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ITS » Journal » Fakultas Teknologi Kelautan
Posted by nsyahroni@oe.its.ac.id at 17/03/2016 15:09:09  •  1423 Views


EXPERIMENTAL STUDY OF ELECTRODE SELECTION EFFECTS ON MECHANICAL PROPERTIES OF UNDERWATER WET WELDED-JOINTS

Author :
SYAHRONI, NUR  ( 19730602 199903 1 002 )
ROCHANI, IMAM    NIZAR, HARFIAN




ABSTRACT

Proper selection of electrodes is a key element to improve quality of underwater wet welded joint. Three different types of electrode for shielded metal arc welding SMAW namely E6013 E6019 and E7018 were selected to perform underwater wet welding of the mild steel ASTM A36 plate. Tension and bending test were carried out according to ASTM 4 and AWS D1.1 5 standards respectively. The yield and the tensile strength of welded joints fulfilled the acceptance criteria. The weld joint using E6013 and E6019 electrodes have satisfied the minimum criteria of elongation but two specimens of the welded joint using E7018 electrode have failed . Welded joints using E6013 and E6019 have also satisfied the acceptance criteria of bending test but have failed when using E7018 electrode. The reason why the welded joint using E7018 electrode has failed to fulfill the elongations and bend test might be due to large amount of fine pearlite phase in the HAZ that made the welded joint less ductile.



Keywordsunderwater wet welding, electrode selection, mechanical properties.
 
Subject:  Mekanika
Date Create: 06/01/2016
Type: Text
Format: PDF
Language: English
Identifier: ITS-Journal-40111160000054
Collection ID: 40111160000054
Call Number: 671.52 Sya e


Source
Article of Journal

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ITS Community

Rights
ARPN Journal of Engineering and Applied Sciences 2006-2016 Asian Research Publishing Network (ARPN). All rights reserved VOL. 11, NO. 2, JANUARY 2016 ISSN 1819-6608




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ITS-Journal-40111160000054-40845.pdf




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