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Finite Difference Simulation of Peritectic Transformation in Iron-Carbon Alloy

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Title: Finite Difference Simulation of Peritectic Transformation in Iron-Carbon Alloy
Authors: Matsuura, Kiyotaka Browse this author →KAKEN DB
Kudoh, Masayuki Browse this author
Keywords: peritectic reaction
δ⁄γ transformation
computer simulation
iron-carbon system
carbon steel
Issue Date: Jan-1998
Publisher: The Japan Institute of Metals
Journal Title: Materials Transactions, JIM
Volume: 39
Issue: 1
Start Page: 203
End Page: 210
Publisher DOI: 10.2320/matertrans1989.39.203
Abstract: The process of peritectic transformation during cooling of iron-carbon alloys has been simulated by a numerical analysis based on the direct finite difference method. During the peritectic transformation, austenite is produced from δ-ferrite by precipitation and from liquid by crystallization. The amount of precipitated austenite is approximately four times as large as that of the crystallized one. Both the amounts of the precipitated austenite and the crystallized one increase when the carbon content of the alloy increases from 0.09 to 0.17 mass%, but they decrease when it increases from 0.17 to 0.53 mass%. The finishing temperature of the peritectic transformation falls with the increase in carbon content from 0.09 to 0.17 mass%, but it rises with the further increase in carbon content to 0.53 mass%. The increase in cooling rate accelerates the transformation rate and reduces the finishing temperature.
Type: article
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)

Submitter: 松浦 清隆

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