twicer ® 07-Ноя-2021 14:53

Hybrid laser-arc Welding


Year: 2021
Language: english
Author: DNV
Genre: Class Guideline
Format: PDF
Quality: eBook
Pages count: 21
Description: This document contains the Society's guidelines for the qualification and approval
of hybrid laser-arc welding. They form the basis for accepting the use of laser-arc hybrid welding in
construction of vessels.
Traditionally, shipyards have mainly used manual welding, mechanised flux cored arc (FCAW) welding and
submerged arc welding in the production of ships. However, until recently use of these conventional welding
techniques in welding of thin plates typically applied in decks of cruise ships, often resulted in deformations
which required a large extent of straightening, adjustment and fitting operations. In order to overcome these
problems, laser beam welding has been an attractive option because of its low heat input typically in the
range of 0.2 - 0.3 kJ/mm. Many yards have performed welding trials and small scale production using laser
processing.

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DNV Guideline_Hybrid laser-arc welding.pdf

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