Effect of heat treatment on mechanical properties and structure of high-strength pipe steels with a ferrite-bainite structure

被引：0
|
作者：
M. Yu. Matrosov
O. P. Talanov
I. V. Lyasotskii
D. L. Dyakonov
E. I. Khlusova
V. V. Orlov
A. M. Korchagin
D. S. Tsvetkov
S. D. Popova
机构：
[1] Bardin Central Research Institute of Ferrous Metallurgy,
[2] Prometey Central Research Institute of Structural Materials,undefined
[3] Severstal Cherepovets Metallurgical Combine,undefined
来源：
Metallurgist | 2011年 / 55卷
关键词：
heat treatment; pipe steels; ferrite-bainite microstructure; carbonitride precipitation; TEM method;
D O I：
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中图分类号：
学科分类号：
摘要：
The effect of heat treatment on mechanical properties and microstructure of high-strength low-alloy ferrite-bainite pipe steels is studied. Specimens are heated in a laboratory furnace up to a temperature in the range 100–850°C. Dependences for the change in mechanical properties on heating temperature and the main features of steel structure are determined. TEM is used to study excess phase precipitation, including Nb and V carbonitrides, during heating. Unfavorable temperature ranges are determined for heating pipe steels with a ferrite-bainite structure. The results obtained may be used in industrial production and during development of new technology for thermomechanical treatment.
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页码：489 / 495
页数：6
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