Zircalloy-2: tensile behaviour and microstructural investigation
In the present work, the microstructure, tensile and texture properties of Zircalloy-2 (Zr-2) processed by the room temperature wire rolling (RTWR) have been investigated. The detail microstructural investigation was performed with the help of optical microscopy, Transmission Electron Microscopy (TE...
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| Format: | Article |
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Elsevier
2023-07-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785423013005 |
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| author | Ravi Kumar Singh Sunkulp Goel Nikhil Kumar B.D.Y. Sunil Soni Kumari Sayed M. Eldin Kuldeep K. Saxena |
| author_facet | Ravi Kumar Singh Sunkulp Goel Nikhil Kumar B.D.Y. Sunil Soni Kumari Sayed M. Eldin Kuldeep K. Saxena |
| author_sort | Ravi Kumar Singh |
| collection | DOAJ |
| description | In the present work, the microstructure, tensile and texture properties of Zircalloy-2 (Zr-2) processed by the room temperature wire rolling (RTWR) have been investigated. The detail microstructural investigation was performed with the help of optical microscopy, Transmission Electron Microscopy (TEM) and Electron Back Scattered Diffraction (EBSD). Dislocation density was calculated by using X-ray diffraction (XRD) through modified Williamson Hall technique. The dislocation density increased as the true strain increased from 0.69 to 1.32, but at the same time when true strain increased from 1.32 to 2.77, dislocations density start decreasing. It was occurred due to the formation of large volume fraction of dynamic recrystallization grains (DRX) after inducing true strain of 2.77. The maximum yield strength of 750 MPa was achieved after true strain of 1.32, but as the induced true strain increased to 2.77, the yield strength decreased to 620 MPa. It was due to the formation of high volume fraction of DRX grain and grain coarsening led by the dislocations annihilation mechanism. The highest ductility was achieved after true strain of 2.77 is attributed to domination of dislocations annihilation assisted mechanism. The EBSD and tensile test investigation further confirmed the presence of Extension twinning ({101¯2}<101¯1>) after inducing a true strain of 1.32 and more, which signify the severe deformation through the RTWR. Further, deformation mechanism of Zr-2 alloy has been proposed through processing by RTWR with the help of experimental investigation. |
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| format | Article |
| id | doaj.art-fb7687101c44474dbed4f5fc67b7cf49 |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-03-12T15:21:23Z |
| publishDate | 2023-07-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-fb7687101c44474dbed4f5fc67b7cf492023-08-11T05:33:23ZengElsevierJournal of Materials Research and Technology2238-78542023-07-012520012013Influence of wire rolling on Zircalloy-2: tensile behaviour and microstructural investigationRavi Kumar Singh0Sunkulp Goel1Nikhil Kumar2B.D.Y. Sunil3Soni Kumari4Sayed M. Eldin5Kuldeep K. Saxena6School of Materials Science and Technology, Indian Institute of Technology (BHU) Varanasi, 221005, IndiaHerbert Gleiter Institute of Nanoscience, Nanjing University of Science and Technology, Nanjing, 210094, China; Corresponding author.School of Materials Science and Technology, Indian Institute of Technology (BHU) Varanasi, 221005, India; Corresponding author.Mechanical Engineering Department, Institute of Aeronautical Engineering, Hyderabad, Telangana, IndiaDepartment of Mechanical Engineering GLA University, Mathura, IndiaCenter of Research, Faculty of Engineering, Future University in Egypt, New Cairo, 11835, EgyptDivision of Research and Development, Lovely Professional University, Phagwara, 144411, IndiaIn the present work, the microstructure, tensile and texture properties of Zircalloy-2 (Zr-2) processed by the room temperature wire rolling (RTWR) have been investigated. The detail microstructural investigation was performed with the help of optical microscopy, Transmission Electron Microscopy (TEM) and Electron Back Scattered Diffraction (EBSD). Dislocation density was calculated by using X-ray diffraction (XRD) through modified Williamson Hall technique. The dislocation density increased as the true strain increased from 0.69 to 1.32, but at the same time when true strain increased from 1.32 to 2.77, dislocations density start decreasing. It was occurred due to the formation of large volume fraction of dynamic recrystallization grains (DRX) after inducing true strain of 2.77. The maximum yield strength of 750 MPa was achieved after true strain of 1.32, but as the induced true strain increased to 2.77, the yield strength decreased to 620 MPa. It was due to the formation of high volume fraction of DRX grain and grain coarsening led by the dislocations annihilation mechanism. The highest ductility was achieved after true strain of 2.77 is attributed to domination of dislocations annihilation assisted mechanism. The EBSD and tensile test investigation further confirmed the presence of Extension twinning ({101¯2}<101¯1>) after inducing a true strain of 1.32 and more, which signify the severe deformation through the RTWR. Further, deformation mechanism of Zr-2 alloy has been proposed through processing by RTWR with the help of experimental investigation.http://www.sciencedirect.com/science/article/pii/S2238785423013005Zircalloy-2Room temperature wire rollingTensile strengthEBSDTextureTEM |
| spellingShingle | Ravi Kumar Singh Sunkulp Goel Nikhil Kumar B.D.Y. Sunil Soni Kumari Sayed M. Eldin Kuldeep K. Saxena Influence of wire rolling on Zircalloy-2: tensile behaviour and microstructural investigation Journal of Materials Research and Technology Zircalloy-2 Room temperature wire rolling Tensile strength EBSD Texture TEM |
| title | Influence of wire rolling on Zircalloy-2: tensile behaviour and microstructural investigation |
| title_full | Influence of wire rolling on Zircalloy-2: tensile behaviour and microstructural investigation |
| title_fullStr | Influence of wire rolling on Zircalloy-2: tensile behaviour and microstructural investigation |
| title_full_unstemmed | Influence of wire rolling on Zircalloy-2: tensile behaviour and microstructural investigation |
| title_short | Influence of wire rolling on Zircalloy-2: tensile behaviour and microstructural investigation |
| title_sort | influence of wire rolling on zircalloy 2 tensile behaviour and microstructural investigation |
| topic | Zircalloy-2 Room temperature wire rolling Tensile strength EBSD Texture TEM |
| url | http://www.sciencedirect.com/science/article/pii/S2238785423013005 |
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