Effects of a strong magnetic field on the phase stability of plain carbon steels

被引：183
作者：
Choi, JK
Ohtsuka, H
Xu, Y
Choo, WY
机构：
[1] Pohang Iron & Steel Ltd, Tech Res Lab, Pohang 790785, Kyung Buk, South Korea
[2] Natl Res Inst Met, Tsukuba Magnet Lab, Tsukuba, Ibaraki 3050003, Japan
来源：
SCRIPTA MATERIALIA | 2000年 / 43卷 / 03期
关键词：
phase transformations/phase equilibria; theory and modeling/thermodynamics; critical phenomena; magnetic field;
D O I：
10.1016/S1359-6462(00)00394-8
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The influence of magnetic field on the equilibrium phase diagram of an Fe-C binary system was thermodynamically examined. A strong magnetic field increased the austenite/ferrite equilibrium temperature due to the higher magnetic susceptibility of ferrite. The existence of external magnetic field increased the eutectoid carbon content, critical temperatures, and carbon solubility in the ferrite phase of steel. Continuous-cooling experiments revealed that a strong magnetic field substantially increased the fraction of prior-austenite ferrite of medium carbon steel while it suppressed the precipitation of prior-austenite cementite in hyper-eutectoid steel.
引用
收藏
页码：221 / 226
页数：6
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