Corrosion Resistance of Synergistic Welding Process of Aluminium Alloy 6061 T6 in Sea Water

Corrosion Resistance of Synergistic Welding Process of Aluminium Alloy 6061 T6 in Sea Water

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Abstract   This work involves studying corrosion resistance of AA 6061T6 butt welded joints using Two different welding processes, tungsten inert gas (TIG) and a solid state welding process known as friction stir welding, TIG welding process carried out by using Rolled sheet of thickness6mm t...

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Autor principal: Kharia Salman Hassan
Formato: article
Lenguaje:EN
Publicado: Al-Khwarizmi College of Engineering – University of Baghdad 2017
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Keywords: corrosion resistance, TIG welding, FSW welding aluminum alloy, sea water.
Chemical engineering
TP155-156
Engineering (General). Civil engineering (General)
TA1-2040
Acceso en línea:https://doaj.org/article/43d119a96354483da8953dee9b7c21a1
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spelling oai:doaj.org-article:43d119a96354483da8953dee9b7c21a12021-12-02T03:16:18ZCorrosion Resistance of Synergistic Welding Process of Aluminium Alloy 6061 T6 in Sea Water1818-11712312-0789https://doaj.org/article/43d119a96354483da8953dee9b7c21a12017-12-01T00:00:00Zhttp://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/206https://doaj.org/toc/1818-1171https://doaj.org/toc/2312-0789 Abstract   This work involves studying corrosion resistance of AA 6061T6 butt welded joints using Two different welding processes, tungsten inert gas (TIG) and a solid state welding process known as friction stir welding, TIG welding process carried out by using Rolled sheet of thickness6mm to obtain a weld joint with dimension of (100, 50, 5) mm using ER4043 DE (Al Si5) as filler metal and argon as shielding gas, while Friction stir welding process carried out using CNC milling machine with a tool of rotational speed 1000 rpm and welding speed of 50mm/min to obtain the same butt joint dimensions. Also one of weld joint in the same dimensions subjected to synergistic weld process TIG and FSW weld process at the same previous weld conditions. All welded joints were tested by X-ray radiography and Faulty pieces were excluded. The joints without defects used to prepare many specimens for Corrosion test by the dimensions of (15*15*3) mm according to ASTM G71-31. Specimens subjected to micro hardness and microstructure test. Corrosion test was achieved by potential at scan rate( +1000 ,-1000mv/sec) to  estimate corrosion parameters by extrapolator  Tafle  method after polarized ±100 mv around open circuit potential,in seawater (3.5%NaCl) at a temperature of 25°C. From result which obtained by Tafel equation. It was found that corrosion rate for TIG weld joint was higher than the others but synergistic weld process contributed in improving TIG corrosion resistance by a percentage of 14.3%. and FSW give the lest corrosion rate comparing with base metal.   Kharia Salman HassanAl-Khwarizmi College of Engineering – University of BaghdadarticleKeywords: corrosion resistance, TIG welding, FSW welding aluminum alloy, sea water.Chemical engineeringTP155-156Engineering (General). Civil engineering (General)TA1-2040ENAl-Khawarizmi Engineering Journal, Vol 10, Iss 4 (2017)
institution DOAJ
collection DOAJ
language EN
topic Keywords: corrosion resistance, TIG welding, FSW welding aluminum alloy, sea water.
Chemical engineering
TP155-156
Engineering (General). Civil engineering (General)
TA1-2040
spellingShingle Keywords: corrosion resistance, TIG welding, FSW welding aluminum alloy, sea water.
Chemical engineering
TP155-156
Engineering (General). Civil engineering (General)
TA1-2040
Kharia Salman Hassan
Corrosion Resistance of Synergistic Welding Process of Aluminium Alloy 6061 T6 in Sea Water
description Abstract   This work involves studying corrosion resistance of AA 6061T6 butt welded joints using Two different welding processes, tungsten inert gas (TIG) and a solid state welding process known as friction stir welding, TIG welding process carried out by using Rolled sheet of thickness6mm to obtain a weld joint with dimension of (100, 50, 5) mm using ER4043 DE (Al Si5) as filler metal and argon as shielding gas, while Friction stir welding process carried out using CNC milling machine with a tool of rotational speed 1000 rpm and welding speed of 50mm/min to obtain the same butt joint dimensions. Also one of weld joint in the same dimensions subjected to synergistic weld process TIG and FSW weld process at the same previous weld conditions. All welded joints were tested by X-ray radiography and Faulty pieces were excluded. The joints without defects used to prepare many specimens for Corrosion test by the dimensions of (15*15*3) mm according to ASTM G71-31. Specimens subjected to micro hardness and microstructure test. Corrosion test was achieved by potential at scan rate( +1000 ,-1000mv/sec) to  estimate corrosion parameters by extrapolator  Tafle  method after polarized ±100 mv around open circuit potential,in seawater (3.5%NaCl) at a temperature of 25°C. From result which obtained by Tafel equation. It was found that corrosion rate for TIG weld joint was higher than the others but synergistic weld process contributed in improving TIG corrosion resistance by a percentage of 14.3%. and FSW give the lest corrosion rate comparing with base metal.  
format article
author Kharia Salman Hassan
author_facet Kharia Salman Hassan
author_sort Kharia Salman Hassan
title Corrosion Resistance of Synergistic Welding Process of Aluminium Alloy 6061 T6 in Sea Water
title_short Corrosion Resistance of Synergistic Welding Process of Aluminium Alloy 6061 T6 in Sea Water
title_full Corrosion Resistance of Synergistic Welding Process of Aluminium Alloy 6061 T6 in Sea Water
title_fullStr Corrosion Resistance of Synergistic Welding Process of Aluminium Alloy 6061 T6 in Sea Water
title_full_unstemmed Corrosion Resistance of Synergistic Welding Process of Aluminium Alloy 6061 T6 in Sea Water
title_sort corrosion resistance of synergistic welding process of aluminium alloy 6061 t6 in sea water
publisher Al-Khwarizmi College of Engineering – University of Baghdad
publishDate 2017
url https://doaj.org/article/43d119a96354483da8953dee9b7c21a1
work_keys_str_mv AT khariasalmanhassan corrosionresistanceofsynergisticweldingprocessofaluminiumalloy6061t6inseawater
_version_ 1718401848439734272

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