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Appl. Sci. 2017, 7(7), 658; doi:10.3390/app7070658

Characteristics of GMAW Narrow Gap Welding on the Armor Steel of Combat Vehicles

IAE (Institute of Advanced Engineering), Yong-in 17180, Korea
Hyundai-Rotem Company, Chang-won 51413, Korea
Author to whom correspondence should be addressed.
Academic Editors: Hai-Lung Tsai and Junling Hu
Received: 3 February 2017 / Revised: 15 June 2017 / Accepted: 17 June 2017 / Published: 27 June 2017
(This article belongs to the Special Issue Gas Metal Arc Welding)
View Full-Text   |   Download PDF [4073 KB, uploaded 27 June 2017]   |  


The primary purpose of this investigation was to study the characteristics of the armor steel weldment of combat vehicles by using GMAW narrow gap welding (NGW). The results showed that the mechanical properties and residual stress distribution of NGW weldment were improved, compared with conventional X-groove weldment. Additionally, ballistic tests according to MIL-HDBK-1941 were carried out to verify the ballistic ability of NGW weldment and the result showed that the NGW process was qualified for welding the armor steel of combat vehicle. View Full-Text
Keywords: narrow gap welding; finite element analysis; welding; residual stress narrow gap welding; finite element analysis; welding; residual stress

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Kim, J.-S.; Yi, H.-J. Characteristics of GMAW Narrow Gap Welding on the Armor Steel of Combat Vehicles. Appl. Sci. 2017, 7, 658.

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