Effect of P and B on Recrystallization Textures and Mechanical Properties of High Strength Ti-IF Steel

彭堃; 宋新莉; 朱微微; 朱上; 贾涓; 袁泽喜

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Effect of P and B on Recrystallization Textures and Mechanical Properties of High Strength Ti-IF Steel

更新时间：2026-01-21

- Effect of P and B on Recrystallization Textures and Mechanical Properties of High Strength Ti-IF Steel
- Special Steel Vol. 34, Issue 2, Pages: 55-58(2013)
- 作者机构：
  
  武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,武汉,430081
- 作者简介：
- 基金信息：
- DOI：
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- Received：15 October 2012，
  
  Online First：08 October 2022，
  
  Published：08 October 2013
- 稿件说明：
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彭堃, 宋新莉, 朱微微, et al. Effect of P and B on Recrystallization Textures and Mechanical Properties of High Strength Ti-IF Steel[J]. Special Steel, 2013, 34(2): 55-58.
DOI：

彭堃, 宋新莉, 朱微微, et al. Effect of P and B on Recrystallization Textures and Mechanical Properties of High Strength Ti-IF Steel[J]. Special Steel, 2013, 34(2): 55-58. DOI：

摘要

利用电子背散射技术(EBSD)等研究了4种P-B成分(/%:0.076～0.110P和0～0.005 2B)对Ti-IF钢(/%:0.001～0.003C、0.06～0.08Si、0.32～0.38Mn、0.002～0.008S、0.036～0.076Ti、0.002 0～0.004 0N)0.75mm冷轧板810℃ 120 s空冷退火后再结晶织构、强度、伸长率、加工硬化指数(n)和塑性应变比(r)的影响。结果表明

4种P-B成分冷轧Ti-IF钢退火后均发生了完全再结晶

获得多边形铁素体晶粒

主要织构组分是{111}<112>和{111}<110>。当P含量较高(0.110%)、B含量较低(0.000 6%)时钢的强度较高(抗拉强度387.5MPa

屈服强度260 MPa)

但r值较低(1.5);P、B含量适量(0.089%P、0.005 2%B)

强度和r值均较高(抗拉强度367.3 MPa

屈服强度201.5 MPa

r值1.95)。

Abstract

The effect of 4 group P-B content (/% : 0.076-0.110P

0-0.0052B) on recrystallization textures

strength

elongation

work hardening exponent (n) and plastic strain ratio (r) of Ti-IF steel (/% : 0.001-0.003C

0.06 -0.08Si

0.32-0.38Mn

0.002-0.008S

0.036-0.076Ti

0.0020-0.0040N) 0.75 mm cold rolled sheet after annealing at 810 ℃ for 120 s air cooling has been studied by using electron backscatter diffraction (EBSD) technique etc. Results show that all annealed Ti-IF steels with 4 group P-B content have fully recrystallized to get polygonal ferrite with main texture components {111} <112> and {111} <110>. As higher P content (0.110% ) and lower B content (0.0006% ) the strength of steel is higher (tensile strength 387.5 MPa

Yield strength 260 MPa) but the r value is lower (1.5)； as with suitable P and B content (0.089% P and 0.0052% B)

the strength and r value are all higher (tensile strength 367.3 MPa

yield strength 201.5 MPa and r value 1.95).

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