5456铝合金挤压型材生产工艺研究  

Extrusion technology research on properties of 5456 aluminum alloy profile

作　　者：刘科研[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》2011年第9期49-52,共4页Light Alloy Fabrication Technology

摘　　要：5456铝合金是在A l-Mg系合金基础上,添加适量的Mn、Cr、Ti和Be元素,并严格控制Fe+S i杂质含量而发展的一种新的铝合金,它类似于5A05铝合金。通过试验,研究合金成分、挤压温度、挤压系数、拉伸率等因素对5456铝合金挤压型材组织和性能的影响规律,确定出该合金合理的挤压生产工艺参数,生产出了满足用户要求性能的产品。The new 5456 aluminum alloy is developed at the base of a non-heat-treat strengthening Al-Mg alloy with a proper content of Mn,Cr,Ti and Be.The impurity of Fe ＋ Si in the new alloy has been controlled strictly.It is similar to 5A05 aluminum alloy.The effect of chemical composition,extrusion temperature,extrusion coefficient and stretching rate on microstructure and mechanical properties of 5456 aluminum alloy have been investigated.Finally the reasonable extrusion production technology has been settled,which can make the product meet the mechanical property requirements of customers.

关 键 词：5456铝合金 性能 MN含量 Mg含量 挤压工艺参数 

分 类 号：TG379[金属学及工艺—金属压力加工]