Effect of Magnesium on Evolution of Oxide and Sulphide in Liquid Iron at 1 873 K
To 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 micro...
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| Published in | 钢铁研究学报：英文版 Vol. 21; no. 12; pp. 1073 - 1080 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
2014
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| Subjects | |
| Online Access | Get full text |
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| Abstract | To 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 magne sium 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. |
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| AbstractList | To 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 magne sium 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. |
| Author | Tong-sheng ZHANG De-yong WANG Mao-fa JIANG |
| AuthorAffiliation | Institute of Ferrous Metallurgy, Northeastern University, Shenyang 110819, Liaoning, China |
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| DocumentTitleAlternate | Effect of Magnesium on Evolution of Oxide and Sulphide in Liquid Iron at 1 873 K |
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| Notes | magnesium; inclusion; oxysulphide; thermodynamics; liquid iron 11-3678/TF To 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 magne sium 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. |
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| PublicationTitle | 钢铁研究学报：英文版 |
| PublicationTitleAlternate | Journal of Iron and Steel Research |
| PublicationYear | 2014 |
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| Snippet | To reveal the effects of magnesium on the evolution of oxide and sulphide inclusions in liquid iron, both thermodynamic calculations and deoxidization... |
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| SubjectTerms | 复合夹杂物 扫描电子显微镜分析 氧化物 氧化镁 液态铁 演变 热力学计算 硫化物夹杂 |
| Title | Effect of Magnesium on Evolution of Oxide and Sulphide in Liquid Iron at 1 873 K |
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