Structure and Properties of 6063 Aluminum Alloys Produced with Grain-refining Aluminum Ingots

Zuo Xiurong 1 Zhong Zhiguo 1 Li Lixiang 1 Song Tianfu 1 Weng Yonggang 1 Fang Changtao 2

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Structure and Properties of 6063 Aluminum Alloys Produced with Grain-refining Aluminum Ingots
Issue 10, (2005)
Published： 2005 ，
DOI：

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[1]左秀荣,仲志国,李立祥,宋天福,翁永刚,方昌涛.细晶铝锭熔炼的6063铝合金组织与性能研究[J].特种铸造及有色合金,2005(10):18-20+4.

Zuo Xiurong 1 Zhong Zhiguo 1 Li Lixiang 1 Song Tianfu 1 Weng Yonggang 1 Fang Changtao 2. Structure and Properties of 6063 Aluminum Alloys Produced with Grain-refining Aluminum Ingots. [J]. Special Casting & Nonferrous Alloys (10).(2005)
[1]左秀荣,仲志国,李立祥,宋天福,翁永刚,方昌涛.细晶铝锭熔炼的6063铝合金组织与性能研究[J].特种铸造及有色合金,2005(10):18-20+4. DOI：

Zuo Xiurong 1 Zhong Zhiguo 1 Li Lixiang 1 Song Tianfu 1 Weng Yonggang 1 Fang Changtao 2. Structure and Properties of 6063 Aluminum Alloys Produced with Grain-refining Aluminum Ingots. [J]. Special Casting & Nonferrous Alloys (10).(2005) DOI：

摘要

细晶铝锭是采用纯铝的电解设备

通过向铝电解槽中添加TiO2

直接电解生产的晶粒细化的铝锭。采用细晶铝锭熔炼6063铝合金

并对其组织性能进行研究

结果表明:细晶铝锭熔炼6063铝合金

由于其电解加钛方式

生产成本低廉;细晶铝锭熔炼的6063铝合金型材

晶粒细小均匀

表面性能及力学性能完全满足GB/T5237的要求;细晶铝锭、RE（富铈混合稀土）元素联合细化

细晶铝锭、RE、B元素联合细化熔炼的6063铝合金

抗拉强度与添加Al-5Ti-1B熔炼的6063铝合金相当

而伸长率提高20%

并可获得更优异的表面性能。

Abstract

Grain-refining aluminum ingots with Ti contents lower than 0.2% were produced by direct electrolysis

in which TiO

was added into electrolytic pool for pure aluminum.The structure and properties of 6063 alloy produced with the grain-refining aluminum ingot were investigated.The results show that 6063 aluminum alloy with Ti addition by electrolyte has the advantages of low cost.The 6063 aluminum profile produced with grain-refining aluminum ingots whose surface performance and mechanical properties can fully meet the requirements of GB/T 5237 have fine and uniform grain.The tensile strength of 6063 aluminum alloy refined by both grain-refining aluminum ingot -RE and grain-refining aluminum ingot-Re-B is equivalent to that of the 6063 alloy refined by Al-5Ti-B master alloy while increased by 20% in elongation

meanwhile

it has the better surface performance.