罐车用5083铝合金大扁锭通裂缺陷的影响因素及控制措施  

Influential Factors and Control Measures of Side to Side Crack Defect of 5083 Aluminium Alloy Slab for Tanker

作　　者：刘民章 张志超[1] 梁鲁清[1] 

机构地区：[1]青海桥头铝电股份有限公司技术中心,西宁810100

出　　处：《有色冶金节能》2016年第5期14-19,共6页Energy Saving of Nonferrous Metallurgy

基　　金：青海省2016年重点研究与转化计划项目;项目编号:2016-GX-C3

摘　　要：介绍了铝合金罐车的优点、5083铝合金扁锭的主要用途和用电解铝液生产5083铝合金大扁锭的生产工艺流程。分析了影响大规格5083铝合金扁锭产生通裂缺陷的主要因素是5083合金特性、冷却强度、移动热节、表面夹杂和钠钙含量,提出了解决5083铝合金扁锭通裂缺陷的相应措施。The advantages of aluminium alloy tanker,the main uses of 5083 aluminium alloy slab and the process flow of large size 5083 aluminium alloy slab production with electrolytic aluminium liquid are introduced in the paper. The main factors which impact side to side crack defect of large size 5083 aluminium alloy slab are analyzed, including 5083 alloy properties, cooling intensity, movable hot spot, surface inclusions , sodium ＆ calcium content. At last,some measures are put forward to solve the side to side crack defect of 5083 aluminium alloy slab.

关 键 词：电解铝液 5083铝合金 大规格扁锭 生产工艺 通裂缺陷 控制措施 

分 类 号：TG292[金属学及工艺—铸造]