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：

暂无

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.

引用

页码：489 / 495

页数：6

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