Solubility of Nitrogen in High Manganese Steel (HMnS) Melts: Interaction Parameter between Mn and N |
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| Authors: | Jae Hong Shin Joonho Lee Dong Joon Min Joo Hyun Park |
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| Affiliation: | (1) School of Materials Science and Engineering, University of Ulsan, Ulsan, 680-749, Korea;(2) Department of Material Science and Engineering, Korea University, Seoul, 136-713, Korea;(3) Department of Materials Science and Engineering, Yonsei University, Seoul, 120-749, Korea; |
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| Abstract: | Nitrogen solubility in Fe-Mn melts was measured using a N2 bubbling and sampling method at temperatures from 1823 K to 1923 K (1550 °C to 1650 °C) for manganese content to about 25 mass pct.
The effect of temperature on the nitrogen solubility was well described based on the thermodynamic behavior of Fe-Mn system.
Furthermore, the interaction parameter between Mn and N was evaluated as a function of temperature. The present results can
be used in thermodynamic analyses of the formation of nitride compounds such as AlN or TiN in high manganese steel melts for
example, transformation induced plasticity (TRIP) and twin induced plasticity (TWIP) aided steels as well as high Mn-N alloyed
stainless steels. |
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