硬線鋼Al2O3-SiO2-MgO-CaO-MnO系夾雜物低熔點區域控制

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硬線鋼Al₂O₃-SiO₂-MgO-CaO-MnO系夾雜物低熔點區域控制

基金項目:

北京市教育委員會共建項目專項資助

國家自然科學基金資助項目(No.50874007)

1. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China;
2. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China;
3. Key Lab of the Ministry of Education of China for Ecologic & Recycle Metallurgy, University of Science and Technology Beijing, Beijing 100083, China

摘要: 對某廠生產的高碳硬線盤條中的夾雜物成分進行了統計分析,并通過熱力學計算軟件FactSage計算分析了Al-Si-Mn復合脫氧條件下高碳硬線盤條中Al₂O₃-SiO₂-MgO-CaO-MnO五元系夾雜物低熔點區域的控制范圍.在五元系低熔點區域內Al₂O₃的質量分數可達56%,CaO的質量分數為20%~30%.
- 低熔點夾雜物 /
- 高碳硬線鋼 /
- 熱力學計算
Abstract: A statistical analysis on the compositions of inclusions in high carbon wire rod produced by one steel company was conducted. And the compositions of low melting point inclusions of Al₂O₃-SiO₂-MgO-CaO-MnO system in a high carbon wire rod steel with Al-Si-Mn deoxidization were calculated and analyzed by the thermodynamic software FactSage. In the low melting point zone of the Al₂O₃-SiO₂-MgO-CaO-MnO system for a high carbon wire rod steel, the Al₂O₃ content should reach 56%, and CaO 20%~30%.
- low melting point inclusion /
- high carbon wire rod steel /
- thermodynamic calculation