7A04铝合金棒材尾端金属夹杂缺陷分析  

Defects analysis of metal inclusions in tail of 7A04 alloy rod

作　　者：周春华[1] 郑居正[1] 黄桂梅[1] 

机构地区：[1]东北轻合金有限责任公司,黑龙江哈尔滨150060

出　　处：《轻合金加工技术》2008年第8期33-34,49,共3页Light Alloy Fabrication Technology

摘　　要：在7A04(LC4)铝合金反挤压Φ230 mm棒材低倍试片上,有近似圆棒状的金属夹杂物,经试验分析得知该夹杂物成分是纯铝,其存在状态属于机械镶嵌。In the low-power test block of the indirect-extruded rod of 7A04（LC4） alloy φ230 mm, there were the metal inclusions like pole in shape. After analysis of the test, it has been known that the inclusions are pure aluminum, of which the existing condition belongs to the mechanical setting.

关 键 词：7A04铝合金 金属夹杂物 铸造组织 

分 类 号：TG146.21[一般工业技术—材料科学与工程]