A Study on the angular distortion in tee type full penetrated welded joint fabricated by the laser-arc hybrid welding

Shuichi Tsumura, Koji Murakami, Koji Gotoh

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The reducing effect of the angular distortion in Tee type full penetrated welded joint fabricated by the laser-arc hybrid welding was investigated. The Angular distortion caused by the laser-arc hybrid welding were measured and compared with one caused by the CO2 gas shielded arc welding. As a result, the amount of angular distortion by the laser-arc hybrid welding was the same level as one in case of forming the leg size of F1 grade regulated by Common Structural Rules for Bulk Carriers (CSR-B) by applying arc welding. In addition, numerical analysis of the welding deformation was carried out by the thermal elastic-plastic finite element analysis and these results were generally consistent with the measured results. Moreover the effect on FE result of the penetrated shape was discussed.

Original languageEnglish
Pages (from-to)194-201
Number of pages8
JournalYosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society
Volume33
Issue number2
DOIs
Publication statusPublished - Jan 1 2015

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Welding
Welds
Lasers
Electric arc welding
Gas welding
Numerical analysis
Plastics
Finite element method

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces, Coatings and Films
  • Metals and Alloys

Cite this

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abstract = "The reducing effect of the angular distortion in Tee type full penetrated welded joint fabricated by the laser-arc hybrid welding was investigated. The Angular distortion caused by the laser-arc hybrid welding were measured and compared with one caused by the CO2 gas shielded arc welding. As a result, the amount of angular distortion by the laser-arc hybrid welding was the same level as one in case of forming the leg size of F1 grade regulated by Common Structural Rules for Bulk Carriers (CSR-B) by applying arc welding. In addition, numerical analysis of the welding deformation was carried out by the thermal elastic-plastic finite element analysis and these results were generally consistent with the measured results. Moreover the effect on FE result of the penetrated shape was discussed.",
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