Effect of Rare-Earth Element Ce on Modification of Inclusion in Stainless Steel 2Cr13

杨吉春; 刘晓; 高学中; 曹雄

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Effect of Rare-Earth Element Ce on Modification of Inclusion in Stainless Steel 2Cr13

更新时间：2026-01-21

- Effect of Rare-Earth Element Ce on Modification of Inclusion in Stainless Steel 2Cr13
- Special Steel Vol. 28, Issue 3, Pages: 30-31(2007)
- 作者机构：
  
  内蒙古科技大学材料与冶金学院,包头,014010
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：26 November 2006，
  
  Online First：31 January 2023，
  
  Published：31 January 2007
- 稿件说明：
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杨吉春, 刘晓, 高学中, et al. Effect of Rare-Earth Element Ce on Modification of Inclusion in Stainless Steel 2Cr13[J]. Special Steel, 2007, 28(3): 30-31.
DOI：

杨吉春, 刘晓, 高学中, et al. Effect of Rare-Earth Element Ce on Modification of Inclusion in Stainless Steel 2Cr13[J]. Special Steel, 2007, 28(3): 30-31. DOI：

摘要

2Cr13(0.19％C、12.88％Cr)马氏体不锈钢由非自耗真空电弧炉冶炼

在铸模加入0～0.18％的Ce。用光学和扫描电镜(SEM)、X-射线能谱仪观察和分析钢中夹杂物形貌和成分。结果表明

未加稀土元素Ce时

钢中夹杂物尺寸为19.33μm的不规则MnS、Cr

和FeS复合夹杂物;加入0.14％Ce

钢中夹杂物为近似椭球状稀土夹杂物

尺寸18.64μm;复合夹杂物内部为稀土硫化物

外部为稀土硅酸盐;加入0.16％～0.18％Ce时

钢中夹杂物为椭球或球形稀土硅酸盐

尺寸为7.69～8.15μm。

Abstract

Martensite stainless steel 2Cr13(0. 19C

12.88Cr)was melted by a vacuum non-consumable arc fumace and 0~0. 18% Ce was added in casting ingot.The morphology and ingredient of inclusion in steel was observed and analyzed by using optical and scanning electron microscope and X-ray energy dispersive spectrometer.Results showed that with no-adding rare-earth element Ce the inclusion in steel was irregular MnS

and FeS compound inclusion with dimension 19.33 μm

with added 0. 14% Ce the inclusion in steel was compound rare-earth(RE)inclusion(inner RE sulphide and outside RE silicate)approximated ellipsoid with dimension 18.64 μm and with added 0. 16%～0. 18% Ce the inclu sion in steel was ellipsoid or spheroid RE silicate with dimension7.69~8.15 μm.

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