Effect of Micro Rare Earth Element Ce on High Temperature Mechanical Properties of IF Steel

杨吉春; 杨昌桥; 王少军

您当前的位置：

首页 >

文章列表页 >

Effect of Micro Rare Earth Element Ce on High Temperature Mechanical Properties of IF Steel

更新时间：2026-01-21

- Effect of Micro Rare Earth Element Ce on High Temperature Mechanical Properties of IF Steel
- Special Steel Vol. 35, Issue 2, Pages: 65-67(2014)
- 作者机构：
  
  1. 内蒙古科技大学材料与冶金学院,包头,014010
  2. 首钢京唐钢铁联合有限责任公司炼钢部,唐山,063000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：16 October 2013，
  
  Online First：14 September 2022，
  
  Published：14 September 2014
- 稿件说明：
移动端阅览
杨吉春, 杨昌桥, 王少军. Effect of Micro Rare Earth Element Ce on High Temperature Mechanical Properties of IF Steel[J]. Special Steel, 2014, 35(2): 65-67.
DOI：

杨吉春, 杨昌桥, 王少军. Effect of Micro Rare Earth Element Ce on High Temperature Mechanical Properties of IF Steel[J]. Special Steel, 2014, 35(2): 65-67. DOI：

摘要

试验用无间隙原子钢-IF(/%:0.0036~0.0049C，0.005~0.007Si，0.11~0.12Mn，0.007P，0.005S，0.007~0.011Alt，0.047~0.051Ti，0.0030N，0~0.0037Ce)由10 kg真空感应炉熔炼

锻成30 mm×25 mm方坯

终锻950℃

空冷。通过Gleeble-1500D热模拟试验机对试验钢在750~1150℃进行应变速率0.1 s

-1

的拉伸试验

研究微量稀土Ce对该IF钢高温拉伸性能的影响。与不含Ce的IF钢相比

含0.0037%Ce的IF钢的热塑性(Z值)和热强性(Rm值)有明显提高

但随温度提高

增加值减少;IF钢和IF-Ce钢的高温断面收缩率、抗拉强度分别为750℃:(IF)77.62%-110 MPa和(IF-Ce)88.65%-160 MPa;950℃:(IF)87.35%-85 MPa和(IF-Ce)92.88%-100MPa；1150℃:(IF)85.68%-55 MPa和(IF-Ce)90.62%-58 MPa。稀土元素改善钢的组织、细化晶粒、偏聚于晶界提高晶界强度是其提高IF钢热塑性和热强性的主要原因。

Abstract

The test interstitial-free steel IF(/% : 0.0036-0.0049C

0.005-0.007Si

0.11-0.12Mn

0.007P

0.005S

0.007-0.011Alt

0.047-0.051Ti

0.0030N

0-0.0037Ce) is melted by a 10 kg vacuum induction furnace

and forged to 30 mm x 25 mm billet

finishing forging at 950 ℃

air cooling. With using Gleeble-1500D thermal simulation testing machine the tensile test on the testing steel with strain rate 0. 1 s

-1

at 750-1150 ℃ has been carried out to study the effect of micro rare earth (RE) element Ce on high temperature tensile properties of the IF steel. As compared with IF steel non-containing Ce

the hot plasticity ( reduction of area-Z value) and hot tensil

e strength ( Rm value) of IF-Ce steel containing 0. 0037%Ce increase obviously

but with increasing temperature the increment decreases ； the reduction of area and tensile strength at elevated temperature of IF steel and IF-Ce steel respectively are 77.62% -110 MPa for IF and 88.65%-160 MPa for IF-Ce at 750 °C ； 87.35% -85 MPa for IF and 92.88% -100 MPa for IF-Ce at 950 ℃: and 85.68% - 55 MPa for IF and 90.62% -58 MPa for IF-Ce at 1150 °C. The main reasons to increase hot plasticity and hot tensile strength of IF steel by adding RE element are that the element Ce improves structure of steel

fines grain size

and segregates and clusters at grain boundary to increase the strength of grain boundary.

关键词

Keywords

references

Views

下载量

CSCD

CNKI被引量

Alert me when the article has been cited

提交

Tools

Publicity Resources

A Study on Evolution of Recrystallization Structure and Textures in an IF Steel during Batch Annealing Process

Effect of Annealing Temperature on Structure of 0.2C-1.5Si-1.5Mn-(0.5Cu)TRIP Steel

Structure and Properties of Coarse Grain Heat Affected Zone of Zr Microalloying HSLA Steel

Structure and Properties of Low Carbon Sheet produced by FTSR Concasting Thin Slab Continuous Rolling Process at Tangshan Iron and Steel

Effect of Deformation on Structure and Mechanical Properties of Non-Orientation Silicon Steel 50W470

Related Author

冯岩青

王福明

景财年

王作成

李长龙

罗辉

李成美

刘一梅

Related Institution

北京科技大学冶金与生态工程学院

包钢技术中心

山东大学材料科学与工程学院

山东建筑工程学院材料系

武汉钢铁(集团)公司技术中心

⁰