Modelling of nodular cast iron graphite growth in solid state

被引：0
|
作者：
Fraś, E. [1 ]
Burbelko, A.A. [1 ]
Kapturkiewicz, W. [1 ]
机构：
[1] University of Minning and Metallurgy, ul. Reymonta 30, PL-30-059 Kraków, Poland
来源：
Materials Science Forum | 2000年 / 329卷
关键词：
Austenite - Computer simulation - Cooling - Diffusion in solids - Eutectics - Ferrites - Grain size and shape - Graphite - Growth (materials) - Kinetic theory - Mathematical models;
D O I：
10.4028/www.scientific.net/msf.329-330.409
中图分类号：
学科分类号：
摘要：
A micro-model of the graphite and ferrite solid growth from austenite was developed for the nodular graphite cast iron and a simulation was performed. The model allows for a relationship which exists between the carbon diffusion coefficient and temperature, taking also into account the transient carbon distribution in austenite. A stationary diffusion flux of carbon through ferrite envelope was assumed. The simulation shows the effects of the eutectic grain radius and of the cooling rate on the kinetics of eutectoid transformation and cooling curve.
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页码：409 / 414
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