Mechanical Properties and Corrosion Behavior of Low Carbon Steel Weldments

This research involves studying the mechanical properties and corrosion behavior of low carbon steel (0.077wt% C) before and after welding using Arc, MIG and TIG welding. The mechanical properties include testing of microhardness, tensile strength, the results indicate that microhardness of TIG, MIG...

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Autores principales:	Mohamed Mahdy, Majid H. Abdulmajeed, Rana A.Majed
Formato:	article
Lenguaje:	EN
Publicado:	Al-Khwarizmi College of Engineering – University of Baghdad 2013
Materias:	Low carbon steel Acr MIG and TIG Welding mechanical properties of weldments corrosion behavior of weldments Tafel extrapolation. Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/5624281de41c445b8fc9ccda05be7934
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spelling	oai:doaj.org-article:5624281de41c445b8fc9ccda05be79342021-12-02T05:40:28ZMechanical Properties and Corrosion Behavior of Low Carbon Steel Weldments1818-1171https://doaj.org/article/5624281de41c445b8fc9ccda05be79342013-01-01T00:00:00Zhttp://www.iasj.net/iasj?func=fulltext&aId=69984https://doaj.org/toc/1818-1171This research involves studying the mechanical properties and corrosion behavior of low carbon steel (0.077wt% C) before and after welding using Arc, MIG and TIG welding. The mechanical properties include testing of microhardness, tensile strength, the results indicate that microhardness of TIG, MIG welding is more than arc welding, while tensile strength in arc welding more than TIG and MIG.The corrosion behavior of low carbon weldments was performed by potentiostat at scan rate 3mV.sec-1 in 3.5% NaCl to show the polarization resistance and calculate the corrosion rate from data of linear polarization by Tafel extrapolation method. The results indicate that the TIG welding increase the corrosion current density and anodic Tafel slop, while decrease the polarization resistance compared with unwelded low carbon steel. Cyclic polarization were measured to show resistance of specimens to pitting corrosion and to calculate the forward and reveres potentials. The results show shifting the forward, reverse and pitting potentials toward active direction for weldments samples compared with unwelded sample.Mohamed MahdyMajid H. AbdulmajeedRana A.MajedAl-Khwarizmi College of Engineering – University of BaghdadarticleLow carbon steelAcrMIG and TIG Weldingmechanical properties of weldmentscorrosion behavior of weldmentsTafel extrapolation.Chemical engineeringTP155-156Engineering (General). Civil engineering (General)TA1-2040ENAl-Khawarizmi Engineering Journal, Vol 9, Iss 1, Pp 83-93 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Low carbon steel Acr MIG and TIG Welding mechanical properties of weldments corrosion behavior of weldments Tafel extrapolation. Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	Low carbon steel Acr MIG and TIG Welding mechanical properties of weldments corrosion behavior of weldments Tafel extrapolation. Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040 Mohamed Mahdy Majid H. Abdulmajeed Rana A.Majed Mechanical Properties and Corrosion Behavior of Low Carbon Steel Weldments
description	This research involves studying the mechanical properties and corrosion behavior of low carbon steel (0.077wt% C) before and after welding using Arc, MIG and TIG welding. The mechanical properties include testing of microhardness, tensile strength, the results indicate that microhardness of TIG, MIG welding is more than arc welding, while tensile strength in arc welding more than TIG and MIG.The corrosion behavior of low carbon weldments was performed by potentiostat at scan rate 3mV.sec-1 in 3.5% NaCl to show the polarization resistance and calculate the corrosion rate from data of linear polarization by Tafel extrapolation method. The results indicate that the TIG welding increase the corrosion current density and anodic Tafel slop, while decrease the polarization resistance compared with unwelded low carbon steel. Cyclic polarization were measured to show resistance of specimens to pitting corrosion and to calculate the forward and reveres potentials. The results show shifting the forward, reverse and pitting potentials toward active direction for weldments samples compared with unwelded sample.
format	article
author	Mohamed Mahdy Majid H. Abdulmajeed Rana A.Majed
author_facet	Mohamed Mahdy Majid H. Abdulmajeed Rana A.Majed
author_sort	Mohamed Mahdy
title	Mechanical Properties and Corrosion Behavior of Low Carbon Steel Weldments
title_short	Mechanical Properties and Corrosion Behavior of Low Carbon Steel Weldments
title_full	Mechanical Properties and Corrosion Behavior of Low Carbon Steel Weldments
title_fullStr	Mechanical Properties and Corrosion Behavior of Low Carbon Steel Weldments
title_full_unstemmed	Mechanical Properties and Corrosion Behavior of Low Carbon Steel Weldments
title_sort	mechanical properties and corrosion behavior of low carbon steel weldments
publisher	Al-Khwarizmi College of Engineering – University of Baghdad
publishDate	2013
url	https://doaj.org/article/5624281de41c445b8fc9ccda05be7934
work_keys_str_mv	AT mohamedmahdy mechanicalpropertiesandcorrosionbehavioroflowcarbonsteelweldments AT majidhabdulmajeed mechanicalpropertiesandcorrosionbehavioroflowcarbonsteelweldments AT ranaamajed mechanicalpropertiesandcorrosionbehavioroflowcarbonsteelweldments
_version_	1718400297547595776

Mechanical Properties and Corrosion Behavior of Low Carbon Steel Weldments

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