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Element Transfer Behaviors of Fused CaF2-TiO2 Fluxes in EH36 Shipbuilding Steel During High Heat Input Submerged Arc Welding

  • 10-08-2020
  • Communication
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Abstract

Fused CaF2-TiO2 fluxes are developed and applied on EH36 shipbuilding plates under high heat input submerged arc welding. Transfer behaviors of O and major alloying elements are systematically investigated. TiO2 contributes to O gain in the weld pool, but leads to concurrent losses of Si, Mn, and C via deoxidation and decarburization reactions. Transfer of Ti to the weld metal is suppressed due to improved flux O potential and chemical interaction between CaF2 and TiO2.

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Title
Element Transfer Behaviors of Fused CaF2-TiO2 Fluxes in EH36 Shipbuilding Steel During High Heat Input Submerged Arc Welding
Authors
Jin Zhang
Theresa Coetsee
Hongbiao Dong
Cong Wang
Publication date
10-08-2020
Publisher
Springer US
Published in
Metallurgical and Materials Transactions B / Issue 5/2020
Print ISSN: 1073-5615
Electronic ISSN: 1543-1916
DOI
https://doi.org/10.1007/s11663-020-01936-3
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Nordson Logo/© Nordson Deutschland GmbH, Ecoclean Logo/© SBS Ecoclean Group, Akzo Nobel Power Coatings GmbH/© Akzo Nobel Power Coatings GmbH, Sames GmbH/© Sames GmbH, Karl Bubenhofer AG/© Karl Bubenhofer AG, Munk GmbH/© Munk GmbH, Endress+Hauser Flow Deutschland/© Endress+Hauser Flow Deutschland, IST - International Surface Technology, Chemetall und ZF optimieren den Vorbehandlungsprozess/© Chemetall