特殊钢
特殊鋼
특수강
SPECIAL STEEL
2014年
3期
42-44
,共3页
郭军儒%刘建华%庄昌凌%张庆雷%雷冲%张凯亮
郭軍儒%劉建華%莊昌凌%張慶雷%雷遲%張凱亮
곽군유%류건화%장창릉%장경뢰%뢰충%장개량
孪晶诱发塑性钢%电渣重熔%热平衡计算%冶金质量
孿晶誘髮塑性鋼%電渣重鎔%熱平衡計算%冶金質量
련정유발소성강%전사중용%열평형계산%야금질량
根据TWIP钢裂纹敏感性强和高洁净度要求,通过分析和计算,采用65CaF2-25 Al2O3-10CaO渣,AOD精炼的2根0.6m直径7.3t电极(/％:0.03C,2.75Si,25.13Mn,0.019P,0.002S,2.50Al),重熔14 t TWIP钢电渣锭(/％:0.03C,2.88Si,24.71Mn,0.021P,0.007S,2.98Al).检验结果表明,重熔后钢中夹杂物平均尺寸减少36.4％,夹杂物总量降低46.7％;电渣时应采用氩气保护以减少钢中Al、Mn的烧损.
根據TWIP鋼裂紋敏感性彊和高潔淨度要求,通過分析和計算,採用65CaF2-25 Al2O3-10CaO渣,AOD精煉的2根0.6m直徑7.3t電極(/％:0.03C,2.75Si,25.13Mn,0.019P,0.002S,2.50Al),重鎔14 t TWIP鋼電渣錠(/％:0.03C,2.88Si,24.71Mn,0.021P,0.007S,2.98Al).檢驗結果錶明,重鎔後鋼中夾雜物平均呎吋減少36.4％,夾雜物總量降低46.7％;電渣時應採用氬氣保護以減少鋼中Al、Mn的燒損.
근거TWIP강렬문민감성강화고길정도요구,통과분석화계산,채용65CaF2-25 Al2O3-10CaO사,AOD정련적2근0.6m직경7.3t전겁(/％:0.03C,2.75Si,25.13Mn,0.019P,0.002S,2.50Al),중용14 t TWIP강전사정(/％:0.03C,2.88Si,24.71Mn,0.021P,0.007S,2.98Al).검험결과표명,중용후강중협잡물평균척촌감소36.4％,협잡물총량강저46.7％;전사시응채용아기보호이감소강중Al、Mn적소손.
