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

被引：0
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作者：
Jin Zhang
Theresa Coetsee
Hongbiao Dong
Cong Wang
机构：
[1] Northeastern University,School of Metallurgy
[2] University of Pretoria,Department of Materials Science and Metallurgical Engineering
[3] University of Leicester,Department of Engineering
[4] Northeastern University,State Key Laboratory of Rolling and Automation
来源：
Metallurgical and Materials Transactions B | 2020年 / 51卷
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摘要：
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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页码：1953 / 1957
页数：4
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