￠605mm 2A12铝合金圆铸锭的热顶铸造工艺及避免疏松缺陷的措施  

Hot top casting technology of 2A12 aluminum alloy round ingot with a diameter of 605mm and the solution for porosity defect

作　　者：朱煜[1] 刘民章 

机构地区：[1]青海省科学技术信息研究所,青海西宁810000 [2]青海桥头铝电股份有限公司,青海西宁810100

出　　处：《轻金属》2017年第12期43-47,共5页Light Metals

摘　　要：研究了￠605mm 2A12铝合金圆铸锭的热顶铸造工艺,分析了大规格2A12铝合金圆铸锭产生疏松缺陷的原因,提出了避免疏松缺陷的技术措施,通过技术措施的实施,获得了疏松程度符合后续压力加工要求的高品质的大规格2A12铝合金圆铸锭。The hot top casting technology of 2A12 aluminum alloy round ingot with a diameter of 605 mm was studied,and the reasons for porosity defect in large-size 2A12 aluminum alloy round ingot was analyzed,then some measures for solving porosity defect in large-size 2A12 aluminum alloy round ingot was put forward. At last,the high quality and large-size 2A12 aluminum alloy round ingot that the porousness can meet subsequent processing requirement was obtained by implementing the measures.

关 键 词：2A12铝合金 大规格圆铸锭 热顶铸造 疏松缺陷 技术措施 

分 类 号：TG292[金属学及工艺—铸造]