电磁场对1100铝合金铸轧板材组织的影响

发布时间：2018-11-26 07:34

【摘要】：研究了1100铝合金中添加不同质量分数(0.4%,0.2%,0.1%)的Al-Ti-B细化剂和在铸轧过程中施加电磁振荡场对铸轧板坯组织细化的影响.结果发现,在添加相同含量的Al-Ti-B条件下,铸轧过程中施加电磁振荡场的板坯组织细化效果明显高于普通铸轧的板坯.同时发现,细化剂的质量分数在0.1%~0.4%范围内,在铸轧过程中施加电磁振荡场,其细化效果都比较满意,其显微组织优于常规铸轧添加0.4%细化剂的组织,因此,电磁振荡铸轧可以大幅度降低细化剂的用量,减少元素偏析,改善铸轧坯的内部质量.
[Abstract]:The effect of adding 0.1% Al-Ti-B refiner with different mass fraction in 1100 aluminum alloy and electromagnetic oscillation field during casting and rolling on the microstructure refinement of slab casting was studied. The results show that the microstructure refinement effect of the slab subjected to electromagnetic oscillation field in the process of casting is higher than that of the ordinary slab casting under the condition of adding the same content of Al-Ti-B. At the same time, it is found that when the mass fraction of the refiner is 0.1% and the electromagnetic oscillation field is applied in the process of casting and rolling, the refining effect is satisfactory, and its microstructure is better than that of the conventional casting rolling with 0.4% fining agent. Therefore, electromagnetic oscillation casting can greatly reduce the amount of refiner, reduce element segregation, and improve the internal quality of casting and rolling billet.
【作者单位】：东北大学材料电磁过程研究教育部重点实验室;
【基金】：广东省产学研项目(2013B090600015,2013B090200008)
【分类号】：TG146.21;TG335.9

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