Optimizing Weldability of EH550 Offshore Engineering Steel via TiO2-Assisted Element Transfer During Submerged Arc Welding

Junjie Ma; Yanyun Zhang; Ming Zhong; Imants Kaldre; Cong Wang

doi:10.1007/s11663-025-03855-7

Optimizing Weldability of EH550 Offshore Engineering Steel via TiO₂-Assisted Element Transfer During Submerged Arc Welding

Junjie Ma
, Yanyun Zhang
, Ming Zhong
, Imants Kaldre
, Cong Wang^*

^*Šī darba korespondējošais autors

Fizikas institūts

Northeastern University China
Wuhan University of Science and Technology

Zinātniskās darbības rezultāts: Devums žurnālam › Zinātniskais raksts (žurnālā) › koleģiāli recenzēts

Kopsavilkums

MnO–SiO₂–TiO₂ fluxes have been designed to improve weldability for EH550 offshore engineering steel. It has been demonstrated that 40 mass pct TiO₂ enables the weld metal to possess a yield strength of 593 MPa and an impact energy of 58.9 J. Such enhancement is directly attributed to TiO₂-assisted element transfer, which suppresses Mn and Si contents while simultaneously reduces C loss by 0.0116 mass pct. Underlying mechanisms responsible for optimal weldability have been postulated.

Oriģinālvaloda	Angļu
Lapas (no-līdz)	6176-6182
Lapu skaits	7
Žurnāls	Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
Sējums	56
Izdevuma numurs	6
DOIs	https://doi.org/10.1007/s11663-025-03855-7
Publikācijas statuss	Publicēts - dec. 2025

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abstract = "MnO–SiO2–TiO2 fluxes have been designed to improve weldability for EH550 offshore engineering steel. It has been demonstrated that 40 mass pct TiO2 enables the weld metal to possess a yield strength of 593 MPa and an impact energy of 58.9 J. Such enhancement is directly attributed to TiO2-assisted element transfer, which suppresses Mn and Si contents while simultaneously reduces C loss by 0.0116 mass pct. Underlying mechanisms responsible for optimal weldability have been postulated.",

author = "Junjie Ma and Yanyun Zhang and Ming Zhong and Imants Kaldre and Cong Wang",

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doi = "10.1007/s11663-025-03855-7",

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Optimizing Weldability of EH550 Offshore Engineering Steel via TiO₂-Assisted Element Transfer During Submerged Arc Welding. / Ma, Junjie; Zhang, Yanyun; Zhong, Ming u.c.
(gadā): Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science, Sēj. 56, Nr. 6, 12.2025, lpp. 6176-6182.

Zinātniskās darbības rezultāts: Devums žurnālam › Zinātniskais raksts (žurnālā) › koleģiāli recenzēts

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AU - Wang, Cong

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