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Study on clogging mechanism of submerged entry nozzle of steel 38CrMoAl

Z. Y. Xu ; School of Materials and Metallurgy, University of Science and Technology Liaoning, China
J. H. Liu ; School of Materials and Metallurgy, University of Science and Technology Liaoning, China
Z. J. He ; School of Materials and Metallurgy, University of Science and Technology Liaoning, China
Q. H. Pang ; School of Materials and Metallurgy, University of Science and Technology Liaoning, China

Puni tekst: engleski, pdf (403 KB) str. 79-82 preuzimanja: 226* citiraj
APA 6th Edition
Xu, Z.Y., Liu, J.H., He, Z.J. i Pang, Q.H. (2018). Study on clogging mechanism of submerged entry nozzle of steel 38CrMoAl. Metalurgija, 57 (1-2), 79-82. Preuzeto s https://hrcak.srce.hr/189369
MLA 8th Edition
Xu, Z. Y., et al. "Study on clogging mechanism of submerged entry nozzle of steel 38CrMoAl." Metalurgija, vol. 57, br. 1-2, 2018, str. 79-82. https://hrcak.srce.hr/189369. Citirano 11.12.2019.
Chicago 17th Edition
Xu, Z. Y., J. H. Liu, Z. J. He i Q. H. Pang. "Study on clogging mechanism of submerged entry nozzle of steel 38CrMoAl." Metalurgija 57, br. 1-2 (2018): 79-82. https://hrcak.srce.hr/189369
Harvard
Xu, Z.Y., et al. (2018). 'Study on clogging mechanism of submerged entry nozzle of steel 38CrMoAl', Metalurgija, 57(1-2), str. 79-82. Preuzeto s: https://hrcak.srce.hr/189369 (Datum pristupa: 11.12.2019.)
Vancouver
Xu ZY, Liu JH, He ZJ, Pang QH. Study on clogging mechanism of submerged entry nozzle of steel 38CrMoAl. Metalurgija [Internet]. 2018 [pristupljeno 11.12.2019.];57(1-2):79-82. Dostupno na: https://hrcak.srce.hr/189369
IEEE
Z.Y. Xu, J.H. Liu, Z.J. He i Q.H. Pang, "Study on clogging mechanism of submerged entry nozzle of steel 38CrMoAl", Metalurgija, vol.57, br. 1-2, str. 79-82, 2018. [Online]. Dostupno na: https://hrcak.srce.hr/189369. [Citirano: 11.12.2019.]

Sažetak
By phase analysis of the clog of nozzle and type analysis of inclusion in 38CrMoAl steel, the effects of calcium treatment on nozzle scabbiness were analyzed and the mechanisms of clogging were discussed. The results indicated that the clogs of nozzle consist of Al2O3, MgO• Al2O3, CaS and calcium aluminate mixture, Because the inclusion in molten steel with high melting point aggregating in nozzle inner wall. Clogging has been caused by high sulfur content of steel liquid, irrelevant refining slag system and excessive calcium treatment. The nozzle clogging was analyzed and some measures were put forward.

Ključne riječi
38CrMoAl; calcium treatment; inclusion; nozzle clogging; X-Ray Diffraction (XRD)

Hrčak ID: 189369

URI
https://hrcak.srce.hr/189369

Posjeta: 351 *