连铸连轧高强高导铝合金圆杆质量控制措施研究  

Research of Quality Control Measures of High Strength and High Conductivity Aluminium Alloy Round Rod Produced by Continuous Casting and Rolling Process

作　　者：雷文魁 王振 李焕婷 翟元辉 李智棣 LEI Wenkui;WANG Zhen;LI Huanting;ZHAI Yuanhui;LI Zhidi(Guangdong Lingsheng New Materials Technology Co.,Ltd.,Foshan 528137;Guangdong Zhonglian Cable Group Co.,Ltd.,Foshan 528241,China)

机构地区：[1]广东领胜新材料科技有限公司,广东佛山528137 [2]广东中联电缆集团有限公司,广东佛山528241

出　　处：《铝加工》2024年第4期44-48,共5页Aluminium Fabrication

摘　　要：良好的连铸连轧铝合金圆杆质量是获得高强度、高导电率铝合金导线的关键。从铝合金的成分设计、铝合金熔液的净化处理和铝合金圆杆的连铸连轧工艺3个方面,介绍了连铸连轧高强高导铝合金圆杆的质量控制措施。结果表明:铝合金圆杆的成分设计上要保证Si含量过剩,并严格控制杂质元素的含量。必须重视铝合金熔液的净化处理,通过提高铝合金熔液的纯净度,消除氢气孔和夹杂物的危害,提高铝合金圆杆的力学性能和导电性能。高强高导铝合金圆杆的连铸连轧工艺如下:铝合金熔液温度为700~730℃,结晶轮线速度为10~15 m/min,冷却水温度不高于40℃,水压为0.2~0.3 MPa,初轧温度为470~510℃,终轧温度为520~550℃。The good quality of aluminium alloy round rod produced by continuous casting and rolling process is the key to obtain the aluminium alloy wires with high strength and high conductivity.The quality control measures of high strength and high conductivity aluminum alloy round rods produced by continuous casting and rolling process were introduced from three aspects:composition of alu⁃minium alloy round rod,purification of aluminium alloy liquid and continuous casting and rolling process.The results show that in the composition design of aluminium alloy rod,the excess Si content should be ensured and the content of impurity elements should be strictly controlled.It is necessary to pay attention to the purification treatment of aluminium alloy liquid.By improving the purity of al⁃uminium alloy lquid,eliminating the harm of hydrogen pores and inclusions,the mechanical properties and conductive properties of al⁃uminium alloy round rod is improved.The continuous casting and rolling process of high strength and high conductivity aluminium al⁃loy round rod is that the temperature of aluminium alloy liquid is 700~730℃,the speed of crystal wheel is 10~15 m/min,the tem⁃perature of cooling water is not higher than 40℃,the water pressure is 0.2~0.3 MPa,the initial rolling temperature is 470~510℃and the final rolling temperature is 520~550℃.

关 键 词：铝合金圆杆 连铸连轧 净化处理 质量控制 

分 类 号：TG146.21[一般工业技术—材料科学与工程] TG292[金属学及工艺—金属材料]