Determination of Mechanical Properties for Microhardness Mapping in a 5052 Aluminum Alloy Welded by Mig Process

J.C. de Macêdo Neto; Juarez Viégas Silva; Guilherme dos Santos Moreira; João Evangelista Neto; Flavio Silveira; B.M. Freitas; Ana Emília Diniz Silva Guedes; Reinaldo Almeida Rodrigues; S.P.R. Kimura; Nayra Reis do Nascimento; Eduardo Rafael Barreda; R.N.A. Silva

doi:10.4028/www.scientific.net/MSF.930.356

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Effect of Controlled Cooling after Hot Rolling on the Mechanical Properties of a Low Carbon Niobium Microalloyed Steel Wire Rod
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Effects of Different Annealing Times on Microstructure and Tensile Properties of Joints Welded 5052 Aluminum Alloy in Marine Industry
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Limit Strains Analysis of Advanced High Strength Steels Sheets Based on Surface Roughness Measurements
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Determination of Mechanical Properties for Microhardness Mapping in a 5052 Aluminum Alloy Welded by Mig Process
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HomeMaterials Science ForumMaterials Science Forum Vol. 930Determination of Mechanical Properties for...

Determination of Mechanical Properties for Microhardness Mapping in a 5052 Aluminum Alloy Welded by Mig Process

Abstract:

Aluminum alloys are widely used in shipbuilding, it is a material with good mechanical strength, high corrosion resistance and good conformation. In this study we used the filler metal 5183 aluminum alloy, groove angle 80°, root opening 0,5mm, stick-out 12 a 14mm, voltage 23V, torch 99,99%Ar, transfer mode Pulsed, current 220A, wire speed 30cm/min, gas flow 25l/min. The aim of this study was to research the mechanical strength in a welded joint naval 5052 aluminum alloy welded by Metal Inert Gas-MIG process using a mapping microhardness and software images. They were also carried out the tensile test, chemical analysis of the studied alloy and optical microscopy. The results of microhardness showed that the weld pool showed lower values. Optical microscopy showed that the weld pool had bubbles and the tensile test was presented fracture in the welded joint.

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22nd Brazilian Conference on Materials Science and Engineering

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Materials Science Forum (Volume 930)

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356-361

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https://doi.org/10.4028/www.scientific.net/MSF.930.356

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September 2018

Authors:

J.C. de Macêdo Neto, Juarez Viégas Silva, Guilherme dos Santos Moreira, João Evangelista Neto, Flavio Silveira, B.M. Freitas, Ana Emília Diniz Silva Guedes, Reinaldo Almeida Rodrigues, S.P.R. Kimura, Nayra Reis do Nascimento, Eduardo Rafael Barreda, R.N.A. Silva

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Aluminum 5052, Mechanical Properties, Welding Processes MIG

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