The effect of cooling rate on the solidification and microstructure evolution in duplex stainless steelA DSC study

被引：0
|
作者：
Darja Steiner Petrovič
Miran Pirnat
Grega Klančnik
Primož Mrvar
Jožef Medved
机构：
[1] Institute of Metals and Technology,Faculty of Natural Sciences and Engineering
[2] Acroni,undefined
[3] d.o.o,undefined
[4] University of Ljubljana,undefined
来源：
Journal of Thermal Analysis and Calorimetry | 2012年 / 109卷
关键词：
DSC; Duplex stainless steel; Solidification; Cooling rate; Precipitation;
D O I：
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中图分类号：
学科分类号：
摘要：
The effects of the cooling rate on the solidification and microstructure evolution in the duplex stainless steel SAF 2205 was studied using DSC and light microscopy. A ferritoscope was used to measure the ferrite content. It was revealed that the cooling rate has an influence on the δ-ferrite nucleation temperature and the width of the solidification interval. Moreover, with an increase in cooling rate, the content of δ-ferrite increases, while the quantity of austenite in the ferrite matrix decreases and its morphology changes to acicular. A two-cycle DSC experiment made possible a more accurate interpretation of the collected data.
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页码：1185 / 1191
页数：6
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