Transformation of Oxide Inclusions in Type 304 Stainless Steels during Heat Treatment

被引：0
|
作者：
Ying Ren
Lifeng Zhang
P. Chris Pistorius
机构：
[1] University of Science and Technology Beijing (USTB),School of Metallurgical and Ecological Engineering
[2] Carnegie Mellon University,Department of Materials Science and Engineering, Center for Iron and Steelmaking Research
来源：
Metallurgical and Materials Transactions B | 2017年 / 48卷
关键词：
Oxide Inclusions; Manganese Silicate; Manganese Chromite; Diffusion-controlled Transformation; Inclusion Size;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Heat treatment of Type 304 stainless steel in the range of 1273 K (1000 °C) to 1473 K (1200 °C) can transform manganese silicate inclusions to manganese chromite (spinel) inclusions. During heat treatment, Cr reacts with manganese silicate to form spinel. The transformation rate of inclusions depends strongly on both temperature [in the range of 1273 K to 1473 K (1000 °C to 1200 °C)] and inclusion size. A kinetic model, developed using FactSage macros, showed that these effects agree quantitatively with diffusion-controlled transformation. A simplified analytical model, which can be used for rapid calculations, predicts similar transformation kinetics, in agreement with the experimental observations.
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页码：2281 / 2292
页数：11
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