Abstract
Submerged arc welding is conducted employing CaF2-SiO2-MnO fluxes with varying MnO content under high heat input of 60 kJ/cm using EH36 shipbuilding steel. Transfer of elements between slags and weld metals is quantified. Mn and O transferred from slag to weld metal increase with MnO addition, whereas the transfer of Si seems to be independent of MnO content. Factors that govern the transfer of elements between slag and weld metal are evaluated.
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We thank the National Natural Science Foundation of China (Grant Nos. 51622401, 51861130361, 51861145312, and 51850410522), Newton Advanced Fellowship by the Royal Society (Grant No. RP12G0414), Research Fund for Central Universities (Grant No. N172502004), Xingliao Talents Program (XLYC1807024 and XLYC1802024), and Global Talents Recruitment Program endowed by the Chinese government for their financial support. We also thank the State Key Laboratory of Solidification Processing, Northwestern Polytechnical University (Grant No. SKLSP201805), Shagang Steel, and Lincoln Electric China. This work is also funded in part by the National Research Foundation of South Africa (BRICS171211293679).
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Manuscript submitted December 13, 2019.
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Zhang, J., Coetsee, T., Dong, H. et al. Element Transfer Behaviors of Fused CaF2-SiO2-MnO Fluxes Under High Heat Input Submerged Arc Welding. Metall Mater Trans B 51, 885–890 (2020). https://doi.org/10.1007/s11663-020-01821-z
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DOI: https://doi.org/10.1007/s11663-020-01821-z