汽车用高性能3004铝合金板材生产工艺研究  

Study on production technology of high performance 3004 aluminum alloy sheet used for automobile

作　　者：牛占先[1] 王强[1] 徐宏大[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》2010年第12期27-32,共6页Light Alloy Fabrication Technology

摘　　要：对汽车用3004铝合金板材的生产工艺进行了研究,通过控制合金化学成分,试验研究冷轧工艺路线、退火温度对3004铝合金板材组织与性能的影响,确定了对热卷采用多道次冷轧至成品厚度板材的工艺路线,成品退火制度为340℃(11+1)h。生产出的0.4 mm厚度板材抗拉强度为180 N/mm2～185 N/mm2,伸长率为19.1%～20%,均超过标准规定值及用户的要求值,深冲性能良好,满足汽车用材的要求。The production process of 3004 aluminum alloy sheet used for automobile has been studied.The chemical composition of the alloy has been adjusted.The cold rolling processes have been investigated.The effect of annealing temperature on the construction and property of alloy 3004 has been analyzed.Finally,the production process and annealing system were determined and the excellent 3004 alloy sheet has been produced.The high performance of the sheet can satisfy the requirement of the automobile industry.

关 键 词：3004铝合金板材 再结晶 力学性能 

分 类 号：TG339[金属学及工艺—金属压力加工] TG166.3[一般工业技术—材料科学与工程] U465.22[机械工程—车辆工程]