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X-ray tomography study on porosity in electron beam welded dissimilar copper–304SS joints
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Kar, Jyotirmaya, Dinda, Soumitra Kumar, Roy, Gour Gopal, Roy, Sanat Kumar and Srirangam, Prakash (2018) X-ray tomography study on porosity in electron beam welded dissimilar copper–304SS joints. Vacuum, 149 . pp. 200-206. doi:10.1016/j.vacuum.2017.12.038 ISSN 0042-207X.
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WRAP-x-ray-tomography-porosity-electron-beam-welded-Srirangam-2017.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (5Mb) | Preview |
Official URL: http://dx.doi.org/10.1016/j.vacuum.2017.12.038
Abstract
Dissimilar joining of copper (C10300) to AISI–304 Stainless Steel (SS) sheets was performed using Electron Beam Welding (EBW) process. EBW was performed for two weld conditions such as with beam oscillation and without beam oscillation. X-ray Computed Tomography (XCT) technique was used for three-Dimensional (3D) visualization and quantification of porosity in the weld region. It was observed that the application of beam oscillation resulted in less porosity and the average pore size was found to be smaller as compared to without beam oscillation condition. Also, pores were found to be uniformly distributed in the weld incase of with beam oscillation as compared to without beam osicllaition condition. Further, it was observed that there exists an optimum beam oscillation diameter beyond which there is no positive effect of beam oscillation in controlling the porosity formation in the weld joint.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
| Library of Congress Subject Headings (LCSH): | Joints (Engineering) -- Testing, Electron beam welding | ||||||||
| Journal or Publication Title: | Vacuum | ||||||||
| Publisher: | Pergamon | ||||||||
| ISSN: | 0042-207X | ||||||||
| Official Date: | March 2018 | ||||||||
| Dates: |
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| Volume: | 149 | ||||||||
| Page Range: | pp. 200-206 | ||||||||
| DOI: | 10.1016/j.vacuum.2017.12.038 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Date of first compliant deposit: | 4 January 2018 | ||||||||
| Date of first compliant Open Access: | 28 December 2018 | ||||||||
| RIOXX Funder/Project Grant: |
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