An Experimental Study on Aluminium Deoxidation and Calcium Treatment of Ultra-Gean Ferritic Stainless Steel Containing Titanium

顾磊明; 陈兆平; 徐迎铁; 疏达

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An Experimental Study on Aluminium Deoxidation and Calcium Treatment of Ultra-Gean Ferritic Stainless Steel Containing Titanium

更新时间：2026-01-21

- An Experimental Study on Aluminium Deoxidation and Calcium Treatment of Ultra-Gean Ferritic Stainless Steel Containing Titanium
- Special Steel Vol. 32, Issue 1, Pages: 48-51(2011)
- 作者机构：
  
  1. 上海交通大学金属基复合材料国家重点实验室,上海,200240
  2. 宝山钢铁股份有限公司研究院,上海,201900
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：25 October 2010，
  
  Online First：27 September 2022，
  
  Published：27 September 2011
- 稿件说明：
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顾磊明, 陈兆平, 徐迎铁, et al. An Experimental Study on Aluminium Deoxidation and Calcium Treatment of Ultra-Gean Ferritic Stainless Steel Containing Titanium[J]. Special Steel, 2011, 32(1): 48-51.
DOI：

顾磊明, 陈兆平, 徐迎铁, et al. An Experimental Study on Aluminium Deoxidation and Calcium Treatment of Ultra-Gean Ferritic Stainless Steel Containing Titanium[J]. Special Steel, 2011, 32(1): 48-51. DOI：

摘要

通过500kg真空感应炉对0.007%～0.015%C-15.96%～16.94%Cr-0.08%～0.36%Ti-0.015%～0.124%Al铁素体不锈钢的铝脱氧和钙处理实验

以及相应的热力学计算

对Al、Ti竞争氧化及夹杂物改性进行了研究。结果表明

当[Ti

]

/[Al

]

低于2.50时

氧化物夹杂主要为Al

随[Ti

]

/[Al

]

的增加

钢中的主要夹杂由Al

向MgO-Al

-TiO

及Al

-TiO

转变

夹杂物平均尺寸逐步减小;钙处理后随[Ca

]

/[Al

]

(0.01～0.08)的升高

钢中含钙复合夹杂的数量比例增加;包裹形复合夹杂的中心为氧化物

周边为TiN或Ti(CN)。

Abstract

Competitive oxidation of Al and Ti and the modification of inclusions in steel have been studied by aluminium deoxidation and calcium treatment test of 0. 007% -0. 015%C- 15.96% ~ 16. 94% Cr- 0. 08% ~0. 36%Ti- 0. 015% ~ 0.124% Al ferrite stainless steel liquid in a 500 kg vacuum induction furnace and relative thermadynamics calculation. Results show that as [Ti

]

/[Al

]

is less than 2. 50

the main oxide inclusions are A1

with increasing [Ti

]

/[Al

]

the main inclusions in steel change to MgO-Al

-TiO

and A1

-TiO

from Al

and the average dimension of inclusions gradually decreases； after calcium treatment with incre

asing [Ca

]

/[Al

]

(0. 01 -0. 08)

the amount of compound inclusions containing calcium in steel increases; the compound inclusion consists of oxide core and TiN or Ti(CN) periphery.

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