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Effect of beam oscillation on porosity and intermetallics of electron beam welded DP600-steel to Al 5754-alloy
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Dinda, Soumitra Kumar, kar, Jyotirmaya, Jana, Subhodeep, Gopal Roy, Gour and Srirangam, Prakash (2019) Effect of beam oscillation on porosity and intermetallics of electron beam welded DP600-steel to Al 5754-alloy. Journal of Materials Processing Technology, 265 . pp. 191-200. doi:10.1016/j.jmatprotec.2018.10.026 ISSN 0924-0136.
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WRAP-effect-beam-oscillation-porosity-intermetallics-electron-steel-Srirangam-2018.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (2891Kb) | Preview |
Official URL: http://dx.doi.org/10.1016/j.jmatprotec.2018.10.026
Abstract
Formation of porosity and intermetallic compounds (IMCs) were studied in electron beam welded (EBW) DP-600 steel to Al-5754 dissimilar alloy joints at three different weld conditions such as without beam oscillation, with beam oscillation and with varying beam oscillation diameter. X-ray Diffraction (XRD), scanning electron microscopy (SEM), microhardness, three-dimensional X-ray computed tomography (XCT) were used to characterize porosity and IMCs distribution in these weld joints. Beam oscillation with optimum oscillation diameter (1 mm diameter) improved the weld quality by reducing the amount, maximum size and percentage of pores in weld zone significantly. For IMCs, average size increased little bit but maximum size, percentage of formation and amount reduced. By increasing oscillation diameter (2 mm diameter) beyond optimum value (1 mm diameter), quality of joints was found to deteriorate with accompanying higher pore density, average pore size, average IMCs size etc. Raman spectroscopy and Leco gas analyzer were also used to identify and quantify the entrapped gases in the weld joint.
| Item Type: | Journal Article | ||||||||
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| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
| Library of Congress Subject Headings (LCSH): | Electron beam welding, Scanning electron microscopy, Raman spectroscopy | ||||||||
| Journal or Publication Title: | Journal of Materials Processing Technology | ||||||||
| Publisher: | Elsevier SA | ||||||||
| ISSN: | 0924-0136 | ||||||||
| Official Date: | March 2019 | ||||||||
| Dates: |
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| Volume: | 265 | ||||||||
| Page Range: | pp. 191-200 | ||||||||
| DOI: | 10.1016/j.jmatprotec.2018.10.026 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||
| Date of first compliant deposit: | 31 October 2018 | ||||||||
| Date of first compliant Open Access: | 1 November 2018 | ||||||||
| RIOXX Funder/Project Grant: |
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