Effects of Finish Rolling Temperature on Microstructure and Mechanical Properties of Ferritic-Rolled P-Added High Strength Interstitial-Free Steel Sheets

被引：11

作者：

Guo Wei-min ^{[1
,2
]}

Wang Zuo-cheng ^{[1
,2
]}

Liu Sheng ^{[1
,2
]}

Wang Xie-bin ^{[1
,2
]}

机构：

[1] Shandong Univ, Minist Educ, Key Lab Liquid Solid Struct Evolut & Proc Mat, Jinan 250061, Shandong, Peoples R China

[2] Shandong Univ, Sch Mat Sci & Engn, Jinan 250061, Shandong, Peoples R China

来源：

JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL | 2011年 / 18卷 / 05期

关键词：

ferrite; high strength IF steel; deep drawability; r-value; TI-IF STEELS; BEHAVIOR;

D O I：

10.1016/S1006-706X(11)60063-0

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The steels were rolled at 3 different finishing temperatures. The mechanical properties were tested by tensile tests. The results show that as finish rolling temperature decreases from 620 to 560 degrees C in ferrite region, the deep drawability of ferritic-rolled P-added high strength IF steels is improved, and r value rises from 1.14 to 1.37. Finish rolling temperature (FT) has less influence on other mechanical properties, such as yield strength, tensile strength and elongation. Microstructures of hot rolled and annealed steel sheets and precipitates of annealed steel sheets were also analyzed.

引用

页码：42 / 46

页数：5

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