Effect of alloy addition on inclusion evolution in stainless steels

被引：26
作者：
Yin, X. [1 ]
Sun, Y. [1 ]
Yang, Y. [2 ]
Deng, X. [3 ]
Barati, M. [2 ]
McLean, A. [2 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Met & Ecol Engn, 30 Xueyuan Rd, Beijing 100083, Peoples R China
[2] Univ Toronto, Dept Mat Sci & Engn, 184 Coll St, Toronto, ON M5S 3E4, Canada
[3] Shougang Res Inst Technol, 69 Yangzhuang St, Beijing 100043, Peoples R China
来源：
IRONMAKING & STEELMAKING | 2017年 / 44卷 / 02期
基金：
中国国家自然科学基金; 加拿大自然科学与工程研究理事会;
关键词：
Deoxidiser; Inclusion evolution; Electrolytic extraction; Three-dimensional investigations; CARBON MICROALLOYED STEELS; SI/MN DEOXIDIZED STEEL; TI-V-N; PRECIPITATION BEHAVIOR; FRACTURE-TOUGHNESS; MNS PRECIPITATION; BRITTLE-FRACTURE; FORGING STEELS; BEARING STEEL; PART I;
D O I：
10.1080/03019233.2016.1185285
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The number, morphology, size and composition of inclusions after deoxidation and alloying in Ti-stabilised stainless steel were investigated. This was carried out by electrolytic extraction of inclusions from steel matrix, followed by microscopic examination. It was found that after the addition of ferrosilicon and manganese, and later aluminium, the composition of inclusions changed from manganese silicate-rich inclusions to alumina-rich inclusions. After tapping and titanium wire feeding, three types of TiN inclusion morphologies were observed, single, twinned and clusters. Both the turbulence and Stokes' collision mechanisms play a considerable role in the formation of TiN clusters.
引用
收藏
页码：152 / 158
页数：7
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