大规格高性能2219铝合金圆锭铸造工艺研究  

Research on the casting technology of 2219 Al-alloy billets with large sizes and high performance

作　　者：张航[1] 唐露华[1] 何克准[1] 李承波[1] ZHANG Hang TANG Lu-hua HE Ke-zhun LI Cheng-bo(Guangxi Alnan Aluminum Inc., Nanning 530031, China)

机构地区：[1]广西南南铝加工有限公司,广西南宁530031

出　　处：《轻合金加工技术》2016年第12期8-14,共7页Light Alloy Fabrication Technology

基　　金：国家国际科技合作专项项目(项目编号2014DFA50210)

摘　　要：在工业化生产中熔炼铸造大规格2219铝合金圆锭存在许多技术难点。通过恰当地选择原料及采用高效除气、除渣技术,有效地防止了铸锭裂纹、内部疏松、粗大晶粒等缺陷,获得组织较为均匀、性能良好的大规格2219铝合金圆锭。Many technological difficulties exist in the melting and casting process of large- sized 2219 Al-alloy billets. The industry practice shows that large-sized 2219 Al-alloy billets with high performance and uniform structure, which are free of crack, porosity and grains of large sizes, can be produced through proper raw material selection and efficient degassing and refining technology.

关 键 词：2219铝合金 大规格铸锭 熔铸 

分 类 号：TG292[金属学及工艺—铸造]