锆、铜及均匀化处理对高导耐热铝合金电工圆杆性能的影响?

功能材料, 2016, 47(11): 11168-11172. doi: 10.3969/j.issn.1001-9731.2016.11.033

锆、铜及均匀化处理对高导耐热铝合金电工圆杆性能的影响?

巩向鹏 ^1, , 张晓燕 ^2, , 黄鑫 ^3, , 张俊杰 ^4, , 林廷艺 ^5,

1.贵州大学材料与冶金学院,贵阳,550025

2.贵州大学材料与冶金学院,贵阳,550025

3.贵州大学材料与冶金学院,贵阳,550025

4.贵州大学材料与冶金学院,贵阳,550025

5.贵州大学材料与冶金学院,贵阳,550025

基金项目: 贵州省工业攻关资助项目(2012-3043) 国家级大学生创新实验资助项目(贵大国创字2013016号)

关键词：锆 , 铜 , 高导耐热铝合金电工圆杆 , 抗拉强度 , 导电率 , 强度残存率

Effects of zirconium,copper and homogenization treatment on properties of thermal-resistant aluminum alloy electrical rod with high conductivity

Keywords： zirconium,copper , the thermal-resistant aluminum alloy electrical rod with high conductivity , tensile strength , conductivity , tensile strength remnant ratio ,

通过扫描电镜、X射线物相分析等方法,研究了 Zr、Cu 元素及均匀化工艺对高导耐热铝合金电工圆杆组织及性能的影响.结果表明,通过“添加Zr (0．10％)Cu(0．08％)＋300℃×16 h 均匀化＋83％轧制”处理后,试样综合性能较优,试样导电率为59．5％IACS,抗拉强度达到149 MPa,230℃保温1 h,强度残存率为94．3％.

The effects of Zr,Cu and homogenization treatment on microstructures and properties of thermal-re-sistant aluminum alloy electrical rod with high conductivity were investigated by scanning electron microscope, X-ray diffraction analysis and other methods.The results show that:The specimen has good comprehensive properties after treatment of"adding Zr(0.10%)Cu(0.08%)+ 300 ℃×16 h homogenization treatment +83%rolling",the conductivity of specimen is 59.5%IACS,tensile strength reachs 149 MPa and the tensile strength remnant ratio is 94.3% after 230 ℃×1 h heat preservation.

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