Effects of Yb and Er on the Mechanical and Electrical Properties of 8030 Conductive Alloys

Chen Xuejiao; Wei Ruiqi; Wang Yu; Cai Bin

doi:10.15980/j.tzzz.2017.09.027

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Effects of Yb and Er on the Mechanical and Electrical Properties of 8030 Conductive Alloys
Vol. 37, Issue 9, Pages: 1030-1033(2017)
Published： 2017 ，
DOI： 10.15980/j.tzzz.2017.09.027

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[1]陈雪姣,魏瑞启,王裕,蔡彬.Yb、Er对8030导电铝合金力学和导电性能的影响[J].特种铸造及有色合金,2017,37(09):1030-1033.

Chen Xuejiao, Wei Ruiqi, Wang Yu, et al. Effects of Yb and Er on the Mechanical and Electrical Properties of 8030 Conductive Alloys. [J]. Special Casting & Nonferrous Alloys 37(9):1030-1033(2017)
[1]陈雪姣,魏瑞启,王裕,蔡彬.Yb、Er对8030导电铝合金力学和导电性能的影响[J].特种铸造及有色合金,2017,37(09):1030-1033. DOI： 10.15980/j.tzzz.2017.09.027.

Chen Xuejiao, Wei Ruiqi, Wang Yu, et al. Effects of Yb and Er on the Mechanical and Electrical Properties of 8030 Conductive Alloys. [J]. Special Casting & Nonferrous Alloys 37(9):1030-1033(2017) DOI： 10.15980/j.tzzz.2017.09.027.

摘要

研究了Yb、Er对8030导电合金力学性能、导电性能及高温蠕变性能的影响

并对不同性能的Fe、Cu、Yb和Er含量进行了优化。发现合金元素含量越高

合金室温力学性能越好

导电性能越差。但过高的Fe、Cu含量对高温抗蠕变能力不利

而Yb、Er添加能适当改善合金的高温抗蠕变能力。在热挤+热轧+冷轧后经180℃×1h时效处理

合金的抗拉强度（159

77 MPa）和20℃时的电导率（34.86

5.84 MS/m）均满足IEC62004标准要求

且Al-0.55Fe-0.15Cu-0.05Yb-0.10Er合金兼具最优的室温力学、高温抗蠕变和导电性能。

Abstract

The effects of Yb and Er addition on the mechanical properties

electrical conductivity and high temperature creep properties of 8030 conductive alloys were investigated by tensile testing.The content of Fe

Yb and Er was optimized.It is found that ambient-temperature mechanical properties are improved

while electrical conductivity is decreased with increasing in alloying elements.However

the excessive amount of Fe and Cu is deteriorated to the high temperature creep resistance performance

while the Yb and Er addition can improve the high temperature creep resistance of the alloy.After hot extrusion+hot rolling+cold rolling+ageing at 180℃for 1h

the tensile strength（159

77MPa）at ambient temperature and electrical conductivity at 20 ℃（34.86

5.84 MS/m）of all alloys can meet the requirements of the AT1 alloy standard specified in the IEC62004.The experimental results show that the Al-0.55Fe-0.15Cu-0.05Yb-0.10 Er alloy has the optimum ambient-temperature mechanical properties

high temperature creep resistance and electrical conductivity.