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Element Transfer Behaviors of Fused CaF2-TiO2 Fluxes in EH36 Shipbuilding Steel During High Heat Input Submerged Arc Welding
Metallurgical and Materials Transactions B ( IF 2.4 ) Pub Date : 2020-08-10 , DOI: 10.1007/s11663-020-01936-3
Jin Zhang , Theresa Coetsee , Hongbiao Dong , Cong Wang

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.

中文翻译:

EH36造船钢中熔融CaF2-TiO2焊剂在高热输入埋弧焊过程中的元素转移行为

开发了熔融 CaF2-TiO2 焊剂,并在高热输入埋弧焊下应用于 EH36 造船板。系统地研究了 O 和主要合金元素的转移行为。TiO2 有助于焊池中的 O 增加,但通过脱氧和脱碳反应导致 Si、Mn 和 C 的同时损失。由于焊剂氧电位的提高以及CaF2 和TiO2 之间的化学相互作用,Ti 向焊缝金属的转移受到抑制。
更新日期:2020-08-10
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