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在实验室规模上研究了钢中稀土氟化物复合添加剂处理工艺、作用机理及影响因素,提出添加剂在钢中作用的主要途径及最佳配比为:REF_3 42％;CaO 33％;SiCa 25％。REF_3加入量为0.5％～0.6％。
In the laboratory scale, the treatment process, mechanism and influencing factors of rare earth fluoride compound additives in steel were studied. The main ways and the best proportion of additives in steel were proposed: REF_3 42%; CaO 33%; SiCa 25% . REF_3 added in an amount of 0.5% to 0.6%.