Equilibrium between Cerium and Sulphur in Liquid Iron

Ejima, Akio; Suzuki, Ken‐ichiro; Harada, Nobuo; Sanbongi, Koji

doi:10.2355/tetsutohagane1955.61.13_2784

Cited by 8 publications

(9 citation statements)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Because the activities of titanium in Ti 3 O 5 -Ti 2 O 3 doubly saturated conditions are identical in Eqs. [3] and [4], a relationship shown as Eq. [5] can be obtained.…”

Section: A Principle-determination Methods Of Interaction Parameters mentioning

confidence: 99%

“…Titanium activity in the Fe-Ti-M-O melt is expressed by Eq. [3], replacing the activity coefficient of titanium by WagnerÕs first-order interaction parameters [15] in molten iron.…”

Section: A Principle-determination Methods Of Interaction Parameters mentioning

confidence: 99%

“…Accordingly, controlling the formation of these inclusions remains an important issue, and knowledge of the thermodynamic properties of titanium in molten iron is needed for that purpose. However, the reported values of the interaction parameters of titanium in molten iron [1][2][3][4][5][6][7][8][9][10][11][12][13] are not sufficient for the various compositions of steel manufactured today.…”

mentioning

confidence: 96%

See 2 more Smart Citations

Influence of Alloying Elements on the Thermodynamic Properties of Titanium in Molten Steel

Yoshikawa

Morita

2007

Metall Mater Trans B

View full text Add to dashboard Cite

The influences of alloying elements of chromium, nickel, manganese, molybdenum, copper, and oxygen on the thermodynamic property of titanium in molten iron were investigated at 1873 K to improve control of the formation of titanium compounds in the steelmaking processes. At a certain titanium potential controlled by the coexistence of Ti 3 O 5 and Ti 2 O 3 with steel, the interaction parameters between alloying elements and titanium in molten iron were determined as follows.e Mn Ti ¼ À 27:4ðAE0:66Þ; e Cr Ti ¼ 5:33ðAE0:84Þ; e Ni Ti ¼ À3:93ðAE0:51Þ; e Mo Ti ¼ 5:76ðAE0:69Þ; e Cu Ti ¼ 3:44ðAE0:69Þ Through the investigation of titanium deoxidation equilibria in molten iron, the activity coefficient of titanium and the first-order interaction parameter between oxygen and titanium were determined as follows:c Ti ¼ 0:0215ðAE0:00062Þ; e Ti O ¼ À160ðAE10Þ Also, titanium deoxidation of molten 304 stainless steel was measured and compared with the calculated results using the determined interaction parameters.

show abstract

“…Because the activities of titanium in Ti 3 O 5 -Ti 2 O 3 doubly saturated conditions are identical in Eqs. [3] and [4], a relationship shown as Eq. [5] can be obtained.…”

Section: A Principle-determination Methods Of Interaction Parameters mentioning

confidence: 99%

“…Titanium activity in the Fe-Ti-M-O melt is expressed by Eq. [3], replacing the activity coefficient of titanium by WagnerÕs first-order interaction parameters [15] in molten iron.…”

Section: A Principle-determination Methods Of Interaction Parameters mentioning

confidence: 99%

mentioning

confidence: 96%

See 1 more Smart Citation

Influence of Alloying Elements on the Thermodynamic Properties of Titanium in Molten Steel

Yoshikawa

Morita

2007

Metall Mater Trans B

View full text Add to dashboard Cite

show abstract

“…[1][2][3][4][5][6][7][8] Considering that nodularizing treatment is a series of processes involving the dissolution/melting of nodularizing agent, followed by reactions with solutes (S, O etc.) to form inclusions and,…”

Section: )mentioning

confidence: 99%

“…Additions of REE-contained nodularizing agents are known to increase the number of graphite nodules 1,2) and to promote the uniformity of graphite nodularity in ductile iron with thickness varied. 3) Due to the strong affinities of REEs with dissolved oxygen 4) and dissolved sulfur 5) in molten iron, non-metallic inclusions such as RE oxides, sulfides, and oxy-sulfides are produced. In investigating the formation mechanism of nodular graphite, numerous studies have since identified the presence of these inclusions at the center of nodular graphite.…”

Section: Introductionmentioning

confidence: 99%

Heterogeneous Nucleation of Graphite on Rare Earth Compounds during Solidification of Cast Iron

Sasaki

Kimura

et al. 2018

ISIJ International

View full text Add to dashboard Cite

To investigate the heterogeneous nucleation of graphite on rare earth non-metallic inclusions during the solidification of cast iron, Fe-4.1mass%C-2.5mass%Si and S-added Fe-4.1mass%C-2.5mass%Si-0.01mass%S alloys are contact-melted and solidified on RE 2 O 3 (RE; La, Yb) substrates. Regarding the Fe-4.1mass%C-2.5mass%Si alloy, XRD analysis and SEM observation results show that graphite, with an overall orientation in the [0001] direction, precipitates at the alloy/substrate interface. In addition, formation of nodular graphite with rare earth sulfides as the heterogeneous nuclei is observed in the bulk alloy. In the 0.01%S-added specimens, precipitation of graphite at the alloy/substrate interface is observed to be significantly weakened compared to reference specimens. Such precipitation behavior is considered to be due to the increased formation of nodular graphite in the bulk as a result of S addition. Based on these results, the precipitation behavior of graphite on rare earth compounds is discussed.

show abstract

Ladle deoxidation, desulphurisation and inclusions in steel - Part 1: Fundamentals

Turkdogan¹

1983

Archiv für das Eisenhüttenwesen

View full text Add to dashboard Cite

Critical review and reassessment of technology on the fundamental aspects of ladle deoxidation, desulphurisation and inclusions in steel. Selected equilibrium data on the solubility products of simple and complex oxides, sulphides and oxysulphides in liquid steel. Equilibrium data for sulphur distribution between calcium aluminate slags and liquid steel deoxidised with aluminium. Capability of lime‐saturated calcium aluminate of desulphurising aluminium‐killed steel to levels below 0.001% S. Mechanism of dissolution of metallic additives in liquid steel. Nucleation, growth and flotation of reaction products.

show abstract

Equilibrium between Cerium and Sulphur in Liquid Iron

Cited by 8 publications

References 1 publication

Influence of Alloying Elements on the Thermodynamic Properties of Titanium in Molten Steel

Influence of Alloying Elements on the Thermodynamic Properties of Titanium in Molten Steel

Heterogeneous Nucleation of Graphite on Rare Earth Compounds during Solidification of Cast Iron

Ladle deoxidation, desulphurisation and inclusions in steel - Part 1: Fundamentals

Contact Info

Product

Resources

About