Influence of Ingot Shape and Chemical Composition on the Inverse-V Segregation in Killed Steel Ingots

Tsuchida, Yoichi; Nakada, Masayuki; Kunisada, Yasunobu; Teshima, Toshio

doi:10.2355/tetsutohagane1955.73.9_1125

Cited by 3 publications

(1 citation statement)

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“…[234] Tsuchida et al investigated the influence of ingot shape and composition on inverse-V segregation in 5 to 40 t Al-killed steel ingots. [235] Moore and Shah reviewed theories of V and inverse-V segregation and noted the importance of interactions among fluid flow, heat transfer, and composition. [233] Ohnaka and Matsumoto simulated macrosegregation directly in ingots.…”

Section: Inclusion Transport and Capture In Ingot Castingmentioning

confidence: 99%

State of the art in the control of inclusions during steel ingot casting

Zhang

Thomas

2006

Metall Mater Trans B

244

129

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This article extensively reviews published research on inclusions in ingot steel and defects on ingot products, methods to measure and detect inclusions in steel, the causes of exogenous inclusions, and the transport and entrapment of inclusions during fluid flow, segregation, and solidification of steel cast in ingot molds. Exogenous inclusions in ingots originate mainly from reoxidation of the molten steel, slag entrapment, and lining erosion, which are detailed in this article. The measures to prevent the formation of exogenous inclusions and improve their removal are provided, which are very useful for the clean steel production of ingot industries.

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Section: Inclusion Transport and Capture In Ingot Castingmentioning

confidence: 99%

State of the art in the control of inclusions during steel ingot casting

Zhang

Thomas

2006

Metall Mater Trans B

244

129

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Formation and Control of Large Oxide Inclusions at the Spot-Segregation Defects of Al-Killed GCr15SiMn Ingots

Zhang

Cheng

Huang

et al. 2023

Metall Mater Trans B

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Critical Conditions for the Formation of A-segregation in 9Cr1Mo Steels

Ishida¹,

Sakamoto²,

Nohara³

et al. 2009

Tetsu-to-Hagane

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Laboratory scale casting experiment in 9Cr1Mo steel of 20 kg in mass was carried out and critical conditions for the formation of A-segregation was investigated. Critical values of cooling and solidification rates of the casing for the formation of A-segregation were evaluated based on the thermal analysis and metallographic examination. The influence of the addition of Mo, V and W on the formation of A-segregation was examined and it was shown that A-segregation was reduced in order of V, Mo and W addition. Phase-field simulations were carried out for the evolution of dendrite in Fe-C-V, Fe-C-Mo and Fe-C-W ternary alloys. It was shown that the effect of the adding elements on the promotion of the branching of dendrite is in order of V, Mo and W. Based on the simulation results, dendrite morphology becomes finer in V addition, then interdendritic fluidity decreased and the formation of A-segregation was suppressed.

show abstract

Influence of Ingot Shape and Chemical Composition on the Inverse-V Segregation in Killed Steel Ingots

Cited by 3 publications

References 0 publications

State of the art in the control of inclusions during steel ingot casting

State of the art in the control of inclusions during steel ingot casting

Formation and Control of Large Oxide Inclusions at the Spot-Segregation Defects of Al-Killed GCr15SiMn Ingots

Critical Conditions for the Formation of A-segregation in 9Cr1Mo Steels

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