Effect of preliminary thermal treatment on decomposition kinetics of austenite in low-alloyed pipe steel in intercritical temperature interval

被引：0
|
作者：
A. N. Makovetskii
T. I. Tabatchikova
I. L. Yakovleva
N. A. Tereshchenko
D. A. Mirzaev
机构：
[1] OAO Chelyabinsk Pipe Rolling Plant,Institute of Metal Physics, Ural Branch
[2] Russian Academy of Sciences,undefined
[3] South-Ural State University,undefined
来源：
The Physics of Metals and Metallography | 2013年 / 114卷
关键词：
low-alloyed pipe steel; quenching; intercritical interval; austenite decomposition; ferrite; pearlite;
D O I：
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学科分类号：
摘要：
The decomposition kinetics of austenite that appears in the 13KhFA low-alloyed pipe steel upon heating the samples in an intercritical temperature interval (ICI) and exposure for 5 or 30 min has been studied by the method of high-speed dilatometry. The results of dilatometry are supplemented by the microstructure analysis. Thermokinetic diagrams of the decomposition of the γ phase are represented. The conclusion has been drawn that an increase in the duration of exposure in the intercritical interval leads to a significant increase in the stability of the γ phase.
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页码：521 / 528
页数：7
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