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Rate of Peritectic Reaction in Iron-Carbon System Measured by Solid/Liquid Diffusion Couple Method
| Title: | Rate of Peritectic Reaction in Iron-Carbon System Measured by Solid/Liquid Diffusion Couple Method |
| Authors: | Matsuura, Kiyotaka Browse this author →KAKEN DB | | Maruyama, Hisashi Browse this author | | Itoh, Youichi Browse this author | | Kudoh, Masayuki Browse this author | | Ishii, Kuniyoshi Browse this author |
| Keywords: | peritectic reaction | | reaction rate | | diffusion couple | | solidification | | transformation | | diffusion | | iron-carbon system |
| Issue Date: | 15-Feb-1995 |
| Publisher: | Iron and Steel Institute of Japan |
| Journal Title: | ISIJ International |
| Volume: | 35 |
| Issue: | 2 |
| Start Page: | 183 |
| End Page: | 187 |
| Publisher DOI: | 10.2355/isijinternational.35.183 |
| Abstract: | A model experiment was made for study on the effects of temperature on the reaction rate in isothermal peritectic reaction in iron-carbon system by using a soliid/liquid diffusion couple method. Measurements of the variation in carbon concentration over δ, γ, and liquid phases show a decrease in the carbon concentration from the γ/liquid interface to the δ/γ interface and an equilibrium partition of carbon at both the interfaces. The γ-phase grows into both δ and liquid phases. A regression analysis of the thickness of the γ-phase, x (μm), with the reaction time, t (s), results in the following relations.
x=36.6t1/2 at 1755 K
x=54.7t1/2 at 1722 K
x=71.0t1/2 at 1689 K
These relationships imply that the peritectic reaction follows the parabolic law and that the reaction rate is higher at lower temperatures. It was found that about 90% of the γ-phase formed through the peritectic reaction is the transformation product from the δ-phase and about 10% the solidification product from the liquid phase. |
| Rights: | 著作権は日本鉄鋼協会にある |
| Type: | article |
| URI: | http://hdl.handle.net/2115/75740 |
| Appears in Collections: | 工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 松浦 清隆
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