Kinetic study on surface dissolution of nitrogen on liquid steel by isotope exchange technique

Seung Min Han, Joo Hyun Park, Sung Mo Jung, Jung Ho Park, Dong Joon Min

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The kinetic study of the nitrogen dissolution into the molten steel was investigated by an isotope exchange technique. The effects of O, S, C, B, and Mn addition on surface reaction have been considered at 1 873 K. Experimental results show that the rate determining step of nitrogen dissolution into molten Fe-O-S alloys would be dissociation reaction and the rate constant on bare surface of the liquid steel (K0) is 3.84×10-5 (mol/cm2.s.atm). The adsorption coefficients for oxygen, sulfur, and boron which were applied the dissociation determining model were calculated to be Ko=120, KS=65, and KB=0.9, respectively. In case of manganese addition, the rate constant can be increased with increasing the content of manganese. It seems that rate constant of bare surface of Fe-Mn alloy should be affected by addition of manganese.

Original languageEnglish
Pages (from-to)487-494
Number of pages8
JournalISIJ International
Volume49
Issue number4
DOIs
Publication statusPublished - 2009 Aug 11

Fingerprint

Steel
Manganese
Isotopes
Rate constants
Dissolution
Nitrogen
Kinetics
Molten materials
Liquids
Boron
Surface reactions
Sulfur
Oxygen
Adsorption

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Han, Seung Min ; Park, Joo Hyun ; Jung, Sung Mo ; Park, Jung Ho ; Min, Dong Joon. / Kinetic study on surface dissolution of nitrogen on liquid steel by isotope exchange technique. In: ISIJ International. 2009 ; Vol. 49, No. 4. pp. 487-494.
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Kinetic study on surface dissolution of nitrogen on liquid steel by isotope exchange technique. / Han, Seung Min; Park, Joo Hyun; Jung, Sung Mo; Park, Jung Ho; Min, Dong Joon.

In: ISIJ International, Vol. 49, No. 4, 11.08.2009, p. 487-494.

Research output: Contribution to journalArticle

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