7A04合金φ360/130mm规格空心锭熔体净化工艺研究  

Study on Purifying Process for 7A04 Alloy Melt of φ360/130mm Hollow Ingot

作　　者：黄岩超[1] 殷云霞[1] 迟福全[1] 李海仙[1] 李欣斌[1] 贾宁[1] 

机构地区：[1]东北轻合金有限责任公司,哈尔滨150060

出　　处：《铝加工》2015年第5期40-43,共4页Aluminium Fabrication

摘　　要：从提高7A04合金φ360/130mm规格空心锭熔体质量出发,通过铸造时在线采取在线除气+双级30+50ppi陶瓷片过滤及单级40ppi陶瓷片过滤净化熔体的两种方式进行对比,从中选取最优化的熔体净化方式,取得了良好的效果。The optimized purifying process for 7A04 alloy meh of φ360/130mm hollow ingot was selected by comparing two purification modes of online degassing＋ double 30＋50ppi ceramic filter and single-stage ceramic filter, and the results were satisfactory.

关 键 词：过滤 除气 空心锭 净化工艺 

分 类 号：TG292[金属学及工艺—铸造]