A dissolution kinetics model and its application to duplex stainless steels

被引：36
作者：
Ferro, P. [1 ]
机构：
[1] Univ Padua, Dept Management & Engn, I-36100 Vicenza, Italy
来源：
ACTA MATERIALIA | 2013年 / 61卷 / 09期
关键词：
Kinetics; Dissolution; Modelling; Semi-empirical models; Sigma phase; SIGMA-PHASE FORMATION; DIFFUSION-CONTROLLED DISSOLUTION; SHAPE-MEMORY ALLOYS; MICROSTRUCTURAL STABILITY; TRANSFORMATION; TEMPERATURE; PRECIPITATION; SIMULATION; PLANAR; GROWTH;
D O I：
10.1016/j.actamat.2013.01.034
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This work proposes a semi-empirical model for isothermal particle dissolution. An impingement factor in the form y(c+1) is introduced to generalize the exponential law found in the recent literature and numerically obtained by means of the phase field method. A procedure is described for calibration of the model parameters that uses information from isothermal experiments. The model was applied to isothermal dissolution of a. phase in duplex stainless steels. A very good agreement was obtained between experimental and analytical results. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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页码：3141 / 3147
页数：7
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