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Response of CMT welded aluminum AA5086-H111 to AA6061-T6 Plate with AA4043 Filler for Ballistic
Thimmapuram Srikanth, , G. Balaganesan, G.L. Manjunath
Published in Elsevier Ltd
2017
Volume: 194
   
Pages: 522 - 528
Abstract
Cold Metal Transfer (CMT) is a proven type of welding method using Metal Inert Gas (MIG). It is a welding technique which can be employed for marine fabrications too. Plates of AA5086-H111 and AA6061-T6 with AA4043 filler is welded by CMT. Parameters like current, voltage, arc length, shield gas pressure etc. are varied to obtain a continuous weld without any crack. Welded thin plates are subjected to a tensile test as per American Welding Society (AWS B4.0:2007) and thereafter impact loads are applied. The plates subjected to impact loads in the range of sub-ordinance level velocities, the feasibility of ordinance and ultra-ordinance can be scaled and compared. Responses and terminal ballistics limit are determined for plate thickness of 1.2 mm and 3 mm. Present work consists of simulation using Abaqus Software and experiments using Laboratory prepared gun. It was observed that, there was petaling in very thin plates and in some plates it was perforated by plugging for lower ballistic loads and thinner plates. The work gives new insights into the application of CMT in joining plates of different materials with varied thickness values. The material property of plates joined by this welding method was found to be new resource information to the permanent literature of material technology. © 2017 The Authors.
About the journal
JournalData powered by TypesetProcedia Engineering
PublisherData powered by TypesetElsevier Ltd
Open AccessNo
Concepts (20)
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    ABAQUS
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    Aluminum alloys
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    Ballistics
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    Computer software
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    Fillers
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    Inert gas welding
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    Inert gases
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    MARINE ENGINEERING
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    Spalling
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    Tensile testing
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    WELL PERFORATION
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    AMERICAN WELDING SOCIETY
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    COLD METAL TRANSFERS
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    MATERIAL TECHNOLOGIES
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    METAL INERT GAS
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    PETALING
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    Plate thickness
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    Resource information
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    TERMINAL BALLISTICS
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    Welding