Abstract
A series of fused CaF2-SiO2-CaO-based fluxes geared towards submerged arc welding has been prepared with incremental TiO2 additions. Through systematic investigation on physical properties, quantitative relationship between TiO2 content and corresponding structural information has been established, and the roles played by TiO2 have been profiled. It is found that TiO2 has been introduced into the silicate network by acting as network-former, increasing the degree of polymerization while lowering the strength of the flux.
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The authors sincerely thank the National Natural Science Foundation of China (Grant Nos. 51861130361, 51861145312, and 51850410522), Newton Advanced Fellowship by the Royal Society (Grant No. RP12G0414), Special Fund for Key Program of Science and Technology of Liaoning Province (Grant No. 2019JH1/101000014), Research Fund for Central Universities(Grant Nos. N172502004, and N2025025), Xingliao Talents Program (XLYC1807024 and XLYC1802024), and State Key Laboratory of Metal Material for Marine Equipment and Application (Project No. SKLMEA-K201903) for their financial support.
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Manuscript submitted April 26, 2020.
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Zhang, Y., Coetsee, T., Yang, H. et al. Structural Roles of TiO2 in CaF2-SiO2-CaO-TiO2 Submerged Arc Welding Fluxes. Metall Mater Trans B 51, 1947–1952 (2020). https://doi.org/10.1007/s11663-020-01935-4
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DOI: https://doi.org/10.1007/s11663-020-01935-4