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Original scientific paper

Effect of ludwigite (B2O3) on high Al2O3 slag and its mechanism used as a new blast furnace welding flux

B. Dai ; State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization, Panzhihua, Sichuan, China
H. Long ; Key Laboratory of Metallurgical Emission Reduction & Resources Recycling, Anhui University of Technology, Ministry of Education, Maanshan, Anhui, China; Anhui Province Key Laboratory of Metallurgical Engineering & Resources Recycling, Anhui University of Technology, Maanshan, Anhui, China
Y. Wen ; State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization, Panzhihua, Sichuan, China
Y. Ji ; Key Laboratory of Metallurgical Emission Reduction & Resources Recycling, Anhui University of Technology, Ministry of Education, Maanshan, Anhui, China; Anhui Province Key Laboratory of Metallurgical Engineering & Resources Recycling, Anhui University of Technology, Maanshan, Anhui, China

Fulltext: english, pdf (580 KB) pages 455-458 downloads: 36* cite
APA 6th Edition
Dai, B., Long, H., Wen, Y. & Ji, Y. (2020). Effect of ludwigite (B2O3) on high Al2O3 slag and its mechanism used as a new blast furnace welding flux. Metalurgija, 59 (4), 455-458. Retrieved from https://hrcak.srce.hr/241158
MLA 8th Edition
Dai, B., et al. "Effect of ludwigite (B2O3) on high Al2O3 slag and its mechanism used as a new blast furnace welding flux." Metalurgija, vol. 59, no. 4, 2020, pp. 455-458. https://hrcak.srce.hr/241158. Accessed 31 Oct. 2020.
Chicago 17th Edition
Dai, B., H. Long, Y. Wen and Y. Ji. "Effect of ludwigite (B2O3) on high Al2O3 slag and its mechanism used as a new blast furnace welding flux." Metalurgija 59, no. 4 (2020): 455-458. https://hrcak.srce.hr/241158
Harvard
Dai, B., et al. (2020). 'Effect of ludwigite (B2O3) on high Al2O3 slag and its mechanism used as a new blast furnace welding flux', Metalurgija, 59(4), pp. 455-458. Available at: https://hrcak.srce.hr/241158 (Accessed 31 October 2020)
Vancouver
Dai B, Long H, Wen Y, Ji Y. Effect of ludwigite (B2O3) on high Al2O3 slag and its mechanism used as a new blast furnace welding flux. Metalurgija [Internet]. 2020 [cited 2020 October 31];59(4):455-458. Available from: https://hrcak.srce.hr/241158
IEEE
B. Dai, H. Long, Y. Wen and Y. Ji, "Effect of ludwigite (B2O3) on high Al2O3 slag and its mechanism used as a new blast furnace welding flux", Metalurgija, vol.59, no. 4, pp. 455-458, 2020. [Online]. Available: https://hrcak.srce.hr/241158. [Accessed: 31 October 2020]

Abstracts
Based on the measurement of viscosities and critical temperatures of CaO-MgO-SiO2- Al2O3-B2O3 slag system with various B2O3 contents, the slag with higher than 15 mas. % Al2O3 content has the lowest critical temperature and the widest solid-liquid coexisting region at about 2,0 mas. % B2O3. Furthermore, the X-ray diffractometer (XRD) result verified that bechilites whose melting point are low forms. Raman spectra revealed that the effect of network forming on viscosity is smaller than the effect of bechilites, which leads to the slag viscosity decrease with B2O3 addition. Base on the above research, so ludwigite can meet the requirements of a BF welding flux to decrease the critical temperature and improve the fluidity of the high Al2O3 slag.

Keywords
blast furnace; hearth activity; high Al2O3 slag; B2O3

Hrčak ID: 241158

URI
https://hrcak.srce.hr/241158

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