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4 articles for “tunnel defects”
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Effect of Tool Tilt on Formation of Tunnel in Friction Stir Welded 5083 Joints: An Experimental Study
Abstract: Friction stir welding (FSW) being a solid-state joining process is immune to the various defects faced in traditional fusion welding process. However, defects such as voids, joint line remnants and tunnel defects are common imperfections in FSW. In the present study, an attempt has been made to investigate the effect of tool tilt on the formation of tunnel defect, while keeping all other process parameters constant. Tool tilt is a …
Published in Journal of Materials & Metallurgical Engineering · Vol. 4, Issue 2, 2014 · pp. 10–15 Read article
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A Review of the Effects of Filler Rod on Bimetallic Weld Joint
Abstract: FSW (Friction Stir Welding) is a technology for joining solid-state metals. Welding metal does not melt and recast. Tunnel defects, kissing bonds, cracks, pin holes, and pipping defects are some of the most common in FSW. The defects occur as a result of poor metal mixing and insufficient heat input in the weld nugget zone. Only a small body of literature has focused on filler material and process parameters for …
Published in Trends in Machine design · Vol. 9, Issue 1, 2022 · pp. 33–39 Read article
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Analysis of Friction Stir Welded Aluminum Alloys 2014 and 8011
Abstract: In this work we investigated friction stir welding of Aluminum Alloy 2014, Aluminum Alloy 8011. The major defects occurring while friction stir welding are tunnel effect, poor tensile strength, uneven material flow. The main causes for these defects are improper selection of welding parameters. The major welding parameters considered in Friction stir welding are spindle rotational speed (rpm), tool travel speed (mm/min) and tool angle (degree).In this work steps are …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 1, 2015 · pp. 12–17 Read article
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Anticipated Root Coverage Utilizing the Minimally Invasive VISTA Technique with and without Autologous L-PRF: Documentation of Two Case Studies
Abstract: Gingival recession refers to the downward movement of the marginal gingiva from its typical location on the tooth crown to levels along the root surface beyond the cemento-enamel junction. Miller Class I and Class II recession are those for which the prognosis and chances of clinical success is greatest, and numerous evidences in the existing literature reports that the Coronally Advanced Flap (CAF) based procedure along with autologous subepithelial connective …
Published in Research and Reviews: A Journal of Dentistry · Vol. 14, Issue 3, 2023 · pp. 24–30 Read article