Archives of Metallurgy and Materials

Institute of Metallurgy and Materials Science of Polish Academy of Sciences
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EFFECT OF CONTINUOUS WELDING ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF ANGLE AND T-BAR

  • JIHOON JANG (SUNCHON NATIONAL UNIVERSITY, MATERIALS SCIENCE AND METALLURGICAL ENGINEERING) ;
  • CHANGSUK YOON (SUNCHON NATIONAL UNIVERSITY, MATERIALS SCIENCE AND METALLURGICAL ENGINEERING) ;
  • SANGIK LEE (KIDUCK INDUSTRY CO., LTD.) ;
  • DONG-GEUN LEE (SUNCHON NATIONAL UNIVERSITY, MATERIALS SCIENCE AND METALLURGICAL ENGINEERING)
  • Published : 20200000
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Abstract

Section steels produced by welding are essential parts for shipbuilding and offshore plant production. T-type and H-type section steels are produced by handwork for secondary processing, which is a generally difficult and tedious activity. Therefore, automatic welding, with sound welding properties and a high-speed process, is necessary to meet the production demands. Welding conditions can be optimized by controlling various parameters to obtain suitable and highly reliable microstructural properties. In this study, the heat affected zone and weld defects of fillet-welded Angle and T-bar parts were investigated in terms of their microstructural, macrostructural, and mechanical properties to ensure the soundness of AH36 section steel parts joined by continuous welds.

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Acknowledgement

The authors gratefully acknowledge the support of the Ministry of Trade, Industry and Energy (MOTIE), and Korea Institute for Advancement of Technology (KIAT) (R0004926, P0002019).