Bainite Transformation of Low-carbon and Boron-containing Steel under Continuous Cooling

被引：1

作者：

Zhang, Zhi-hong ^{[1
,2
,3
,4
]}

Xue, Xiang-xin ^{[1
,2
,4
]}

机构：

[1] Northeastern Univ, Inst Met Resources & Environm Engn, Shenyang 110819, Liaoning, Peoples R China

[2] Liaoning Key Lab Met Resources Circulat Sci, Shenyang 110819, Liaoning, Peoples R China

[3] Liaoning Engn Technol Res Ctr Comprehens Utilizat, Shenyang 110819, Liaoning, Peoples R China

[4] Liaoning Univ, Key Labs Ecol Utilizat Technol Boron Resources &, Shenyang 110819, Liaoning, Peoples R China

来源：

JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL | 2014年 / 21卷 / 03期

关键词：

bainite start temperature; boron-containing steel; phase transformation; bainite; MICROALLOYED STEEL; MICROSTRUCTURE; DEFORMATION;

D O I：

10.1016/S1006-706X(14)60055-8

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The effects of deformation temperature and strain on bainite transformation of low carbon steel and boron-containing steel were investigated under continuous cooling conditions by means of dilatometric measurement and microstructure observation. The results show that with decreasing the deformation temperature from 1000 to 800 degrees C and increasing strains, bainite start temperature for boron-containing low carbon steel increases, whereas it decreases for low carbon steel under the same condition. The bainite microstructures are easily obtained for boron-containing steel deformed at different temperatures and different strains compared with plain low carbon steel. With increasing the continuous cooling rate, the bainite start temperature under deformed condition is about 20 degrees C higher than that under undeformed condition for boron-containing steel, but it changes slightly when the cooling rate is 20 degrees C/s or more.

引用

页码：359 / 363

页数：5

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