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Effect of Magnesium on Evolution of Oxide and Sulphide in Liquid Iron at 1873 K
Alternative TitleEffect of Magnesium on Evolution of Oxide and Sulphide in Liquid Iron at 1873K
Zhang Tongsheng; Wang Deyong; Jiang Maofa
2014
Source PublicationJOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
ISSN1006-706X
Volume21Issue:12Pages:1073-1080
AbstractTo reveal the effects of magnesium on the evolution of oxide and sulphide inclusions in liquid iron, both thermodynamic calculations and deoxidization experiments were carried out. The samples extracted from the liquid iron were polished and analyzed by optical microscopy and scanning electron microscopy. The results showed that magnesium could modify oxide and sulphide inclusions simultaneously. Spherical MgO and irregular spinel inclusions were observed in the samples. The elongated MnS inclusions were replaced by small MgO center dot MgS or MgO center dot MgS center dot MnS complex inclusions, and the sulphides were distributed dispersively. The evolution mechanisms of inclusions were discussed comprehensively, and a proposed model for the formation of oxysulphide was set up.
Other AbstractTo reveal the effects of magnesium on the evolution of oxide and sulphide inclusions in liquid iron,both thermodynamic calculations and deoxidization experiments were carried out.The samples extracted from the liquid iron were polished and analyzed by optical microscopy and scanning electron microscopy.The results showed that magnesium could modify oxide and sulphide inclusions simultaneously.Spherical MgO and irregular spinel inclusions were observed in the samples.The elongated MnS inclusions were replaced by small MgO·MgS or MgO·MgS·MnS complex inclusions,and the sulphides were distributed dispersively.The evolution mechanisms of inclusions were discussed comprehensively,and a proposed model for the formation of oxysulphide was set up.
KeywordPARTICLE-SIZE DISTRIBUTION DEOXIDATION EQUILIBRIUM NONMETALLIC INCLUSION FE-10MASS-PERCENT-NI ALLOY STAINLESS-STEEL AL DEOXIDATION MOLTEN STEEL MG THERMODYNAMICS SPINEL magnesium inclusion oxysulphide thermodynamics liquid iron
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China] ; [Fundamental Research Funds for the Central Universities of China]
CSCD IDCSCD:5331627
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/144494
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhang Tongsheng,Wang Deyong,Jiang Maofa. Effect of Magnesium on Evolution of Oxide and Sulphide in Liquid Iron at 1873 K[J]. JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,2014,21(12):1073-1080.
APA Zhang Tongsheng,Wang Deyong,&Jiang Maofa.(2014).Effect of Magnesium on Evolution of Oxide and Sulphide in Liquid Iron at 1873 K.JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,21(12),1073-1080.
MLA Zhang Tongsheng,et al."Effect of Magnesium on Evolution of Oxide and Sulphide in Liquid Iron at 1873 K".JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL 21.12(2014):1073-1080.
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