The precipitation behavior of second phase in high titanium microalloyed steels and its effect on microstructure and properties of steel-Reference-Cited by-同舟云学术

The precipitation behavior of second phase in high titanium microalloyed steels and its effect on microstructure and properties of steel

Published:2022-01-01 Issue:1 Volume:41 Page:111-122
ISSN:2191-0324
Container-title:High Temperature Materials and Processes
language:en
Short-container-title:

Author:

Guo Xiaopei¹²,Li Tao³,Shang Zhiqiang¹²,Zhu Yulin¹²,Li Guannan¹⁴

Affiliation:

1. College of Materials Science and Engineering, Chongqing University , Chongqing , 400044 , P. R. China

2. Chongqing Key Laboratory of Vanadium-Titanium Metallurgy and Advanced Materials, Chongqing University , Chongqing , 400044 , P. R. China

3. College of Metallurgy and Energy, North China University of Science and Technology , 063000 , P. R. China

4. Technical Center, Handan Branch of Hegang Co., Ltd , Handan , 056015 , P. R. China

Abstract

Abstract The thermodynamic precipitation behavior of the second-phase particles in Nb-containing high titanium microalloyed steel has been studied by calculation in this article. It is revealed that FCC_A1#2 is isomorphic with FCC_A1#3 and the contents of Ti and Nb elements are much higher than that of FCC_A1#3. The influence of different quenching temperatures on microstructure and mechanical properties of steel was also studied. The results indicate that the quenching temperature should be controlled below 1,100°C and the soaking time should not exceed 60 min to avoid abnormal grain growth. The thermodynamic calculation and experimental results have certain theoretical guiding significance for the practical industrial application of high titanium–niobium steel.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

https://www.degruyter.com/document/doi/10.1515/htmp-2022-0027/pdf

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